Journeyman Electrician’s Exam Journeyman Electrician's NEC 2

Question 1

According to NEC Article 210, what is the minimum number of 20-ampere small appliance branch circuits required for a dwelling unit's kitchen and dining areas?

Accepted Answer

Two 20A circuits

Answer

NEC 210.11(C)(1) requires at least two 20-ampere small appliance branch circuits to serve receptacles in the kitchen, pantry, breakfast room, and dining room.

Question 2

Under NEC Article 230, service entrance conductors installed as service lateral must be protected from damage. What is the minimum burial depth for a service lateral installed in a residential driveway without conduit?

Accepted Answer

24 inches

Answer

NEC Table 300.5 requires 24 inches of burial depth for direct-buried conductors under driveways for one- and two-family dwellings.

Question 3

NEC 300.14 specifies the minimum length of free conductor that must be left at each outlet box. What is that minimum length?

Accepted Answer

6 inches

Answer

NEC 300.14 requires at least 6 inches of free conductor measured from where it emerges from the raceway or cable sheath at the outlet box.

Question 4

According to NEC 408.4, switchboards and panelboards must have each circuit and circuit modification marked to indicate its purpose. This marking must be:

Accepted Answer

On a legible directory inside the panel door

Answer

NEC 408.4(A) requires a legible directory of circuits to be posted inside the panelboard door or enclosure.

Question 5

Per NEC 250.122, if a 200-ampere circuit breaker protects a feeder, what is the minimum size equipment grounding conductor required for copper conductors?

Accepted Answer

#4 AWG copper

Answer

Per NEC Table 250.122, a 200-ampere overcurrent device requires a minimum #4 AWG copper equipment grounding conductor.

Journeyman Electrician’s Exam Practice Test

Journeyman Electrician’s Exam Practice Test

Journeyman Electrician’s Exam Journeyman Electrician's NEC 2