· web viewquiz 1 multiple gfci devices are _____ for use with drinking water coolers....

2017 NEC Update Part 2RV 10.19.17

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Quiz 11. Multiple GFCI devices are ______ for use

with drinking water coolers. required highly recommended permitted not permitted none of the answers provided

2. The ground-fault circuit-interrupter in an appliance must be readily accessible, listed and ______.

must be an integral part of the attachment plug

is required to be factory installed within the appliance

may not be located within the supply cord may be located within the branch circuit

overcurrent device none of the answers provided

3. The outlet receptacle for a cord-and-plug connected built-in dishwasher ______.

must be located in the space next to the space occupied by the dishwasher

shall be no further than 3 feet from the dishwasher

may be located in the space occupied by the dishwasher

shall be at least 24 inches from the dishwasher

must be located beneath the adjacent sink

4. The length of cord for a cord-and-plug connected range hood must be at least ______ and no more than ______.

12 inches – 36 inches 1.5 feet – 3 feet 18 inches – 2.5 feet 1.5 feet – 4 feet none of the answers provided

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5. A ceiling-suspended fan may be supported by a listed outlet box system, a ______ locking support and mounting receptacle, and a compatible factory-installed attachment fitting designed for support, identified for the use and installed in accordance with 314.27(E).

suitable listed field-labeled sturdy all of the answers provided

6. Any combustible ceiling finish that is exposed between the edge of a ceiling-suspended fan canopy or pan and an outlet box, and that has a surface area of ______ shall be covered with noncombustible material.

at least 180 square inches 240 square inches or more no more than 180 square inches at least 280 square inches no less than 240 square inches

7. If an appliance is supplied by more than one branch circuit or feeder, the disconnecting means shall be ______ and identified as being the multiple disconnecting means for the appliance.

suitable labeled in red accessible only to authorized personnel grouped all of the answers provided

8. For permanently connected appliances rated at not over 300 volt-amperes or 1∕8 hp., the branch-circuit overcurrent device shall be permitted to serve as the disconnecting means______.

if pre-approved by the AHJ where the switch or circuit breaker is within

sight of the appliance if the switch or circuit breaker is suitable for

moist environments where the disconnect is within arm’s reach

from the appliance provided the appliance is labeled for such an

installation

9. For attachment fitting-connected appliances, the attachment fitting shall be ______ and

shall be suitable for disconnection of the appliance.

approved by the manufacturer labeled in red labeled for use with appliances a factory-installed part of the appliance all of the answers provided

10. Where heating equipment is supplied by more than one source, feeder, or branch circuit, the disconnecting means shall be ______.

labeled stating “This may not be the only disconnect”

grouped and identified as having multiple disconnecting means

listed and identified for use in outdoor environments

grouped together and secured with cable ties or straps

certified and field labeled

11. Electric space heating cables ______ to extend beyond the room or area in which they originate.

shall be permitted are not permitted must be listed and identified must be pre-approved none of the answers provided

12. Heating elements of cables ______ shall be separated at least 8 in. from the edge of outlet boxes and junction boxes that are to be used for mounting surface luminaires.

longer than 6 feet installed in ceilings shorter than 8 feet not covered by insulation installed in floors

13. Heating cables for same installation under floor coverings shall be ______.

permanently labeled identified as suitable recommended by the manufacturer manufactured in a flat shape pre-tested

14. Ground-fault circuit-interrupter protection for personnel for space-heating cables installed under floor coverings ______.

is not recommended shall be provided may be installed

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must be installed if the room is a wet environment

is recommended but not required

15. If electric space-heating cable installations are ______ after installation, labels shall not be required to be provided and affixed to the panelboard.

identified partially exposed functioning properly inspected and approved visible and distinguishable

16. Low-voltage fixed electric space-heating equipment shall consist of an isolating power supply, low-voltage heaters, and associated equipment that are all ______.

listed and approved for use in wet locations identified by the manufacturer as “high

efficiency” identified for use in dry locations sourced from the same vendor all of the answers provided

17. Listed low-voltage fixed electric space-heating equipment may be supplied directly from an alternate energy source such as solar photovoltaic (PV) or wind power.

Yes, provided the space-heating equipment is identified for use with alternate energy sources.

Yes, provided the source and power conversion equipment are listed and NEC compliant.

No, this is not permitted. This is not applicable as there are not

currently any fixed electric space heaters wired for this.

Yes, this is always permitted.

18. Ground-fault protection for low-voltage fixed electric space-heating equipment ______.

is not permitted is not required is required only for wet environments is highly recommended shall be required19. New NEC Article 425 covers ______. room air conditioning for personnel spaces dielectric heating equipment fixed heating equipment for pipelines duct heaters induction heating equipment

20. Single motor tap conductors from the point of the tap to the controller(s) shall be ______ long.

at least 20 feet no more than 30 feet not more than 25 feet not less than 25 feet at least 10 feet

21. The available short circuit current at a motor control center and the date the short circuit current calculation was performed shall be ______.

permanently labeled in an easily visible location

determined on the day the installation is complete

reviewed by anyone who will utilize the equipment

documented and supplied to the equipment manufacturers

documented and made available to those authorized to inspect the installation

Quiz 21. Where multimotor and combination-load

equipment is installed outdoors on a roof, ______ shall be installed in outdoor portions of metallic raceway systems that use non-threaded fittings.

conductors size 4 AWG or smaller a wire-type equipment grounding conductor a copper-clad equipment grounding

conductor all insulated conductors conductors size 8 AWG or larger

2. Motor controllers must have documentation of the ______ made available to those authorized to inspect the installation.

available short-circuit current and the date the short-circuit current calculation was performed

system schematic and the available ground-fault paths

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short-circuit current calculation and the name of the person who designed the system

available short-circuit current and the type of ground-fault protection provided

short-circuit calculation details and the date of the final inspection

3. Single-phase cord-and-plug-connected room air conditioners shall be provided with a/n ______ protection device.

LCDI AFCI HDCI all of the answers provided any of the answers provided

4. The nameplate on a generator rated more than 15 kW must include ______.

the date of manufacture whether the generator is stationary or

portable the insulation system class the generator’s intended use the maximum short-circuit current

5. Where a generator set is equipped with a listed overcurrent protective device, conductors shall be permitted to be tapped from the load side of the protected terminals.

No, this is not permitted. Yes, this is permitted. Yes, this is permitted, provided the number

of taps is no more than three. Yes, this is permitted, provided the taps are

installed in accordance with NEC 240.21(B). Yes, this is permitted, provided the taps are

no larger than 4 AWG.

6. Generators shall have one or more disconnecting means.

Yes, this is always required. No, this is not an NEC requirement. No, at least two disconnecting means are

required. Yes, but only generators that are not cord-

and-plug-connected portable. Yes, but only portable generators that are

cord-and-plug connected.

