FREE NEC Equipment for General Use Questions and Answers

Question 1

An electrician is replacing a two-wire, non-grounding-type receptacle in a location where no equipment grounding conductor exists in the outlet box.
Which of the following is NOT a permitted replacement according to NEC 406.4(D)?

Accepted Answer

A standard grounding-type receptacle connected to the grounded (neutral) conductor via a jumper.

Answer

A new non-grounding-type receptacle.

Answer

A GFCI-type receptacle marked 'No Equipment Ground.'

Answer

A standard grounding-type receptacle protected by an upstream GFCI device, with the receptacle marked 'GFCI Protected' and 'No Equipment Ground.'

Question 2

What is the maximum weight for a luminaire that is permitted to be supported solely by a standard outlet box, unless the box is specifically listed and marked for a greater weight?

Accepted Answer

50 lbs

Answer

25 lbs

Answer

35 lbs

Answer

70 lbs

Question 3

A 5 kW electric water heater is installed in a closet. The circuit breaker for the water heater is in a panelboard located down the hall and is not within sight of the appliance. To comply with NEC Article 422, what is required for the circuit breaker to serve as the disconnecting means?

Accepted Answer

It must be capable of being locked in the open position.

Answer

It must be labeled 'Water Heater Disconnect.'

Answer

It must be a GFCI type breaker.

Answer

It must be rated at least 150% of the appliance load.

Question 4

According to the NEC, a motor's disconnecting means must generally be located 'in sight from' the motor's location. What is the definition of 'In Sight From'?

Accepted Answer

Visible and not more than 50 feet distant from the other.

Answer

Visible and not more than 25 feet distant from the other.

Answer

Located on the same wall and within the same room as the other.

Answer

Accessible on the same floor level and within 100 feet of the other.

Question 5

An electrician is remodeling a bathroom and must install a new lighting switch. According to NEC 404.4(C), in which of the following locations is a switch NOT permitted to be installed?

Accepted Answer

Within the tub or shower space.

Answer

On the wall, 3 feet horizontally from the tub's edge.

Answer

Above the vanity countertop.

Answer

Adjacent to the entry door.

Question 6

According to NEC Article 408, every circuit in a panelboard must be legibly identified as to its specific purpose. Which of the following directory entries would be considered NON-COMPLIANT for a circuit breaker position that has no breaker or wiring installed?

Accepted Answer

Future Use

Answer

Kitchen Counter Receptacles

Answer

Master Bedroom Lights

Answer

Garage Door Opener

An electrician is replacing a two-wire, non-grounding-type receptacle in a location where no equipment grounding conductor exists in the outlet box.Which of the following is NOT a permitted replacement according to NEC 406.4(D)?

An electrician is replacing a two-wire, non-grounding-type receptacle in a location where no equipment grounding conductor exists in the outlet box.
Which of the following is NOT a permitted replacement according to NEC 406.4(D)?