polarized receptacle

polarized receptacle

[′pō·lə‚rīzd ri′sep·tə·kəl]
(electricity)
A receptacle designed for use with a polarized plug, to ensure that the grounded side of an alternating-current line or the positive side of a direct-current line is always connected to the same terminal on a piece of equipment.

polarized receptacle

polarized receptacle
An electric receptacle having contacts arranged so that a mating plug can be inserted in it in only one orientation.
References in periodicals archive ?
The circuit tester has a simple arrangement of neon indicator lights (red, amber, and clear), which provides a convenient means of testing three-wire, 115-volt, AC single-phase, polarized receptacles.