7. Generators shall have at least two means to shut down the prime mover.

Yes, this is true for all generators. Yes, but only for generators with greater

than 15 kW rating. Yes, but only for generators with less than

15 kW rating. No, this is not an NEC requirement. Yes, but only if the prime mover cannot be

mechanically reset.

8. When two or more generators are installed in parallel, the disconnecting means ______ located at the generator.

shall not be required to be is not permitted to be must be should be is best

9. Floating neutral generators with both 125-volt and 125/250-volt receptacle outlets shall have listed GFCI protection for personnel on all 125-volt, 15- and 20-ampere receptacle outlets.

No, the NEC does not require this. No, this is only true for unbonded

generators. Yes, and the GFCI must be integral to the

generator or receptacle. Yes, but the GFCI is not required to be

integral to the generator or receptacle. Yes, but only for generators manufactured

after January 1, 2015.

10. Bonded generators ______ be provided with GFCI protection on all 125-volt, 15- and 20-ampere receptacle outlets.

should shall not are not required to are not permitted to shall11. The personnel doors of transformer

vaults______. shall not open inward without preapproval

from the AHJ shall open in the direction of egress and be

equipped with listed panic hardware should be locked when not in use and

equipped with emergency lighting must be explosion-proof and lockable from

the inside shall open outward and be equipped with

oversized hardware for gloved hands

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12. Storage batteries and battery management equipment shall be listed.

Yes, the 2017 NEC requires this for all batteries and battery management equipment.

Yes, except for lithium ion batteries. No, only large battery systems with high

outputs must be listed. Yes, except for lead-acid batteries. Yes, except for batteries labeled by the

manufacturer as low risk.

13. Where mating dissimilar metals at a battery terminal, antioxidant material suitable for the battery connection ______.

shall be used only when necessary for hazardous conditions

are not permitted shall not be used unless recommended by

the battery manufacturer is permitted for use to protect against

corrosion is permitted for use in wet environments

14. Conductor connections to a battery ______ mechanical strain on the battery terminals.

may be pre-formed so as not to put are permitted to put a small amount of always put some must use terminal plates to avoid putting may put an approved amount of

15. For battery chemistries with corrosive electrolyte, the structure that supports the battery shall be resistant to deteriorating action by the electrolyte.

Yes, metal supports may be insulated from corrosive agents by coating them with paint.

Yes, this is always required. No, this is not a requirement, just a

recommendation for best practice. No, this is not required provided the battery

storage system has been field labeled. Yes, the support structure must be

nonmetallic.

16. A refrigerant machinery room that contains an ammonia refrigeration system and is equipped with adequate mechanical ventilation that operates continuously may be classified as a/an ______ location.

Class II Class I, Division 2 unclassified ignitable Class III, Division 1

17. Type HDPE conduit shall be permitted in a Class I, Division 1 location provided it is encased in a concrete envelope a minimum of ______ thick and provided with not less than ______ of cover measured from the top of the conduit to grade.

2 inches, 12 inches 1 inch, 24 inches 3 inches, 36 inches 2 inches, 20 inches 2 inches, 24 inches

18. In Class I, Division 2 locations, rigid metal conduit (RMC) and intermediate metal conduit (IMC) with listed threadless fittings are ______.

permitted recommended required not permitted not recommended

19. A conduit seal is not required for conduit entering an explosionproof enclosure containing a relay provided the enclosure is ______ and is marked “Leads Factory Sealed,” or “Factory Sealed,” “Seal not Required,” or equivalent.

field labeled identified for the location not large enough to contain a significant

quantity of flammable gas not installed in a hazardous location identified for use in a hazardous location

20. An enclosure identified for the location and marked “Leads Factory Sealed,” or “Factory Sealed,” or “Seal Not Required,” or

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equivalent ______ be considered to serve as a seal for another adjacent enclosure that is required to have a conduit seal.

could, under specific circumstances, shall may shall not might not

21. Seals for cables entering enclosures shall be installed ______ the enclosure or as required by the enclosure marking.

at least 6 inches from within 10 inches of no more than 12 inches from at least 18 inches from within 18 inches of

22. A switch intended to interrupt current that is installed in a Class I, Division 2 location is permitted to be installed in a general-purpose enclosure with a chamber marked “Factory Sealed.”

Yes, this is permitted without restriction. Yes, this is permitted provided the inspector

approves it. Yes, this is permitted provided the

interruption of current occurs within the sealed chamber.

No, this is not permitted unless the label is “Leads Factory Sealed.”

No, a general-purpose enclosure is never permitted in a Class I, Division 2 location.

23. In a Class I, Division 2 location, a motor with a sliding contact shaft bonding device used for the purpose of maintaining the rotor at ground potential ______ where the potential discharge energy is determined to be nonincendive for the application.

shall not be permitted shall be permitted may be required must be installed is highly recommended

24. Attachment plugs used in Class I, Division 2 locations shall be of the type providing for connection to the equipment grounding conductor of ______, and shall be identified for the location.

an approved reinforced cord

a suitable semi-rigid cord a permitted cord no longer than 8 feet a permitted flexible cord a listed cord no longer than 6 feet

Quiz 31. In Class I, Zone 0 locations, equipment

protected by ______ and equipment protected by ______ shall be connected using intrinsically safe “ia” circuits with wiring methods in accordance with Article 504.

Increased safety “ia” – pressurization “px” intrinsic safety “ia” – encapsulation “ma” increased safety “e” – encapsulation “mc” intrinsic safety “ia” – oil immersion “ob” intrinsic safety “ic” – encapsulation “mb”

2. Where vehicles using Class I liquids or ______ (such as LPG) are repaired, hazardous area classification guidance is found in Table 511.3(C).

liquid fuels flammable liquids lighter-than-air solid fuels lighter-than-air gaseous fuels heavier-than-air gaseous fuels

3. Where vehicles using lighter-than-air gaseous fuels (such as ______) are repaired or stored, hazardous area classification guidance is found in Table 511.3(D).

helium hydrogen and natural gas LPG diesel carbon dioxide

4. Wiring installed underground beneath the floor of a commercial garage shall be installed in threaded rigid metal conduit or intermediate metal conduit.

No, this is not permitted. Yes, this is permitted with pre-approval from

the inspector.

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Yes, but there are exceptions for some types of conduit buried under at least 2 feet of cover.

No, this is not permitted unless the conduit is buried under at least 2 feet of cover.

Yes, but PVC conduit may also be used, provided it is buried under at least 3 feet of cover.

5. Unless certain specific conditions exist, dispensing devices for LP gas must be located at least ______ from any dispensing device for Class I liquids.

