backfeed
n.— «Backfeed is the term used to describe the sometimes lethal (to unsuspecting utility workers) voltage that appears on an apparently isolated circuit.» —“Brownouts strike city” by Christopher Diakopoulos Saratogian (Saratoga Springs, N.Y.) Mar. 30, 2006. (source: Double-Tongued Dictionary)
Further reading
It was a dark and stormy night. So begins the long and increasingly convoluted prose of Edwards Bulwer-Lytton’s best-known novel. Today the annual Bulwer-Lytton Contest asks contestants for fanciful first sentences that are similarly...
Aubrey in Waco, Texas, says her mother used to warn the kids against contracting honkus of the bonkus, a fanciful name for a contagious disease. This colloquial term probably comes from the words bonk and konk, meaning “to hit” or...