earth return


noun

the return path for an electrical circuit made by connections to earth at each end

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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example sentences from the Web for earth return

  • These earth-return cables are connected in series with special low-voltage dynamos (called negative boosters) at the substation.