ring main

ring main
ring main noun (electronics)
An electrical supply system in which the power-points and the mains are connected in a ring circuit
• • •
Main Entry:ring

Useful english dictionary. 2012.

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  • Ring circuit — In electricity supply, a ring final circuit or ring circuit (informally also ring main or just ring) is an electrical wiring technique developed and primarily used in the United Kingdom that provides two independent conductors for live, neutral… …   Wikipedia

  • ring — 1. n. & v. n. 1 a circular band, usu. of precious metal, worn on a finger as an ornament or a token of marriage or betrothal. 2 a circular band of any material. 3 the rim of a cylindrical or circular object, or a line or band round it. 4 a mark… …   Useful english dictionary

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