12V Cable Sizing for Caravans and 4x4s: Voltage Drop, Current Ratings and the mm vs mm² Trap
Ask ten people what size cable to run to your fridge and you’ll get ten answers, most of them wrong, and a fair few of them dangerous. The problem isn’t that cable sizing is hard. It’s that almost everyone is answering the wrong question. There are two separate limits on a cable, and they have […]