ring main

noun

1. a domestic electrical supply in which outlet sockets are connected to the mains supply through a ring circuit

Example Sentences

Duncan Baker, Conservative MP for North Norfolk, said one of the reasons construction costs were high was the lack of a shared offshore ring main, which meant windfarms needed to run separate cables to onshore substations.

From BBC

Things to do: Thriving independent shops ring Main Street, line Old Columbia Pike and offer multitudes of things for daily living.

From Washington Post

The prince will then attend the cattle ring, main ring and sheep ring, and a reception for the Prince's Countryside Fund, of which he is president.

From BBC

“Ring up Mr. Turner,” was penciled half a dozen times in the office boy’s round, sprawling hand, with various additions, “Important,” “Urgent,” “At once,” “Ring 698, Lincoln;” that was Harris and Wheeler’s; “Ring Main, 422;” that was Claxton Brothers.

From Project Gutenberg

In order to generate the power we need, we must use the power of the sun on massive batteries of solar cells encircling the globe and connected by a ring main also encircling the globe with spurs to north and south.

From BBC