[sdiy] Wire Colour coding

[Tom May]

"David Reichert" <sysyphus at sympatico.ca> writes:

> Hello all,
> 
> Apart from the obvious Red means +ve power, black means -ve power, green
> means ground and white means neutral (I still don't know how that
> differs from ground),

In the interest of finding out the answer to ground vs. neutral, I
will put forth my own straw man answer: ground doesn't (normally)
carry current, so it won't have an I^2R loss, and if it does need to
fulfill its safety function it is a dedicated fat current pipe, as
opposed to neutral which is already in use.

Tom.