8 feet 10 feet 12 feet 20 feet 50 feet

6. Dispensing devices for LP gas may be located as close as 5 feet from a dispensing device for Class I liquids.

Yes, this is always permitted. No, this is never permitted. Yes, this may be permitted provided specific

conditions exist. Yes, this may be permitted with pre-approval

from the AHJ. Yes, this is permitted provided the

dispensing devices are listed.

7. Aboveground tanks storing hydrogen shall be separated from any adjacent property line that is or can be built upon, any public way, and ______.

the nearest important building on the same property

any office building on the same property the nearest habitable building on any

adjacent property any other storage tanks containing fuel other

than hydrogen the closest public throughway

8. Type ______ conduit, Type ______ conduit, and Type ______ conduit shall be permitted to be installed beneath motor fuel dispensing facilities where buried under not less than 2 ft. of cover.

PVC – RTRC – HDPE FMC – IMC – LFMC

RTRC – PVC – EMT LFNC – EMT – PVC HDPE – PVC – IMC

9. The sealing fitting or listed ______ reducer at the seal in a conduit run entering or leaving a motor fuel dispenser shall be the first fitting after the conduit emerges from the earth or concrete.

dusttight explosionproof leak-proof waterproof flame-retardant

10. Fuel dispensing system emergency shutoff devices shall be installed in approved locations not less than ______ or more than ______ from the fuel dispensing devices that they serve.

20 feet – 80 feet 20 feet – 100 feet 10 feet – 100 feet 15 feet – 150 feet 20 feet – 200 feet

11. Emergency shutoff devices or electrical disconnects shall disconnect power to all fuel dispensing devices, to all remote pumps serving the dispensing devices, to all associated power, control, and signal circuits, and to all other electrical equipment ______ surrounding the fuel dispensing devices.

within a 50-foot radius in the clearly marked “fueling zone” within 60 feet of and in the hazardous (classified) locations in the unclassified locations

12. Resetting from an emergency shutoff condition at a motor fuel dispensing facility shall require manual intervention, and the manner of resetting shall be approved by the ______.

highest-ranking inspector authority having jurisdiction local electrical expert

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owner of the facility manufacturer of the dispensing equipment

13. At attended motor fuel dispensing facilities, the devices or disconnects shall be readily accessible to ______.

all patrons and the attendant the inspector the attendant the authority having jurisdiction patrons in their vehicles

14. A ______ is a temporary enclosure used for the spraying of workpieces that cannot be moved into a spray booth where open spraying is not practical due to the proximity to other operations.

spray area limited finishing workstation membrane enclosure secure enclosure sealed workstation enclosure

15. An outdoor spray area is outside the confines of a building or has a canopy or roof that does not limit the dissipation of the heat of a fire or dispersion of flammable vapors, and ______.

is pre-approved by the AHJ does not restrict fire-fighting access and

control is large enough to cover the entire

workpiece does not restrict access to all sides of the

workpiece has readily accessible access to equipment

emergency shutoff devices

16. The area within ______ in all directions from open containers, supply containers, waste containers, spray gun cleaners, and solvent distillation units that contain Class I liquids shall be classified as Class I, Division 1 or Class I, Zone 1, whichever is applicable.

20 feet 10 feet 3 feet

100 feet 5 feet

17. The area extending ______ beyond the Division 1 or Zone 1 location surrounding a container of Class I liquid shall be classified as Class I, Division 2 or Class I, Zone 2, whichever is applicable.

6 feet 4 feet 10 feet 2 feet 3 feet

18. The area inside any tank or container holding ______ shall be classified as Class I, Division 1 or Class I, Zone 0, whichever is applicable.

a Class II liquid a corrosive substance water a Class I liquid helium

Quiz 41. The individuals who have the overall legal

responsibility for the operation of a health care facility are the ______.

governing body chiefs of staff corporate attorneys operating officers board members

2. A mobile enclosure in which human medical care is provided is classified as a ______.

health care branch office medical provider facility health care facility mobile surgery travelling doctor

3. A/n ______ of the multiple-winding type, with the primary and secondary windings physically separated, that inductively couples its ungrounded secondary winding(s) to the grounded feeder system that energizes its primary winding(s) is defined as a/an ______.

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inductor – Kettering transformer conductor – equilibrium system transformer – isolation transformer generator – grounded isolator motor – equalizing inductor

4. At a ______ office, treatment or procedures do not render the patient incapable of self-preservation under emergency conditions.

surgical trauma-care doctor’s dental therapist’s

5. Business offices in a medical facility may be classified as a patient care space.

No, business offices are not a place where patients are intended to be examined or treated.

Yes, business offices in a medical facility are considered to be a patient care space.

No, this is never permitted. Yes, this is not typical, but it is possible if the

governing body designates it as such. Yes, all spaces in a medical facility are

considered to be patient care space.

6. The grounding terminals of all receptacles in patient care spaces must be directly connected to an insulated copper equipment grounding conductor.

Yes, this is always required for patient safety.

No, this is not a requirement, but it is a recommended best practice.

Yes, this is a requirement for all receptacles except isolated ground receptacles.

No, this is only a requirement for isolated ground receptacles.

Yes, this is a requirement, but the equipment grounding conductor is not required to be copper.

7. ______ enclosures in patient care spaces must be directly connected to an insulated copper equipment grounding conductor that is clearly identified along its entire length by green insulation and installed with the branch circuit conductors.

All Metal Non-metal Easily accessible Receptacle

8. For other than ______, an insulated equipment bonding jumper that directly connects to the equipment grounding conductor is permitted to connect the box and receptacle(s) to the equipment grounding conductor in patient care spaces.

non-metallic boxes non-grounded receptacles metallic enclosures low-voltage receptacles isolated ground receptacles

9. An isolated grounding receptacle shall not be installed within a patient ______.

care vicinity equipment grounding point care facility critical care space Category 2 space

10. The equipment grounding conductor connected to the grounding terminals of isolated ground receptacles in patient care spaces shall be clearly identified along the equipment grounding conductor's entire length by green insulation with one or more ______ stripes.

red green blue white yellow

11. A hospital whose normal power source consists of on-site generating units must have an alternate set of generators to run their essential electrical system in the event that their normal electrical service is interrupted.

No, this is not a requirement for facilities powered by on-site generators.

Yes, this is required for patient safety. No, a second generator set isn’t required if

their alternate electric source is an external utility service.

No, this is not required as generators are a more reliable electric source than an external utility service.

Yes, this is required so that the staff can continue patient care during an outage.

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12. A nursing home that requires 8 fuel cell units to supply the demand loads of the essential electrical system must have at least ______ fuel cell units installed.

