Download - Prepare electrical supplies 2
![Page 1: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/1.jpg)
Prepare Electrical Supplies, Materials,and Tools
![Page 2: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/2.jpg)
![Page 3: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/3.jpg)
Definition of Terms• Ampere - a unit of measure of
electric current• Circuit - the path of electric current
from the source to the components and goes back to the source
• Kilowatt - a unit of power which is equivalent to 1000w
![Page 4: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/4.jpg)
• Conductor - a wire or a cord which provides path for current flow
• Resistance - the quality of electric current measured in ohms that resist the flow of current
• Hot wire - a wire through which current flows
![Page 5: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/5.jpg)
• Insulator – material used to cover electric wires which may be made from plastic, rubber, or asbestos.
• Tools - are implements used to modify raw materials for human use
• Corrugated plastic conduit (CPC) - commonly known as flexible non-metallic conduit or the “moldflex”
![Page 6: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/6.jpg)
• Metallic Conduits- metal raceways that was classified into four; rigid steel conduit (RSC), intermediate metallic conduit or tubing (IMC or IMT), electrical metallic conduit or tubing (EMC or EMT) and the flexible metallic conduit (FMC)
![Page 7: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/7.jpg)
• Non-metallic conduits- plastic conduits or raceways designed to be a channel of wire that are classified as; rigid non-metallic conduit or the PVC, the flexible nonmetallic or CPC, and the surface plastic molding
![Page 8: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/8.jpg)
Electrical Tools and Equipment
![Page 9: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/9.jpg)
![Page 10: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/10.jpg)
• Connectors and Adapters - accessories that are used to connect from boxes to conduits or raceways to the other boxes in the electrical system
![Page 11: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/11.jpg)
SCREW DRIVERS.
• These tools are made of steel hardened and tempered at the tip used to loosen or tighten screws with slotted heads. They come in various sizes and shapes.
![Page 12: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/12.jpg)
![Page 13: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/13.jpg)
Standard/Flat Screw Driver
The blade tip is wedge-shaped and resembles a negative (-) sign. This is used to drive screws with a single slot head.
![Page 14: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/14.jpg)
![Page 15: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/15.jpg)
Philips Screw Driver.
This has a cross tip resembling a positive (+) sign. This is used to drive screws with cross slot heads.
![Page 16: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/16.jpg)
![Page 17: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/17.jpg)
Stubby Screw Driver.
It comes in either Standard orPhilips screw driver with shortshank or blade and a shortedhandle used to turn screws intight space where standardscrew driver cannot be used.
![Page 18: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/18.jpg)
![Page 19: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/19.jpg)
Allen Screw Driver/Wrench.
This could be in the shape of a screw driver or a wrench. Its function is to drive screw with hexagonal slot head.
![Page 20: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/20.jpg)
A
B C
![Page 21: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/21.jpg)
HAMMERS
These are tools used in driving or poundingand pulling out nails. They are made of hard
steel, wood, plastic or rubber. The following are types of hammer:
A. Claw hammerB. Mallet(rubber head)C. Ballpeen hammer
![Page 22: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/22.jpg)
![Page 23: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/23.jpg)
PLIERS
These made from metal with insulators in the handle and are used for cutting, twisting, bending, holding, and gripping wires and cables.
![Page 24: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/24.jpg)
![Page 25: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/25.jpg)
A. Combination Pliers (Lineman’sPliers).
This is used for gripping, holding, and cutting electrical wires and cables and
even small nails. They are usually used by linemen in doing heavy tasks.
![Page 26: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/26.jpg)
![Page 27: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/27.jpg)
B. Side Cutting Pliers.
This type of pliers is used for cutting fine,
medium and big wires and cables.
![Page 28: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/28.jpg)
![Page 29: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/29.jpg)
C. Long Nose Pliers.
This is used for cutting and holding fine
wires. This can reach tight space or small opening where other pliers cannot reach and also used in making terminal loops of copper wires.
![Page 30: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/30.jpg)
![Page 31: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/31.jpg)
Wire Stripper-
A tool used for removing insulation of medium sized wires ranging from gauge #10 to gauge #16.
![Page 32: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/32.jpg)
![Page 33: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/33.jpg)
Electrician’s Knife.
This is used by linemen to remove insulation of wire and cables in low and high voltage transmission lines.
![Page 34: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/34.jpg)
![Page 35: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/35.jpg)
Portable Electric drill.
A small drilling machine with a chuck capacity of ¼‖ to 3/8‖. It is used in making holes on metal sheets and concrete walls.
![Page 36: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/36.jpg)
• 2. Combination Pliers• 3. Long Nose Pliers• 4. Philips Screw driver• 5. Claw Hammer• 6. Wire Stripper• 7. Portable electric drill• 8. Stubby screw driver• 9. Electrician’s knife• 10. Male plug• 11. Fuse• 12. Utility box• 13. Conduits• 14. Connectors• 15. Circuit Breaker• 16. Junction box• SELF CHECK• 1. rat tail• 2. plain tap• 3. duplex cross• 4. y splice• PRE-TEST• 1. b• 2. a• 3. d• 4. c• SELF CHECK
![Page 37: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/37.jpg)
Electrical Supplies and Materials
![Page 38: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/38.jpg)
Electrical materials are developed and constructed for a
special purpose such as to:1. control the flow of current in an electrical circuit;2. carry electrical current from the source to the
load or current consuming apparatus;3. hold and secure wires to its fixtures inside and
outside houses and buildings; and4. protect the houses, buildings, appliances’ and
instruments from any destruction anddamage.
