grounding receptacle

grounding receptacle

[′grau̇nd·iŋ ri‚sep·tə·kəl]
(electricity)
A receptacle which has an extra contact that accepts the third round or U-shaped prong of a grounding attachment plug and is connected internally to a supporting strap, providing a ground both through the outlet box and the grounding conductor, armor, or raceway of the wiring system.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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So far, we've been dealing with regular grounding receptacles; now let's talk about ground fault circuit interrupters.