7 8 9 10 16

13. A fuel cell system serving as an alternate power source for essential electrical systems must ______.

have sufficient on-site fuel storage to run all electrical systems

be able to assume loads within 20 seconds of loss of normal power source

have a listed fuel supply be listed as a complete system be listed for emergency system use

14. It ______ to control task illumination on the power source critical branch at a health care facility.

shall be permitted is recommended shall not be permitted is permitted with pre-approval from the AHJ is allowed, but not recommended,

15. An adapter is a device used to adapt a circuit from one configuration of an attachment plug or receptacle to ______.

another configuration with the same voltage rating

another receptacle another configuration with the same current

rating a fuel cell system an alternate power source

16. A portable stage switchboard contains ______ with associated overcurrent protective devices, or overcurrent protective devices alone that are used to feed stage equipment.

switches and knobs dimmers or relays timers and switches task lighting multiple power sources

17. The flexible cord GFCI devices for receptacles at carnivals shall be listed, labeled, and identified for ______ use.

recreational safety transferable efficient portable

18. A manufactured home contains plumbing, heating, air conditioning and electrical systems ______.

that must be connected to utilities and is larger than a park trailer which may or may not be connected to

utilities that are restricted to residential, not

commercial, use and is erected on a permanent foundation

19. Mobile homes with dishwashers ______. must be at least 30 feet long must have GFCI protection on the

receptacle serving the dishwasher should have the dishwasher hard-wired so

that no GFCI protection is necessary shall have GFCI protection on the receptacle

serving the clothes dryer must be shorter than 40 feet long

20. A recreational vehicle park is a parcel of land where ______ recreational vehicles, recreational park trailers, and/or other camping sites are offered for use for overnight stays.

manufactured homes, at least three two or more mobile homes, portable cabins,

21. _____ recreational vehicle site(s) with electrical supply shall be equipped with recreational vehicle site supply equipment with at least one 20-ampere, 125-volt receptacle.

Seventy percent of Professional New Every Forty percent of

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22. A minimum of ______ percent of existing and ______ percent of all new recreational vehicle sites with electrical supply shall each be equipped with a 50-ampere, 125/250-volt receptacle.

10 – 50 20 – 50 30 – 60 25 – 70 20 – 40

23. All 125-volt, single-phase, 15- and 20-ampere receptacles at recreational vehicle park sites shall have listed ground-fault circuit-interrupter protection for personnel.

Yes, and the GFCI devices are not required to be weather or tamper resistant.

Yes, and the GFCI devices must also be weather resistant.

No, this is not a requirement. Yes, and the GFCI devices must also be

tamper resistant. No, this is only required if the RV park has

more than 20 sites.

24. Electrical services and feeders at recreational vehicle parks shall be calculated on the basis of not less than ______ volt-amperes per site equipped with 50-ampere, 120/240-volt supply facilities.

9600 12,000 5000 15,000 7200

Quiz 51. The installation of electrical equipment on a

floating pier in a marina that is associated with a ______ is addressed by NEC Article 555.

ship-launching facility commercial fishing vessel single-family dwelling commercial shipyard

family-owned charter boat

2. The overcurrent protective devices that supply marinas and boatyards shall have ground-fault protection ______.

not exceeding 30 mA of at least 30 mA no greater than 40 mA rated at 20 mA or less of at least 100 mA

3. All 15- and 20-ampere, single-phase, 125-

volt receptacles installed outdoors, in boathouses, and/or in buildings or structures used for ______ shall be provided with GFCI protection for personnel.

sales, entertainment or office space storage, maintenance, or repair service, sales, or storage dwelling space storage or diagnostics

4. Permanent safety signs shall be installed to give notice of electrical shock hazard risks to persons swimming near or using a boat dock or marina with electrical equipment or wiring.

Yes, this is a requirement if the facilities do not have ground fault protection.

No, this is not a requirement, but it is recommended.

Yes, this is a requirement, but only if the electrical equipment is supplied by a public utility.

Yes, this is always required for the safety of anyone who might come in contact with the water.

No, this is not required unless the shock potential is higher than 100 mA.

5. A temporary wiring installation is permitted to use ______ cable.

Type MI Type SE Type UF Type MC none of the answers provided

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6. Type SE cable shall be permitted to be installed in a temporary wiring underground installation.

Yes, provided the Type SE cable is installed in a raceway.

Yes, this is always permitted. No, Type SE cable is never permitted in

temporary underground installations. Yes, this is permitted provided the AHJ has

preapproved the installation. Yes, provided the SE cable has a weather-

proof coating on the outside.

7. Spliced circuit conductors in a temporary wiring installation are not required to be enclosed in a junction box with a cover provided all are ______ terminated in listed fittings that mechanically secure the cable sheath to maintain effective electrical continuity.

enclosed in raceways Type SE cable from metal-sheathed cable assemblies size 8 AWG or larger and from non-metallic-sheathed cable

assemblies

8. It is ______ to use a listed cord set with an incorporated listed GFCI protection for personnel that is identified for portable use in a temporary electrical installation.

not permissible required permissible recommended not advisable

9. Receptacles in temporary wiring installations that provide power to equipment used by personnel during the demolition of a building may be protected by ______.

special purpose ground-fault circuit-interrupters

junction boxes with covers any copper conductor running to ground a fuse a nonmetallic receptacle guard

10. Article 600 covers the installation of ______ for electric signs, retrofit kits, and outline lighting, regardless of voltage.

batteries and light bulbs temporary wiring conductors, equipment, and field wiring safety equipment, raceways and conductors support structures and field wiring

11. A PV-powered sign is a complete sign powered by ______ consisting of all components and subassemblies for installation either as an off-grid stand-alone, on-grid interactive, or non-grid interactive system.

thermal energy a battery grid electricity turbines solar energy

12. Retrofitted illuminated signs equipped with tubular light-emitting diode lamps powered by the existing sign sockets ______.

are not permitted shall include a label alerting service

personnel that the sign has been modified are permitted provided they are listed shall include a label with the inspector’s

name and contact information may be relamped with fluorescent bulbs

13. Metal parts of Class 2 power supplies for electric signs shall be grounded ______.

with a copper conductor size 8AWG or larger

with an assured equipment grounding conductor program

to the main metallic structure of the sign by connecting to the equipment grounding

conductor to the sign’s support structure

14. Type PLTC cables are not permitted for use in signs and outline lighting in ______.

non-concealed spaces inside buildings concealed spaces inside buildings that are

not used as plenums environmental air spaces

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wet locations concealed spaces inside buildings that are

not used as risers

15. All field wiring of components and subassemblies for an off-grid stand-alone, on-grid interactive, or non-grid interactive PV installation shall be installed in accordance with Article 690, as applicable, 600.34, and ______.

