Beta Test 1
Electrical Code Mastery Quiz
Test your knowledge of the National Electrical Code (NEC) with our comprehensive quiz designed for electricians, students, and anyone interested in electrical safety and regulations.
In this quiz, you will:
- Answer challenging multiple-choice questions.
- Enhance your understanding of electrical installations.
- Prepare for certification exams.
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
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