Question 7019 of 790 · California General Electrician Exam
How must snap switches, including dimmers, be grounded?
Exactly one answer is correct.
You got of questions right. Here on the question pages nobody remembers which ones you got wrong. The trainer saves your progress and asks the mistakes again until they stick.
Or free: the 10 questions most people get wrong
Show solution
Correct answer to question 7019
- A: Their metal yokes must be connected to an equipment grounding conductor
Explanation
Section 404.9(B) requires snap switches, dimmers and similar control switches to be connected to an equipment grounding conductor, which also grounds metal faceplates. In a metal box the mounting screws can provide this connection.
More questions: Equipment, Devices and Luminaires
- 7021What is the maximum height of the center of a switch operating handle above the floor or working platform in its highest position?
- 7022An ac general-use snap switch controls a motor load. What is the maximum motor load relative to the switch rating?
- 7023Where are switches prohibited in a bathroom?
- 7024Snap switches in a single box have more than 300 volts between adjacent devices. What is required?
- 7027A hallway light must be controlled from three separate locations. Which combination of switches is used?
- 7028How many traveler terminals does a standard four-way switch have, not counting the grounding terminal?