When working on or near electricity or electrical equipment

you must be trained in & use Electrical Safety Related Work

Practices

1910.331-.335

NFPA 70E2004

These Standards apply to both

Qualified Workers

&

Unqualified Workers

Electrical Safety StatisticsElectrical Safety Statistics

• Average of 4,000 non-disabling and 3,600 Average of 4,000 non-disabling and 3,600 disabling electrical contact injuries annually in the disabling electrical contact injuries annually in the United StatesUnited States

• One person is electrocuted in the workplace One person is electrocuted in the workplace every day.every day.

• Electrocutions were the fourth leading cause of Electrocutions were the fourth leading cause of traumatic occupational fatalities.traumatic occupational fatalities.

• 10-15 employees are sent to the hospital every 10-15 employees are sent to the hospital every day with electrical burns.day with electrical burns.

• Over 4 workers every day go to the burn unit due Over 4 workers every day go to the burn unit due to arc flash.to arc flash.

Electrical Safety Related Work Practices29 CFR 1910.331 - .335

.331 Scope

.332 Training

.333 LOTO - MAD’s - Safe work practices

.334 Use of equipment - Portable - Fixed - Test

.335 PPE & warning

Based in part on NFPA 70 E Electrical Safety Related Work Practices.

TRAINING REQUIREMENTSTRAINING REQUIREMENTS NFPA 70E Covers you in General Industry & NFPA 70E Covers you in General Industry & Construction Construction

29 CFR 1910.332(b)(1): Employees shall be trained in 29 CFR 1910.332(b)(1): Employees shall be trained in and familiar with the safety related work practices and familiar with the safety related work practices required by 1910.331 through 1910.335 that pertain to required by 1910.331 through 1910.335 that pertain to their respective job assignments.their respective job assignments.

29 CFR 1926.21(b)(2): The employer shall instruct 29 CFR 1926.21(b)(2): The employer shall instruct each employee in the recognition and avoidance of each employee in the recognition and avoidance of unsafe conditions and regulations applicable to his work unsafe conditions and regulations applicable to his work environment to control or eliminate any hazards or other environment to control or eliminate any hazards or other exposures to illness or injury. exposures to illness or injury.

What electrical hazard is responsible for nearly 80% of the accidents, incidents and fatalities among Unqualified Workers?

Electrocution

Usually associated with aUsually associated with alack of equipment grounding! lack of equipment grounding!

Scenario: You’re the foreman doing your walk around / inspection and you come upon a worker using a __________.

Floor buffing machine Vacuum cleaner

Portable electric tool You fill in the blank

What do we always find wrong?

Electrocution Hazard!

1926.416(e)(1) Cords & Cables.1910.334(a)(2)(i) Portable Electric

Equipment

Worn or frayed electric cords or cables shall not be used.

Don’t abuse, damage, or use for a rope.

Visually inspect before use.

Deformed / bent pins or blades, missing pins or blades, GROUND pin.

UNQUALIFIED WORKERSUNQUALIFIED WORKERS

• Are normally protected by the installation requirements by Subpart K or S (covers on no exposed live parts).

• However

• If their work exposes them to electrical hazards which would otherwise be protected -- they must be trained.

• Trained to recognize and avoid hazards encountered or likely to encounter while working.

Unqualified workers can’t be Unqualified workers can’t be trained to recognize and avoid trained to recognize and avoid

electrical hazards.electrical hazards.

Because it is common sense. Because it is common sense.

Qualified Workers

Are normally protected by the installation requirements by Subpart K or Subpart S.

However

When their work exposes them to electrical hazards which would otherwise be protected according to Subpart K - they must protect themselves against ALL the electrical hazards.

Shocks - Electrocution - Arc Blast - Burns -Explosion

80 % of the electrically related accidents, incidents, and

fatalities among Qualified Workers

Caused by

Arc Blast / Arc Flash

Qualified Workers

Shocks - Electrocution - Arc Blast - Burns -Explosion

Deenergize – LOTO

Use Personal Protective Equipment

Unless employer can demonstrate infeasibility or greater hazard.

LOCKOUT AND TAGGINGLOCKOUT AND TAGGING1910.333(B)(2)1910.333(B)(2)

• De-energized – release stored energy De-energized – release stored energy

• Apply locks and tagsApply locks and tags

• Verify de-energized conditionVerify de-energized condition

PERSONAL PROTECTIVE PERSONAL PROTECTIVE EQUIPMENT (PPE)EQUIPMENT (PPE)

• 29 CFR 1910.335(a)(1)(i): Employees 29 CFR 1910.335(a)(1)(i): Employees working in areas where there are working in areas where there are potential electrical hazards should be potential electrical hazards should be provided with, and should use, provided with, and should use, electrical protective equipment that electrical protective equipment that is appropriate for the specific parts of is appropriate for the specific parts of the body to be protected and for the the body to be protected and for the work to be performed. work to be performed.