Article 590 Temporary Installations the PV powered sign installation instructions general electric sign installation instructions Article 501 Class I Locations the inspector’s suggestions

16. Wiring from a photovoltaic panel or wiring external to the PV sign body shall be ______.

listed, labeled and suitable for photovoltaic applications

listed for use in hazardous conditions secured at intervals no longer than 18

inches enclosed in a raceway weatherproof and tamper resistant

17. Manufactured wiring systems and associated components ______.

may be unlisted but field approved shall be listed must be listed and labeled for use in

hazardous locations shall be listed, labeled and suitable for

photovoltaic applications must be enclosed in raceways and boxes

with covers

18. An elevator control panel ______ where the available short-circuit current exceeds its short-circuit current rating, as marked in accordance with 620.16(A).

shall not be readily accessible except to authorized persons

is permitted to be installed

must be installed no less than 36” from the ground

shall be enclosed in a box with a keyed entry

shall not be installed

19. The ______ supplying the lighting for a machinery control space shall be separate from the ______ supplying the receptacles in that space, and shall supply no other loads.

branch circuit – raceway feeder – feeder conduit – conductor branch circuit – branch circuit raceway – conductor

20. ______ 125-volt, single-phase, 15- or 20-ampere duplex receptacle(s) shall be provided in a hoistway pit.

No more than one At least one At least two No more than two Three

21. A single means shall be provided for disconnecting all ungrounded main power supply conductors for each ______, or stairway chairlift.

elevator, refrigerator walkway, thruway dumbwaiter, smartwaiter elevator, escalator hoistway, wellway

22. Each 125-volt, single-phase, 15- and 20-ampere receptacle installed ______ associated with wind turbine tower elevators shall be of the ground-fault circuit-interrupter type.

on the cars of elevators and dumbwaiters along the belt of a moving walkway behind the blades on the lift track on the cars of trains and subways

Quiz 6

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1. Article 625 covers the electrical conductors and equipment external to an electric vehicle that connect that vehicle to a supply of electricity by ______ power transfer means.

ductless or inductive electromagnetic or kinetic conductive, inductive, or wireless branch circuit conductive, thermal or wireless

2. An electric vehicle charging system’s charger power converter is a device used to convert energy from the power grid to ______.

kinetic energy to move the vehicle a DC current charging cable electromagnetic energy for power transfer a wireless signal that can be received by the

vehicle’s computer a high-frequency output for wireless power

transfer

3. A multi-conductor, shielded cable assembly consisting of conductors to carry the high frequency energy and any status signals between the charger power converter and the primary pad of an electric vehicle charging system is known as the ______.

transfer cable to the power pad input cable to the primary pad output cable to the primary pad charging system cable output cable from the power converter

4. ______ for an electric vehicle charging system is defined as the transfer of electrical energy from a power source to an electrical load via electric and magnetic fields or waves by a contactless inductive means between a primary and a secondary device.

Electromagnetic source transfer (EST) Output cable energy transfer (OCET) Source transfer process (STP) Wireless power transfer (WPT) Electrical power supply (EPS)

5. Each outlet installed for the purpose of charging electric vehicles shall be supplied by ______.

conductors no smaller than 8 AWG an individual branch circuit no fewer than two branch circuits an individual feeder cable a GFCI device

6. Electric arc welders, resistance welders, plasma cutters, and other similar welding and cutting process equipment that are connected to an electrical supply system ______.

must be listed and labeled for hazardous environments

are not required to be listed as long as they are field labeled

shall be listed may be unlisted provided they are labeled

suitable for use must also be connected to a backup power

supply in case of an outage

7. The ampacity of the supply conductors for resistance welders necessary to limit the voltage drop to a value permissible for the satisfactory performance of the welder is ______.

usually greater than that required to prevent overheating

specified by the equipment manufacturer usually lower than that required to cause a

disconnect determined by the equipment operator usually lower than that required to prevent

overheating

8. Class 2 and Class 3 cables installed in accordance with 725.135(C) and Table 725.154 shall be permitted to be installed in ______ used for environmental air.

ducts and pathways boxes and cabinets tubes and hoses ducts and plenums equipment and raceways

9. Loudspeakers installed in a fire resistance–rated partition, wall, or ceiling shall be listed and labeled, or ______, or installed in an enclosure or recess that maintains the fire resistance rating.

pre-approved by the AHJ wrapped in fire-proof fabric

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identified as speaker assemblies for fire resistance

field-labeled by a fire-resistance expert identified as equipment approved for

hazardous locations

10. The installation requirements for optical fiber cables in a plenum above an information technology equipment room are defined in ______.

Article 760 Article 800 Article 820 Article 770 Article 300

11. Only fire alarm cables listed in accordance with Part IV of Article 760 and listed fire alarm equipment shall be permitted to be installed in ______.

fire stations an information technology equipment room hospitals, nursing homes and similar care

facilities an office environment industrial manufacturing facilities

12. Cables marked ______ are permitted to be installed in an information technology equipment room.

CPR CLUP CMUC CPX CMB

13. Only community antenna television and radio distribution cables listed in accordance with 820.179 and listed CATV equipment ______ to be installed in an information technology equipment room.

shall be permitted shall not be permitted are not usually permitted are sometimes recommended may not be allowed

14. Optical fiber cables marked ______ are permitted to be installed in information technology equipment rooms.

OFMG OFBG OFM OFCG

OFD

15. Where ______ and openings minimize the entrance of debris beneath the floor, communication cables and receptacles associated with the information technology equipment shall be permitted under a raised floor of approved construction.

there is a duct or plenum the area under the floor is accessible there are other cables installed the space under the floor is at least 12

inches deep there is no risk of flooding

16. Electrical nonmetallic tubing is permitted to be installed under a raised floor.

No, this is never permitted. No, this is not typically permitted, but can be

field-approved by the AHJ. Yes, this is permitted. Yes, this is permitted provided the tubing

has no metallic joinery. Yes, this is permitted provided the tubing is

watertight.

17. Equipment grounding conductors are permitted to be installed under a raised floor.

Yes, this is permitted provided they’re installed in a raceway.

No, this is not permitted. Yes, this is permitted only for copper

conductors. No, an underfloor installation is not safe for

an equipment grounding conductor. Yes, this is permitted.

18. In addition to ______ installed in accordance with 770.113(C), Types OFNR, OFCR, OFN, and OFC shall be permitted to be installed under raised floors.

equipment grounding conductors interconnecting audio cables not enclosed in

a raceway and optical fiber cables Type DP cable extension cords

19. Power cables for information technology equipment that are installed under raised floors ______ to be secured in place.

are required may be required

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may not be required shall be required shall not be required20. Surge protection ______ for critical

operations data systems. shall be provided shall be offered may be provided should be installed is not recommended

21. Industrial machinery shall be legibly marked in the field with the maximum available short-circuit current and the ______.

name of the field inspector voltage rating date the short-circuit current calculation was

performed location of the equipment grounding

conductor whether it is supplied by more than one

branch circuit

Quiz 71. An electrically powered pool lift ______. is an electric lift used for moving of large

pool components provides accessibility to and from a pool or

spa for people with disabilities may not be powered by a battery is required to have a backup source of

power in case of an outage provides a lifting mechanism for people who

are too fatigued to climb out of the pool

2. The NEC defines a/n ______ swimming pool as one that is intended to be stored when not in use.

out-of-season portable rentable storable transportable

3. All electrical equipment installed in the water, walls, or decks of pools, fountains, and similar installations shall ______.

be waterproof not be used with extension cords be listed have labels indicating that it is suitable for

use near water have corrosion-proof coating

4. Field-installed grounding and bonding connections in a damp, wet, or corrosive environment may be composed of ______.

copper alloy aluminum anything nonmetallic steel brass

5. ______ wiring shall not be permitted under the pool unless this wiring is necessary to supply pool equipment permitted by Article 680.

