OSHA Electrical Safety Standards 2

Question 1

Under OSHA's lockout/tagout standard (29 CFR 1910.147), who is authorized to remove a lockout device?

Accepted Answer

The employee who applied it, or per a documented removal procedure if absent

Answer

Any coworker on the shift

Answer

The facility security guard

Answer

Any supervisor at will

Question 2

What is the primary purpose of grounding electrical equipment?

Accepted Answer

To provide a low-resistance path for fault current to safely dissipate

Answer

To increase voltage output

Answer

To reduce electricity costs

Answer

To speed up motors

Question 3

A GFCI protects workers primarily by detecting what condition?

Accepted Answer

An imbalance between hot and neutral current (ground fault)

Answer

Excessive heat in the wire

Answer

Low battery voltage

Answer

Loose terminal screws

Question 4

OSHA requires that flexible cords and cables be protected from which hazard?

Accepted Answer

Damage from sharp corners, pinching, or vehicle traffic

Answer

Sunlight only

Answer

Being coiled when stored

Answer

Color fading

Question 5

Which condition allows work on energized parts under OSHA rules?

Accepted Answer

When de-energizing introduces greater hazard or is infeasible

Answer

When it is more convenient than de-energizing

Answer

Whenever the worker feels confident

Answer

During any routine maintenance

Question 6

What does the color of an electrical conductor's insulation typically indicate?

Accepted Answer

The conductor's function such as hot, neutral, or ground

Answer

The manufacturer brand

Answer

The wire's age

Answer

The installation date

Question 7

Why must overcurrent protection devices (fuses/breakers) be sized correctly?

Accepted Answer

To interrupt current before conductors overheat and cause fire

Answer

To match the wall color

Answer

To make lights brighter

Answer

To reduce electricity bills