Licensed Electrical Contractor Licensed Electrical Contractor OSHA Safety Standards Questions and Answers 2

Question 1

Under OSHA 29 CFR 1926.405, what is the maximum allowable length for a temporary power cord on a construction site before a ground-fault circuit interrupter (GFCI) is required?

Accepted Answer

There is no length limit; GFCIs are always required for temporary wiring

Answer

25 feet

Answer

50 feet

Answer

100 feet

Question 2

According to OSHA's electrical safety standards, what is the minimum approach distance for a qualified electrical worker near exposed energized parts operating at 601 to 750 volts?

Accepted Answer

2 feet 2 inches

Answer

1 foot

Answer

3 feet 6 inches

Answer

5 feet

Question 3

What does OSHA require an employer to do before employees work on deenergized electrical equipment?

Accepted Answer

Implement lockout/tagout procedures per 29 CFR 1910.147

Answer

Post a warning sign near the equipment

Answer

Notify the local utility company

Answer

Assign a safety watch person to monitor the area

Question 4

Under OSHA 29 CFR 1926.416, which of the following is a required safety practice when working near overhead power lines on a construction site?

Accepted Answer

All equipment must maintain at least 10 feet of clearance from lines up to 50 kV

Answer

Workers must wear rubber-soled boots at all times

Answer

A licensed electrician must be present on site

Answer

The utility company must deenergize the lines before any work begins

Question 5

According to OSHA, what color must the grounding conductor insulation be in a fixed electrical installation?

Accepted Answer

Green or green with yellow stripes

Answer

White or gray

Answer

Red

Answer

Blue

Question 6

What is the primary purpose of an assured equipment grounding conductor program (AEGCP) under OSHA 29 CFR 1926.404?

Accepted Answer

To ensure the grounding path of cord sets and receptacles is continuously maintained

Answer

To replace the need for GFCI protection on construction sites

Answer

To provide an alternative to lockout/tagout procedures

Answer

To test the insulation resistance of all electrical tools monthly