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
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
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