Journeyman Electrician Practice Exam

Front

Branch circuit

Back

A circuit that supplies power to one or more outlets or devices

Front

Calculate the total load in amperes for a circuit with a voltage of 240V and a power consumption of 4800W.

Back

20A

Front

Characteristic of alternating current (AC)?

Back

It changes direction periodically

Front

What is the minimum size of a grounding electrode conductor for a 200A service?

Back

6 AWG

Front

What is the maximum allowable voltage drop for branch circuits according to the NEC?

Back

2%

Front

Which type of conduit is suitable for use in wet locations?

Back

PVC conduit

Front

What is the purpose of a circuit breaker?

Back

To protect the circuit from overload and short circuits

Front

What type of motor is commonly used in household appliances?

Back

Induction motor

Front

What is the function of a relay in an electrical circuit?

Back

To automatically control the circuit based on input signals

Front

What is the NEC requirement for wiring in hazardous locations?

Back

Use of explosion-proof equipment