28 Questions
What is required when an employee is working within the restricted approach boundary?
Wearing PPE in accordance with 130.4
What should arc-rated clothing worn to protect an employee cover?
All ignitible clothing
What is the general requirement for protective equipment maintenance?
Safe, clean, and reliable condition
What is required for the head area protection when working within the arc flash boundary?
Protection for head, face, neck, and chin
What type of underlayers generally provide a higher system arc rating?
Arc-rated garments worn as underlayers
What should be done to potentially exposed areas according to the text?
Covered as completely as possible
What should be avoided in terms of clothing fit?
Tight-fitting clothing
What should the selected garment do in relation to the work task?
Provide the least interference with the task
What should the design of an arc flash suit permit?
Easy and rapid removal by the wearer
When should an arc-rated hood be used?
When the anticipated incident energy exposure exceeds 12 cal/cm2
What should face shields have in terms of arc rating?
An arc rating suitable for the arc flash exposure
What should be worn under face shields or hoods for eye protection?
Safety glasses or goggles
What is the minimum thickness for heavy-duty leather gloves?
0.03 in. (0.7 mm)
What type of footwear shall be used in exposures greater than 4 cal/cm2?
Leather, dielectric, or tested non-igniting footwear
What materials shall not be used for arc-rated clothing?
Synthetic materials that melt at temperatures below 315°C (600°F)
What is the primary purpose of arc-rated apparel fit?
To avoid interference with the work task
What type of protective equipment is necessary in areas with potential exposure to an electric arc flash above the threshold incident energy level?
Arc-rated clothing
In what situations is nonconductive protective equipment for face, neck, and chin required?
In danger of injury from electric arcs, flashes, or flying objects
What is mandatory whenever there is a danger of injury from electric arcs, flashes, or flying objects?
Eye protection
What is required for employees inside the arc flash boundary?
Hearing protection
What is necessary for protection against step and touch potential?
Insulated footwear
What type of garments are not permitted in fabric underlayers, with an exception for incidental elastic use?
Meltable fibers such as acetate, nylon, polyester, polypropylene, and spandex
What is required for electric shock protection in terms of hand and arm protection?
Rubber insulating gloves and protectors
What type of protective equipment must be used for worker protection from electric shock and arc flash hazards?
Protective clothing and equipment covering associated body parts
What is permitted as underlayers in conjunction with arc-rated garments in a layered system?
Nonmelting, flammable fiber garments
What is required for maintenance and use of electrical protective equipment?
In a safe, reliable condition, with regular inspections
What must outer layers worn over arc-rated clothing be made from?
Arc-rated material
What type of fibers are not permitted in fabric underlayers, except for incidental elastic use?
Meltable fibers such as acetate, nylon, polyester, polypropylene, and spandex
Study Notes
Electrical Safety Equipment Requirements Summary
- Employees must wear nonconductive head protection in areas with a risk of head injury from electric shock, burns, or flying objects.
- Nonconductive protective equipment for face, neck, and chin is required in danger of injury from electric arcs, flashes, or flying objects.
- Eye protection is mandatory whenever there is a danger of injury from electric arcs, flashes, or flying objects.
- Hearing protection is required for employees inside the arc flash boundary.
- Arc-rated clothing is necessary in areas with potential exposure to an electric arc flash above the threshold incident energy level.
- Hand and arm protection requirements include rubber insulating gloves and protectors for electric shock protection.
- Maintenance and use of electrical protective equipment must be in a safe, reliable condition, with regular inspections.
- Insulated footwear is required for protection against step and touch potential, with dielectric footwear mandated.
- Protective clothing and equipment for worker protection from electric shock and arc flash hazards must be used, covering associated body parts.
- Nonmelting, flammable fiber garments are permitted as underlayers in conjunction with arc-rated garments in a layered system.
- Outer layers worn over arc-rated clothing must also be made from arc-rated material.
- Meltable fibers such as acetate, nylon, polyester, polypropylene, and spandex are not permitted in fabric underlayers, with an exception for incidental elastic use.
Test your knowledge of electrical safety equipment requirements with this quiz. Learn about the essential protective gear and clothing needed to prevent injury from electric shock, arc flashes, and other workplace hazards.
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