[Boatanchors] 2nd Newbie Q

Nick England navy.radio at gmail.com
Thu Sep 11 12:20:04 EDT 2014


I still remember the "WHAT!" when, as a kid, I pointed out that my Dad
should use Black for ground when he was wiring a breaker panel. Whoa, we
were definitely coming from different worlds there....
Yep EIA says black is ground and NEC says black is hot.


Nick England K4NYW
www.navy-radio.com

On Thu, Sep 11, 2014 at 11:34 AM, WA5CAB--- via Boatanchors <
boatanchors at mailman.qth.net> wrote:

> A-C Mains (electrical) practice has always (at least since the 30's) been
> generally opposite to standard electronics practice, except for red, which
> is
> hot in both cultures.  Look for example in any Command Set (the generic
> term, not the AAF's function term) chassis and you will see black (or
> bare) for
> virtually all ground leads of any sort and black not usually used for
> anything else.  Generally the same in most US built sets.  It's just
> something
> that "you know" and don't conciously even think about.  So using white for
> Common would be contrary to common practice.
>
> In a message dated 09/11/2014 10:00:33 AM Central Daylight Time,
> k2gkk at hotmail.com writes:
> > I believe that your recommendation (in two-pair cables) of using Black
> > for the Common and White for the "Hot" runs counter to normal AC mains
> > practice for "polarity" and is likely to cause confusion and MAY result
> in
> > negative safety aspects. Otherwise, I understand your points.
> >
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