OSHA OSHA - Safety Certificate Electrical Safety Standards Questions and Answers 2

Question 1

What is the minimum approach distance for an unqualified worker near exposed energized parts operating at 50 kV?

Accepted Answer

10 feet

Answer

6 feet

Answer

20 feet

Answer

3 feet

Question 2

Under OSHA's Lockout/Tagout standard, what must be done BEFORE servicing equipment that has stored electrical energy in capacitors?

Accepted Answer

The stored energy must be dissipated or restrained before servicing begins

Answer

A warning sign must be posted near the capacitors

Answer

The circuit breaker must be switched off only

Answer

The equipment must be unplugged and left for 24 hours

Question 3

Which OSHA standard specifically addresses electrical safety requirements for construction work?

Accepted Answer

29 CFR 1926 Subpart K

Answer

29 CFR 1910 Subpart S

Answer

29 CFR 1926 Subpart P

Answer

29 CFR 1910 Subpart Z

Question 4

What color is the standard insulation for a grounding conductor according to OSHA and NEC requirements?

Accepted Answer

Green or green with yellow stripes

Answer

White

Answer

Black

Answer

Red

Question 5

According to OSHA, what is the primary purpose of Ground Fault Circuit Interrupters (GFCIs) on construction sites?

Accepted Answer

To protect workers from electrocution caused by ground faults

Answer

To prevent equipment overloads

Answer

To reduce electricity consumption

Answer

To protect circuits from short circuits

Question 6

Under OSHA regulations, at what voltage level must employers implement electrical safety work practices for employees?

Accepted Answer

50 volts and above

Answer

120 volts and above

Answer

240 volts and above

Answer

Any voltage level