His apprentice, Maya, scrolled through her phone. "The spec sheet says the pump is 200 metres from the battery shed, Jack. We used 6mm² cable."
Maya frowned. "So the pump sees low voltage, draws more current to compensate, overheats, and dies?" voltage drop calculator au
"I do," Jack said, pulling out his battered phone. "But the AS/NZS 3008 standard is a guide. The real calculator is out here." He waved at the vast, red-dirt horizon. "In the Pilbara, voltage drop isn't just a number. It's the difference between a system that lasts ten years and a bonfire by Christmas." His apprentice, Maya, scrolled through her phone
"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." "So the pump sees low voltage, draws more