Aboveground Outdoor Complex Easily corroded Underground

6. Electrical equipment installed in a pool equipment room shall be ______.

suitable for the environment made of noncorrosive materials labeled for use near pools listed and labeled as suitable near corrosive

chemicals suitable for the outdoors

7. Areas where ______, as well as areas with circulation pumps, automatic chlorinators, filters, open areas under decks adjacent to or abutting the pool structure, and similar locations shall be considered to be corrosive environments.

pool sanitation chemicals are stored water might pool on the ground chemicals are stored pools might be installed at a later date pools are installed within 10 feet of a

property line

8. Areas where pool sanitation chemicals are stored, as well as areas with circulation pumps, automatic chlorinators, filters, open areas under decks adjacent to or abutting the pool structure, and similar locations shall be considered to be ______.

hazardous locations chemical storage closets corrosive environments under the control of public utilities subject to inspection at any time

9. Wiring installed in the corrosive environment where pool chemicals are stored is permitted to be ______.

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exempt from most typical NEC wiring requirements

Type PLTC cable labeled as suitable for that use

only copper or copper alloy Type MC cable listed for that location any limited use Class 2 cable

10. Receptacles that provide power for water-pump motors or for other loads directly related to the circulation and sanitation system shall be located at least ______ from the inside walls of the pool.

18 inches 10 feet 6 feet 36 inches 8 feet

11. A low-voltage gas-fired fire pit that uses a low-voltage ignitor that does not require grounding, and that is supplied by a power supply that complies with 680.23(A)(2) with an output that does not exceed the low-voltage contact limit is permitted to be located less than 3 feet from the inside walls of a pool.

Yes, provided it is approved by the inspector.

Yes, provided it is labeled for poolside use. No, it must be at least 5 feet from the inside

walls of a pool. Yes, provided it is listed. No, this is a safety hazard and is not

permitted.

12. Metallic gas piping for a poolside fire pit must be ______.

personally inspected by the AHJ copper or copper alloy only bonded buried at least 36 inches below ground labeled for use in a hazardous environment

13. The wiring method of the portion of a branch-circuit on the supply side of a junction box connected to conduit run to an underwater luminaire that is installed in a

corrosive environment is permitted to be ______.

any nonmetallic conduit with sealed joints liquidtight flexible nonmetallic conduit a nonmetallic conduit a metallic conduit with a corrosion-resistant

coating determined during installation

14. Where feeders are installed in ______ as described in 680.14, the wiring method of that portion of the feeder shall be as required in 680.14(B) or shall be liquidtight flexible nonmetallic conduit.

underwater equipment hazardous locations locations with extreme UV exposure corrosive environments conduit or raceways

15. Circuits serving gas-fired swimming pool and spa water heaters operating at voltages above the low-voltage contact limit shall be provided with ______.

a copper equipment grounding conductor a platform to protect from water on the

ground a listed form of weather protection readily accessible voltage meters for easy

monitoring ground-fault circuit-interrupter protection for

personnel

16. All exposed metal surfaces that are within 5 feet of the inside walls of a hydromassage tub and not separated from the tub area by a permanent barrier shall be ______.

bonded together coated with a noncorrosive material at least 18 inches off the ground bonded to a nonmetallic portion of the tub

structure any of the answers provided

17. Pool lifts connected to premises wiring and operated ______ shall be provided with GFCI protection for personnel.

on a daily basis by untrained personnel above the low-voltage contact limit below the low-voltage contact limit

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in a corrosive environment

18. The nameplate of a battery-powered pool lift must include ______.

amperage rating voltage rating wattage rating date of last inspection all of the answers provided

Quiz 81. Article 690 provides requirements for PV

installations that are connected to batteries. No, such installations are outside the scope

of Article 690. Yes, but only if the batteries provide more

than 5000 kW. Yes, and it also covers PV installations that

are not connected to batteries. Yes, but it does not cover the array circuits

for solar PV systems. Yes, and it also addresses the corrosive

environments typical of PV installations.

2. A functional grounded PV system that has an electrical reference to ground is ______.

solidly grounded buried beneath at least 18 inches of earth not solidly grounded solidly attached to the solar cell support

structure grounded via metallic conduit

3. PV system DC circuits on or in one- and two-family dwellings shall be permitted to have a maximum voltage of ______ or less.

400 volts 600 volts 800 volts 1000 volts 1200 volts

4. A calculated maximum current value for a PV system is based on ______ resulting from the simulated local irradiance on the PV array accounting for elevation and orientation.

125 percent of the current the calculated equivalent 150 percent of the current the expertise of a degreed electrical

engineer

the highest 3-hour current average

5. A solar PV system not installed on or in a building is ______ without arc-fault circuit protection.

permitted required to be installed unsafe not functional not permitted

6. Ground-mounted PV system circuits that enter buildings, and whose sole purpose is to house PV system equipment, ______ to have a rapid shutdown function.

are required need may be required shall not be required are likely

7. Requirements for controlled conductors shall apply to ______ supplied by the PV system.

all circuits only DC power PV circuits feeder conductors all power

8. The array boundary for a solar PV system installed on a building is defined as ______ from the array in all directions.

18 inches 1 foot 2 feet 10 feet 20 feet

9. A PV array shall be ______ as a rapid shutdown PV array.

field inspected listed and labeled for use in a high UV

environment listed or field labeled pre-approved by the AHJ manufacturer or field labeled

10. The rapid shutdown initiation device for a PV system installed on a building must include ______.

a service disconnecting means

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a service and PV system disconnecting means

any on/off switch suitable for outdoor use a readily accessible array a listed and labeled nonmetallic box or

enclosure

11. Each PV system disconnecting means shall plainly indicate whether in the open (off) or closed (on) position and shall be permanently marked “______” or equivalent.

