Ring circuit

Diagram of a possible configuration of ring final circuit. Consumer unit (fuse box) is at bottom left.

In electricity supply, a ring final circuit or ring circuit (often incorrectly called a ring main or informally a ring) is an electrical wiring technique developed and primarily used in the United Kingdom. This design enables the use of smaller-diameter wire than would be used in a radial circuit of equivalent total current. Flexible cords connected between appliance and plugs intended for use with sockets on a ring circuit are individually protected by a fuse in the plug.

单词	Ring circuit
释义	Ring circuit 英语百科 Ring circuit In electricity supply, a ring final circuit or ring circuit (often incorrectly called a ring main or informally a ring) is an electrical wiring technique developed and primarily used in the United Kingdom. This design enables the use of smaller-diameter wire than would be used in a radial circuit of equivalent total current. Flexible cords connected between appliance and plugs intended for use with sockets on a ring circuit are individually protected by a fuse in the plug.
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