"Bingo. We didn't just fry the pump. We fried two thousand dollars' worth of buried copper, too."
Maya frowned. "So the pump sees low voltage, draws more current to compensate, overheats, and dies?" voltage drop calculator au
"Exactly," Jack said, wiping grease on his flannel. "Which is what the old bloke at the supply store recommended. 'She'll be right, mate.' " He sighed. "But at full tilt, that pump is trying to pull 30 amps. After 200 metres of skinny cable, the voltage isn't 24V anymore. It's more like 18V by the time it gets there." "Bingo
Jack reached into the glove box and pulled out a crumpled, dog-eared piece of paper. On it was a hand-drawn table: draws more current to compensate