Switches installed in metal boxes are considered grounded as long as metal screws are used to mount the switch's metal strap to a metal box that has an equipment-grounding wire connected to it.

Question

Quizplus · Accepted Answer

When metal screws are used to mount the switch's metal strap to a metal box that has an equipment-grounding wire connected to it, the switch becomes grounded through the metal box and the equipment-grounding wire.

Switches Installed in Metal Boxes Are Considered Grounded as Long