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 1910.333 covers electrical safety-related work practices in general industry settings.

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

MAD defines the closest a qualified worker can approach energized conductors based on system voltage.

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 JHA proactively identifies hazards associated with each step of a task so controls can be implemented beforehand.

Question 4

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

Accepted Answer

Class C

Answer

Class C extinguishers use non-conductive agents and are rated for fires involving energized electrical equipment.

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

OSHA 29 CFR 1910.333 and NFPA 70E require at least 10 feet of clearance from unguarded energized lines up to 50 kV.

(PC) Professional Electrical Contractor Practice Test