Beta Test 1

A journeyman electrician is installing a 240-volt, single-phase electric vehicle (EV) charging station at a residential property. The charging station has a continuous load rating of 40 amperes. According to the National Electrical Code (NEC), what is the minimum size of the circuit breaker required for this installation?

40 A

50 A

60 A

70 A

What is the maximum allowable voltage drop for a branch circuit serving a 120-volt, single-phase, 15-ampere load with a conductor length of 100 feet, according to the National Electrical Code (NEC)?

3.6 volts

4.6 volts

5.6 volts

6.6 volts

What is the minimum size equipment grounding conductor required for a circuit using 4 AWG copper conductors and protected by a 90-ampere overcurrent protection device?

4 AWG

6 AWG

10 AWG

8 AWG

what is the maximum number of 12 AWG THHN conductors permitted in a 3/4-inch Electrical Metallic Tubing (EMT)?

what is the minimum required working space in front of a 480V switchgear, measured from the live parts or the enclosure, under Condition 3?

4ft

2ft

3ft

5ft

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