PC Safety Practices & Risk Management 2

Question 1

Which OSHA standard primarily governs electrical safety in general industry workplaces?

Accepted Answer

29 CFR 1910.333

Answer

29 CFR 1926.404

Answer

29 CFR 1910.145

Answer

29 CFR 1926.501

Question 2

What is the minimum approach distance (MAD) used for in electrical safety?

Accepted Answer

The distance a worker must maintain from exposed energized conductors

Answer

The length of insulated gloves required

Answer

The spacing between circuit breakers in a panel

Answer

The distance between a meter and the service entrance

Question 3

A job hazard analysis (JHA) is best described as:

Accepted Answer

A formal study that identifies hazards associated with specific job tasks before work begins

Answer

A post-accident investigation report

Answer

An OSHA inspection checklist

Answer

A permit required before entering a confined space

Question 4

Which class of fire extinguisher is appropriate for energized electrical equipment fires?

Accepted Answer

Class C

Answer

Class A

Answer

Class B

Answer

Class D

Question 5

When using an insulated aerial lift near energized lines, workers must maintain a minimum clearance of how many feet from lines under 50 kV?

Accepted Answer

10 feet

Answer

3 feet

Answer

6 feet

Answer

15 feet

Question 6

What does the term 'flash boundary' refer to in NFPA 70E?

Accepted Answer

The distance at which an arc flash could cause a second-degree burn through unprotected skin

Answer

The point at which a circuit breaker trips during a fault

Answer

The minimum working clearance from a live panel

Answer

The boundary of a permit-required confined space

Question 7

Which document must be completed before performing hot work (welding or cutting) near electrical installations?

Accepted Answer

Hot work permit

Answer

LOTO authorization form

Answer

Equipment grounding log

Answer

Material safety data sheet