Journeyman Electrician Practice Test 7

10 free Journeyman Electrician practice questions in the real exam format, covering the official content areas, with an explanation for every answer.

Journeyman Electrician Practice Test 7Tutor mode

Question 1 of 10

General Electrical Knowledge

A 480Y/277-volt switchboard has exposed live parts on its front, and a concrete block wall faces it across the working space. What is the minimum depth of the working space?