ring main
noun/ˈrɪŋ meɪn/
/ˈrɪŋ meɪn/
(specialist)- an arrangement of cables that allows electricity to be supplied to a series of places from either of two directions
- (also ring circuit)(specialist) an arrangement of wires that supply electricity to several different places in a room or building
- an arrangement of connected pipes that allows water, steam, etc. to enter and leave a system
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ring main