SOLAR PV SYSTEM ONLY FOR USE BY AUTHORIZED

PERSONNEL NOT A DISCONNECTING MEANS ELECTRIC SHOCK HAZARD PV SYSTEM DISCONNECT

12. The PV system ______ shall have ratings sufficient for the maximum circuit current available short-circuit current, and voltage that is available at the terminals of the PV system disconnect.

warning labels array boundary requirements disconnecting means batteries

13. The PV system disconnecting means shall simultaneously disconnect the PV system conductors of the circuit from ______.

the conductors within the array all conductors of other wiring systems all conductors crossing the array boundary the equipment grounding conductor any equipment that requires frequent

servicing

14. PV system disconnecting devices marked with “line” and “load” ______ for backfeed or reverse current.

shall be permitted may be permitted in certain situations shall not be permitted are preferred but not required shall be required

15. A ______ supporting a PV array shall have a grounding electrode system installed in accordance with Part III of Article 250.

nonmetallic frame building that is otherwise ungrounded water or gas pipe building or structure

series of fasteners or ties

16. PV array equipment grounding conductors shall be connected to the ______ of the building or structure supporting the PV array in accordance with Part VII of Article 250.

grounding electrode system nonmetallic structure metal water pipes sprinkler system foundation

17. For PV systems that are not ______, the equipment grounding conductor for the output of the PV system is permitted to be the connection to ground for ground-fault protection and equipment grounding of the PV array.

ungrounded solidly grounded mounted to a structure mounted to a building part of a PV array

18. For functional grounded PV systems with an interactive inverter output, the ______ connected to associated grounded AC distribution equipment is likely the connection to ground for ground-fault protection and equipment grounding of the PV array.

aluminum support structure bare-wire equipment grounding conductor AC equipment grounding conductor nonmetallic support structure DC conductors

19. PV system rapid shutdown devices that shut down both the array and the conductors leaving the array must have a label with black lettering on a ______ background.

green yellow white red blue

20. PV system rapid shutdown devices that shut down the conductors leaving the array but not the array require a red label with a warning stating that turning the switch to the OFF position ______.

will minimize shock hazard in the array only de-energizes the conductors in the

array

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might not work if there are additional shutoff switches

does not de-energize the conductors in the array

will only work on overcast days

21. A PV system rapid shutdown switch label shall be located ______ the service disconnecting means to which the PV systems are connected.

no more than 3 feet from on within 2 feet of 18 inches to the left or right of no more than 48 inches from

22. Article 691 covers the installation of large-scale PV electric power production facilities with a generating capacity of ______.

no more than 5000 kW at least 6000 kW more than residential PV systems less than 10,000 kW no less than 5000 kW

Quiz 91. Loss of integrity of the remote start circuits

of a fire pump generator control shall initiate ______ at the generator local and remote annunciators and start the generators.

red flashing lights visual and audible annunciation of generator

malfunction loud sirens and flashing lights the automatic shutdown sequence automatic safety disconnects2. A surge protection device must be installed

in or on the fire pump controller. No, surge protection is not required on the

controller specifically. No, this is not required if the controller is

powered by batteries. Yes, but it must be listed. Yes, but it must be listed and labeled for use

in a wet environment. Yes, and it must be visible and readily

accessible.

3. A device connected on the load side of a branch circuit overcurrent protective device that transfers only emergency lighting loads from the normal supply to an emergency supply is called a/n ______.

branch circuit emergency lighting transfer switch

emergency lighting load transfer switch

emergency backup lighting transfer device branch circuit overcurrent transfer box load-side emergency lighting transfer switch

4. An emergency luminaire that has a control input for an integral dimming or switching function that drives the luminaire to full illumination upon loss of normal power is known as ______.

an emergency switching luminaire a dimmer switch lighting control a directly controlled luminaire an alternate emergency luminaire an emergency graduated light

5. Emergency system equipment shall be maintained in accordance with ______.

the 2017 NEC Equipment Maintenance Guide

manufacturer instructions and industry standards

the requirements of the AHJ the maintenance schedule at the install

location specifications from a licensed electrical

engineer

6. If an emergency system relies on a single alternate source of power which could be disabled for maintenance or repair, the emergency system must include permanent switching means to connect ______.

directly to the utility grid to a portable battery array to alternate power for no less than 60

minutes to another system with its primary and

alternate power sources intact to a portable or temporary alternate source

of power

7. When connecting to a portable or temporary alternate source of power for repair to an alternate source of power, it is acceptable to modify the permanent system wiring.

Yes, this is common practice. Yes, this is acceptable provided the

permanent system wiring is restored after the repair.

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No, this is never permitted. No, this is not permitted without pre-

approval from the facility owner. Yes, this is acceptable if there is no other

means available to connect to the temporary power source.

8. The switching means to an alternate source of power must include a contact point that will annunciate at a location ______ to indicate that the permanent emergency source is disconnected from the emergency system.

determined by the AHJ remote from the generator or at another

facility monitoring system that is at least 200 feet from the generator at another facility monitoring system in a visible location that is constantly

monitored by personnel

9. It is ______ to have a permanent switching means to connect a portable or temporary power source if other temporary means can be substituted for the emergency system.

not permissible not required required recommended not recommended

10. Exposed cables or raceways that are part of emergency system circuits ______ to identify them as components of an emergency circuit or system.

must be listed and labeled shall be labeled as suitable for use shall be permanently marked in red must be permanently marked should be labeled with an orange triangle

11. Educational occupancies with more than ______ occupants must meet additional emergency system fire protection requirements.

250 300 1000 1500 2500

12. Emergency system feeder circuit wiring raceways ______ be protected by a listed fire-rated assembly that has a minimum fire

rating of 2 hours and contains only emergency circuits.

must shall not are permitted to should should not be permitted to

13. Automotive-type batteries may be used for emergency system storage batteries.

Yes, provided they can maintain the total load for at least 1-1/2 hours.

Yes, this is permitted. No, this is not permitted unless they supply

a facility that has fewer than 300 occupants. Yes, this is acceptable provided there is a

means for automatically charging the batteries.

No, this is not permitted.

14. Emergency lighting loads supplied by branch circuits rated at not greater than 20 amperes shall be permitted to be transferred from the normal branch circuit to an emergency branch circuit using a branch circuit emergency lighting transfer switch.

No, this is not permitted. No, this is neither a safe nor reliable way to

make the switch to emergency power. Yes, provided it is listed. Yes, provided it is suitable, listed and

labeled for hazardous environments. Yes, this is permitted.

