Practice test

California Journeyman Electrician Practice Test

Free California journeyman electrician practice test with 20 NEC-based questions. Covers grounding, load calculations, and wiring methods. Instant scoring.

These questions are for study practice only and are not official exam questions.

Question 1

1

Nonmetallic-sheathed (NM) cable must be secured within what distance of an outlet box and at what maximum intervals along the run?

Question 2

2

Which of these dwelling receptacle locations requires GFCI protection under NEC 210.8?

Question 3

3

What minimum depth of clear working space does the NEC require in front of a 120/240-volt residential panelboard?

Question 4

4

Using the NEC table for equipment grounding conductors, what is the minimum size copper EGC for a branch circuit protected by a 60-ampere breaker?

Question 5

5

In a standard dwelling load calculation, what unit load does the NEC assign for general lighting and receptacles?

Question 6

6

A dwelling has a 5 kW air-conditioning load and a 10 kW electric space-heating load that never operate at the same time. How are these handled in the service calculation?

Question 7

7

Using the NEC demand table for household ranges, what demand load is used for one 12 kW electric range in a dwelling service calculation?

Question 8

8

Under the NEC optional method for a single dwelling, how is the general load (lighting, appliances, and similar loads) converted to a demand load?

Question 9

9

What is the minimum length of a driven rod electrode under the NEC?

Question 10

10

A detached garage is supplied by a feeder from the house. Under the current NEC, how are the neutral and grounding conductors handled at the garage panel?

Question 11

11

How many hours of qualifying work experience are required to sit for the California General Electrician certification exam?

Question 12

12

A concrete-encased electrode (Ufer ground) using steel reinforcing bars must consist of at least how many feet of bare rebar not smaller than 1/2 inch in diameter?

Question 13

13

What minimum load does the NEC require for a household electric clothes dryer in a service calculation?

Question 14

14

Which California agency issues the General Electrician certification?

Question 15

15

Which statement about California electrician credentialing is accurate?

Question 16

16

Per NEC 250.4, why is the earth itself NOT permitted to serve as the effective ground-fault current path?

Question 17

17

A service is supplied by 500 kcmil copper conductors. Per the NEC table for grounding electrode conductors, what is the minimum copper GEC to a metal water pipe electrode?

Question 18

18

What load must be included in a dwelling service calculation for the required laundry branch circuit?

Question 19

19

What are the renewal requirements for a California General Electrician certification?

Question 20

20

A 4,500-watt, 240-volt storage water heater is installed in a dwelling. What is its full-load current draw?

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