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When working on or near electricity or electrical equipment you must be trained in & use Electrical Safety Related Work Practices. 1910.331-.335. NFPA 70E 2004. These Standards apply to both Qualified Workers & Unqualified Workers. Electrical Safety Statistics.
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When working on or near electricity or electrical equipment you must be trained in & use Electrical Safety Related Work Practices 1910.331-.335 NFPA 70E 2004
These Standards apply to both Qualified Workers & Unqualified Workers
Electrical Safety Statistics • Average of 4,000 non-disabling and 3,600 disabling electrical contact injuries annually in the United States • One person is electrocuted in the workplace every day. • Electrocutions were the fourth leading cause of traumatic occupational fatalities. • 10-15 employees are sent to the hospital every day with electrical burns. • Over 4 workers every day go to the burn unit due to arc flash.
Electrical Safety Related Work Practices 29 CFR 1910.331 - .335 C .331 Scope C .332 Training C .333 LOTO - MAD’s - Safe work practices C .334 Use of equipment - Portable - Fixed - Test C .335 PPE & warning Based in part on NFPA 70 E Electrical Safety Related Work Practices.
TRAINING REQUIREMENTS NFPA 70E Covers you in General Industry & Construction 29 CFR 1910.332(b)(1): Employees shall be trained in and familiar with the safety related work practices required by 1910.331 through 1910.335 that pertain to their respective job assignments. 29 CFR 1926.21(b)(2): The employer shall instruct each employee in the recognition and avoidance of unsafe conditions and regulations applicable to his work environment to control or eliminate any hazards or other 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 a 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 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 trained to recognize and avoid electrical hazards. 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 toSubpart K - they mustprotect themselves againstALL 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 TAGGING1910.333(B)(2) • De-energized – release stored energy • Apply locks and tags • Verify de-energized condition
PERSONAL PROTECTIVE EQUIPMENT (PPE) • 29 CFR 1910.335(a)(1)(i): Employees working in areas where there are potential electrical hazards should be provided with, and should use, electrical protective equipment that is appropriate for the specific parts of the body to be protected and for the work to be performed.
TOOLS AND EQUIPMENT29 CFR 1910.335(a)(2)(i) • When working near exposed energized conductors or circuit parts, each employee shall use insulated tools or handling equipment might make contact with such conductors or parts.
Basic Rules of PPE • Never work on tasks with exposures greater than 40 cal/cm2 • Layering is required to lower thermal exposure to the body • No flammable or meltable clothing • Maximum coverage • Fit and comfortable • Maintenance of equipment
Category 1-Protective Requirements • FR Pants (4 cal/cm2) • FR Shirt (4 cal/cm2) • Hard hat • Safety Glasses • Worker may require leather gloves • V-Rated gloves and tools may be required for shock protection
Category 2-Protective Requirements • FR Pants (8 cal/cm2) • FR Shirt (8 cal/cm2) • Hard Hat • Safety Glasses • Arc-rated Face Shield • Leather Gloves • Leather Work Shoes • V-Rated gloves and tolls may be required for shock protection
Category 3-Protective Requirements • FR Pants (25 cal/cm2) • FR Shirt (25 cal/cm2) • Hard Hat • Safety Glasses • Flash Hood (25 cal/cm2) • Leather Gloves • Leather Work Shoes • V-Rated gloves and tools may be required for shock protection
NFPA 70E – Hazard Risk 4 • This hazard risk category represents tasks that pose the greatest risk of 2nd and 3rd Degree Burn. Some examples of tasks in this category are tasks that involve: • Removal of bolted covers (to expose bare, energized parts) when working with Motor Starters, 2.3 kV through 7.2 kV. • Opening voltage transformer or control power transformer compartments when working with Metal Clad Switchgear, 1kV and above.
Category 4-Protective Requirements • FR Pants (8 cal/cm2) • FR Shirt (8 cal/cm2) • Hard Hat • Safety Glasses • Flash Suit (40 cal/cm2) • Flash Hood (40 cal/cm2) • Leather Gloves • Leather Work Shoes • Hearing protection • V-Rated gloves and tolls may be required for shock protection
Electrical Hazards • Electric shock • Arc flash • Arc blast • Dr. Ralph Lee 1982-wrote paper • 1987 accepted by electrical experts • 1995 NFPA70E addresses arc & blast hazards
Train your workers on electrical hazards!!!!!! DemandTHE POSSIBLE