![Page 39: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/39.jpg)
The following are the most commonly used electrical
materials.
![Page 40: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/40.jpg)
Surface type (duplex)
Flush type (duplex)
![Page 41: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/41.jpg)
Convenience outlet
a device that acts as a convenient source of electrical energy for current consuming appliances. It is where the male plug of an appliance is inserted and usually fastened on the wall or connected in an extension cord. It maybe single, duplex, triplex or multiplex and could be surface type or flush type.
![Page 42: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/42.jpg)
![Page 43: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/43.jpg)
Male plug-
a device inserted to a convenience outlet to conduct electric current. A flat cord is attached to it on one end and the other end is connected to a current consuming instrument or appliance.
![Page 44: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/44.jpg)
![Page 45: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/45.jpg)
Lamp holders-
devices that hold and protect the lamp and are also called as ―Lamp Sockets/Receptacles‖. These come in many designs and sizes. They are
classified as flush, hanging (weatherproof/chain) and surface types.
![Page 46: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/46.jpg)
Flush type Hanging (chain)
Surface typeHanging (weather)
![Page 47: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/47.jpg)
Surface type Flush type
Hanging type
![Page 48: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/48.jpg)
Switch
a device that connects anddisconnects the flow of electric current
in acircuit. There are many shapes,
designs,and types and they are classified ashanging, flush, and surface types
![Page 49: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/49.jpg)
Knife blade
Cartridge
Plug type
![Page 50: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/50.jpg)
Fuse
a circuit protective device that automatically blows and cut the current when and over load or short circuit happens.
![Page 51: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/51.jpg)
![Page 52: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/52.jpg)
Circuit Breaker
a protective device used to automatically blows and cuts the current when trouble in the circuit such as short circuit or overload occurs.
![Page 53: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/53.jpg)
Plastic
Metal
![Page 54: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/54.jpg)
Junction Box
an octagonal shaped electrical material where the connections or joints of wires are being done. It is also where the flush type lamp holder is attached. This could be made of metal or plastic (PVC) Polyvinylchloride.
![Page 55: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/55.jpg)
METAL
PLASTIC
![Page 56: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/56.jpg)
Utility Box
a rectangular shaped metallic or plastic (PVC) material in which flush type
convenience outlet and switch are attached.
![Page 57: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/57.jpg)
![Page 58: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/58.jpg)
Flat Cord-
Is a duplex stranded wire usedfor temporary wiring installation andcommonly used in extension cordassembly. It comes in a roll of 150 metersand with sizes of gauge # 18 and gauge #16 awg (American wire gauge).
![Page 59: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/59.jpg)
![Page 60: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/60.jpg)
Clamps
electrical materials used to holdand anchor electrical conduits in its properposition.
![Page 61: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/61.jpg)
![Page 62: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/62.jpg)
Connectors
used to attach metallic or non-metallic conduit to the junction or utility boxes.
![Page 63: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/63.jpg)
______________1. This is used for griping, holding, cutting electrical wires and cables
and even small nails. Usually used by linemen in doing heavy tasks.
______________2. Used for cutting and holding fine wires. This can reach tight space or
small opening where other pliers cannot reach and also used in making terminal loops of
copper wires.______________3. This has a cross tip resembling a
positive (+) sign. It is used to drivescrews with cross slot heads.
![Page 64: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/64.jpg)
______________4. This is tools used in driving or pounding and pulling out nails.
______________5. A tool used for removing insulation of medium sized wires ranging
from gauge #10 to gauge #16.______________6. A small drilling machine
with a chuck capacity of ¼‖ to 3/8‖. It is used in making holes on metal sheets and concrete walls.
![Page 65: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/65.jpg)
______________7. Comes in either Standard or Philips screw driver with short shank or
blade and shorted handle used to turn screws in tight space where standard screw driver
cannot be used.
![Page 66: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/66.jpg)
______________8. Used by linemen to remove insulation of wire and cables in low and
high voltage transmission lines.______________9. Is a device inserted to a
convenience outlet to conduct electriccurrent. A flat cord is attached to it on one end and
the other end is connected to acurrent consuming instrument or appliance.______________10. This is a circuit protective
device that automatically blows and cutthe current when an over load or short circuit
happens.
![Page 67: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/67.jpg)
______________11. This is a rectangular shaped metallic or plastic (PVC) material in
which flush type convenience outlet and switch are attached.
______________12. Are electrical materials used as the passage of wires for protection
and Insulation.______________13. Are used to attach
metallic or non-metallic conduit to the junction
or utility boxes.
![Page 68: Prepare electrical supplies 2](https://reader036.vdocument.in/reader036/viewer/2022062901/58f9aafe760da3da068b7ef6/html5/thumbnails/68.jpg)
______________14. This is a protective device used to automatically cut off the current
when trouble in the circuit such as short circuit or over load occurs.
______________15. Is an octagonal shaped electrical material where the connections or
joints of wires are being done. It is also where the flush type lamp holder is attached.