[Elecraft] Why black is the hot wire

2015-09-17 Thread David Robertson
At the early part of the 20th century, when electricians were wiring houses (knob and tube), the color of the electrical wire was only black. The power companies found that one side of the power feed (center tap on 220) to the house or building had to be grounded to prevent voltage buildup on the

Re: [Elecraft] Why black is the hot wire

2015-09-17 Thread Matthew Cook
Yes this makes wiring 220V US equipment in foreign countries like VK even more exciting, since we're the other way round... Black is Neutral. 73 Matthew VK5ZM On 18 September 2015 at 02:41, David Robertson wrote: > At the early part of the 20th century, when electricians