What is a dead front?
Friday, January 10, 2020
The National Electrical Code (NEC) defines dead front as “without live parts exposed to a person on the operating side of the equipment.” So it means the component is not electrically live and does not have the potential to become live. This metal plate with openings to expose the breakers in the front of an electrical panel is one type of dead front. It protects anyone touching it from shock in two ways: the metal is isolated from the live parts of the panel and also grounded—so that, if the dead front does somehow briefly become live, the current flow to ground will immediately trip a breaker to shut off the electricity. A dead front can also be a non-conductive material, such as plastic at a dead-front type GFCI device or the face of a dead front plug.
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