ESC ESC Arc Flash & PPE Selection 2

Question 1

What voltage rating applies to Class 0 rubber insulating gloves?

Accepted Answer

1,000 volts AC

Answer

Class 0 rubber insulating gloves are rated for a maximum use voltage of 1,000 volts AC, proof-tested to 5,000V AC.

Question 2

What is the limited approach boundary?

Accepted Answer

The distance inside which only qualified persons may approach exposed energized conductors

Answer

The limited approach boundary is the distance from an exposed energized conductor within which only qualified electrical workers are permitted to work.

Question 3

What information must an arc flash warning label on electrical equipment include at minimum per NFPA 70E 130.5(H)?

Accepted Answer

The available incident energy or required PPE category, and the working distance used

Answer

NFPA 70E 130.5(H) requires arc flash labels to include at minimum the incident energy or PPE category and the working distance used in the analysis.

Question 4

The prohibited approach boundary is the distance within which:

Accepted Answer

Working on energized conductors is considered the same risk as direct contact

Answer

Within the prohibited approach boundary, the risk of electrical shock is considered equivalent to direct contact with the exposed energized part.

Question 5

What must always be worn over rubber insulating gloves during energized electrical work?

Accepted Answer

Leather protector gloves

Answer

Leather protector gloves must be worn over rubber insulating gloves to protect the rubber from puncture and mechanical damage while maintaining electrical protection.

(ESC) Electrical Safety Certification Practice Test

(ESC) Electrical Safety Certification Practice Test

ESC ESC Arc Flash & PPE Selection 2