TOOLS AND EQUIPMENTTOOLS AND EQUIPMENT29 CFR 1910.335(a)(2)(i)29 CFR 1910.335(a)(2)(i)

• When working near exposed When working near exposed energized conductors or circuit parts, energized conductors or circuit parts, each employee shall use insulated each employee shall use insulated tools or handling equipment might tools or handling equipment might make contact with such conductors make contact with such conductors or parts.or parts.

Basic Rules of PPEBasic Rules of PPE

• Never work on tasks with Never work on tasks with exposures greater than 40 cal/cmexposures greater than 40 cal/cm22

• Layering is required to lower Layering is required to lower thermal exposure to the bodythermal exposure to the body

• No flammable or meltable clothingNo flammable or meltable clothing

• Maximum coverageMaximum coverage

• Fit and comfortableFit and comfortable

• Maintenance of equipmentMaintenance of equipment

Category 1-Protective Category 1-Protective RequirementsRequirements

• FR Pants (4 cal/cmFR Pants (4 cal/cm22))

• FR Shirt (4 cal/cmFR Shirt (4 cal/cm2)2)

• Hard hatHard hat

• Safety GlassesSafety Glasses

• Worker may require leather glovesWorker may require leather gloves

• V-Rated gloves and tools may be V-Rated gloves and tools may be required for shock protectionrequired for shock protection

Category 2-Protective Category 2-Protective RequirementsRequirements• FR Pants (8 cal/cmFR Pants (8 cal/cm22))• FR Shirt (8 cal/cmFR Shirt (8 cal/cm22))• Hard HatHard Hat• Safety GlassesSafety Glasses• Arc-rated Face ShieldArc-rated Face Shield• Leather GlovesLeather Gloves• Leather Work ShoesLeather Work Shoes• V-Rated gloves and tolls may be required V-Rated gloves and tolls may be required

for shock protectionfor shock protection

Category 3-Protective Category 3-Protective RequirementsRequirements• FR Pants (25 cal/cmFR Pants (25 cal/cm22))• FR Shirt (25 cal/cmFR Shirt (25 cal/cm22))• Hard HatHard Hat• Safety GlassesSafety Glasses• Flash Hood (25 cal/cmFlash Hood (25 cal/cm22))• Leather GlovesLeather Gloves• Leather Work ShoesLeather Work Shoes• V-Rated gloves and tools may be required V-Rated gloves and tools may be required

for shock protectionfor shock protection

NFPA 70E – Hazard Risk 4NFPA 70E – Hazard Risk 4• This hazard risk category represents This hazard risk category represents

tasks that pose the greatest risk of tasks that pose the greatest risk of 22ndnd and 3 and 3rdrd Degree Burn. Some Degree Burn. Some examples of tasks in this category examples of tasks in this category are tasks that involve:are tasks that involve:– Removal of bolted covers (to Removal of bolted covers (to

expose bare, energized parts) expose bare, energized parts) when working with Motor when working with Motor Starters, 2.3 kV through 7.2 kV. Starters, 2.3 kV through 7.2 kV.

– Opening voltage transformer or Opening voltage transformer or control power transformer control power transformer compartments when working compartments when working with Metal Clad Switchgear, 1kV with Metal Clad Switchgear, 1kV and above.and above.

Category 4-Protective Category 4-Protective RequirementsRequirements• FR Pants (8 cal/cmFR Pants (8 cal/cm22))• FR Shirt (8 cal/cmFR Shirt (8 cal/cm22))• Hard HatHard Hat• Safety GlassesSafety Glasses• Flash Suit (40 cal/cmFlash Suit (40 cal/cm22))• Flash Hood (40 cal/cmFlash Hood (40 cal/cm22))• Leather GlovesLeather Gloves• Leather Work ShoesLeather Work Shoes• Hearing protectionHearing protection• V-Rated gloves and tolls may be required for shock V-Rated gloves and tolls may be required for shock

protectionprotection

It does happen and it could It does happen and it could happen to you!!!!!!!happen to you!!!!!!!

Personal Protective Personal Protective EquipmentEquipment

Protective clothing after a Protective clothing after a Arc Flash IncidentArc Flash Incident

Electrical HazardsElectrical Hazards•Electric shockElectric shock

•ArcArc flash flash

•Arc blastArc blast

•Dr. Ralph Lee 1982-wrote paperDr. Ralph Lee 1982-wrote paper

•1987 accepted by electrical experts1987 accepted by electrical experts

•1995 NFPA70E addresses arc & 1995 NFPA70E addresses arc & blast hazardsblast hazards

Arc Flash and Arc BlastArc Flash and Arc Blast

Train your workers on electrical hazards!!!!!!

Demand THE POSSIBLE

Resource for workerResource for worker