15. Legally required standby system equipment shall be maintained in accordance with ______.

AHJ guidelines manufacturer instructions and industry

standards the 2017 NEC Maintenance Handbook NEC Article 701 all of the answers provided

21


16. The transfer equipment short-circuit current rating shall be field marked ______.

on the exterior of the transfer equipment on the interior of the transfer equipment

enclosure in a readily visible location on the transfer

equipment with the type of OCPD with a weather-proof placard

17. For legally required standby systems with multiple emergency sources connected to a paralleling bus, the ground-fault sensor shall be permitted _____.

to provide only an audible alarm to be connected to only one of the

emergency sources at an alternate location to be unlisted but field labeled to be installed below the flood line

18. Systems for portable outdoor generators with power inlets rated for at least 100 amps shall be equipped with ______.

an interlocked disconnecting means a listed suitable OCPD an equipment grounding conductor a field label indicating the maximum voltage a red shock hazard warning placard

19. A ______ allows a microgrid system to separate from and reconnect to a primary power source.

microgrid system switch primary power switch microgrid interconnect device power interconnect device primary microgrid connect device

20. A disconnecting switch for an ungrounded conductor at which the line and load terminals are capable of being energized in the open position must be ______.

an improper installation marked with a shock hazard warning label labeled as suitable for use pre-approved by the AHJ used only when other installations are not

possible

21. ______shall be permitted to disconnect from the primary source of power and operate as a separate microgrid system.

Primary feeder cables Microgrid systems Disconnect switches

Solar arrays Underground raceways

22. Microgrid interconnect devices shall ______. have at least two overcurrent protection

devices be installed only if the primary power source

is the utility grid have an interactive or multimode inverter have a generator as the secondary source

of power be listed or field labeled for the application

23. Article 706 Energy Storage Systems provides requirements for permanently installed energy storage systems operating at ______.

over 40 volts DC no more than 10,000 volts AC over 50 volts AC under 100 volts AC under 60 volts DC

24. An energy storage system (ESS) contains ______ capable of storing energy for use at a future time.

no more than seven components one or more components assembled

together that are at least two components installed in parallel

that are no fewer than two components installed in

series field-assembled components

25. Nonlocking-type, 125-volt, 15- and 20-ampere receptacles supplied from a critical operations power system (COPS) shall have an illuminated face or an indicator light ______.

showing when the power to the receptacle has exceeded 100 volts

to make it easier to locate the receptacle in the dark

for ease of use of the receptacle in a power outage

to indicate that there is power to the receptacle

to show when the receptacle is locked

Quiz 101. ______ is a power distribution system

consisting of more than one interconnected

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DC power source supplying DC-DC converters, DC and/or AC loads powered by DC-AC inverter(s).

An alternating current microgrid A microgrid A direct current microgrid A bidirectional converter An AC-DC rectifier

2. Class 2 cables shall be permitted to be installed in general purpose ______ selected in accordance with Table 800.154(c), listed in accordance with the provisions of 800.182, and installed in accordance with 800.110(C) and 800.113.

communications raceways cable routing assemblies shallow trenches waterways emergency panelboards

3. ______ may not be installed in a single-story office building.

A listed general-purpose communications raceway

A listed riser cable routing assembly An unlisted cable routing assembly A listed plenum communications raceway all of the answers provided

4. The power sources for limited power circuits for listed audio/video information equipment in 725.121(A)(4) shall have a label indicating ______.

a possible shock hazard when the power source is energized

the name of the inspector and date of most recent inspection

the maximum voltage and current input whether or not it is listed the maximum voltage and current output for

each connection point

5. Limited power cables shall be marked with the suffix “-LP” with the ______ located immediately following the suffix LP.

ampere limit current output minimum current suitable uses voltage limit

6. Power-limited fire alarm cables shall be permitted to be installed in ducts specifically fabricated for environmental air.

No, cables are not permitted in environmental air spaces.

Yes, fire alarm systems may be installed wherever necessary.

No, this is only allowed in general-purpose ducts.

Yes, provided they qualify for an exception in section 760.3.

Yes, provided the AHJ has pre-approved the installation.

7. Power-limited fire alarm cables may be installed in plenum cable routing assemblies, riser cable routing assemblies, and general-purpose cable routing assemblies.

Yes, this is permitted if there is no other place to install the cables.

No, this unsafe practice is not permitted. Yes, provided they are selected, listed and

installed in accordance with Article 800. Yes, provided they are listed, labeled and

suitable for this use in accordance with Article 600.

No, PL cables may not be installed in plenum spaces.

8. ______ fire alarm cables shall be permitted to be installed in plenum communications raceways, riser communications raceways, and general purpose communications raceways.

General purpose Power-limited Only field labeled Uninsulated Only red-coated

9. The jacket of fire alarm system PLFA cables must be marked with ______.

the temperature rating their voltage limit the conductor size

23


the temperature rating if it is below 140 degrees F

the suffix “-PLFA”

10. Paint, plaster and cleaners may result in ______ optical fiber cable jackets.

different installation requirements for revised manufacturing processes for metallic composite damage to inspection problems for

11. Attachment of outside plant optical fiber cables to a cross-arm that carries electric light or power conductors ______.

shall be permitted is a standard best-practice installation shall not be permitted may be permitted provided the safety

conditions are met cannot be permitted without approval from

the AHJ12. Supply service drops and sets of overhead

service conductors of 0 to 750 volts running above and parallel to optical fiber cable service drops shall have a minimum separation of ______ at any point in the span, including at the point of their attachment to the building.

6 inches 1 foot 2 feet 18 inches 36 inches

13. Outside plant optical fiber cables shall have a vertical clearance of not less than 8 ft. from all points of garage roofs above which they pass.

Yes, this is the requirement. No, this is only required for the overhanging

portion of a garage roof. Yes, this is required if the garage is part of a

commercial building. No, the vertical clearance requirement is 12

inches. No, the minimum vertical clearance is not

required over garages.

14. Communications cables cannot be damaged by paint or plaster.

No, it is possible for these cables to be damaged by paint and plaster.

Yes, the cable insulation jackets are designed to be contaminant-proof.

Yes, provided the cables are installed per the current NEC requirements.

No, it is possible to damage the cables if they are installed in a wet environment.

Yes, because paint and plaster are not hazardous contaminants.

15. Communications cables shall be permitted in the same enclosure as optical fiber cables.

Yes, provided all the cables are clearly labeled so they can be distinguished from each other.

No, this is not permitted. No, this is not permitted unless they are in

an environmental air space. Yes, this is permitted. Yes, provided the enclosure does not

contain power-limited fire alarm cables.

16. Masts and metal structures supporting antennas shall be grounded in accordance with 810.21, unless the antennas and their related supporting masts or structure are within a zone of protection defined by ______.

the AHJ a 150-foot radius local ordinances a 150-foot radius rolling sphere a 150-foot square pyramid or “tent”

17. Coaxial cables installed exposed on the surface of ceilings and sidewalls ______.

should have a minimum number of supports to reduce the risk of damaging the cables

could be damaged by paint, plaster or corrosive residues

are not properly installed are likely to be damaged shall be installed along edges, corners and

doorways where possible

18. ______, in addition to carrying the communications circuit, shall also be permitted to carry circuits for powering communications equipment.

Optical fiber cables Communications raceways Communications cables Class 2 cables Type MI conductors

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