[SML] wire colors

[Alex Donkle]

Code still allows steel conduit to be used as a ground, however if it
was power inside of floor boxes then they likely used PVC conduit
routed underground.

Alex

On Mon, Jun 29, 2015 at 9:02 AM, Bill Nelson via Stagecraft
<stagecraft at theatrical.net> wrote:
>>> He may have specified what is a "shared neutral" configuration - which is
>>> not the same as "ground and neutral are the same thing".
>>
>> Well, yes and no.  The result of his design was a 4-pin connector,
>> with 3 3-Ø hot conductors, and one neutral shared among them.  The
>> "consultant" said to me, word-for-word, "Ground and neutral are the
>> same thing."  We did find that the metal cover of the floor pocket was
>> mechanically grounded back to the distro panel via the conduit, which
>> helped somewhat when exhibitors had modern electronic gear like sound
>> systems or computers.
>
> Ah, yes. I should have realized that it would be 3 phase.
>
> Doesn't the code allow conduit to be used as the grounding conductor? I would
> never specify such a set-up, but have seen it used.
>
> Bill
>
>
>
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