Different Systems (Was Conduit inside the tracker pole) [RE-wrenches]

[mlafferty at universalenergies.com]

Allan Wrote:

>Per NEC 300-2 (c) (1), AC and DC circuits are permitted inside the same
enclosure, cable, or raceway.
>Or am I missing some fine print elsewhere?

All:

Brother John B's response gave me a very big sigh of relief... Since I
know he knows...  Maybe they finally got that nasty little exception out
of 2002 and I missed it.... Had to look.  

The "fine print" is in the Exception.... Exception: For solar
photovoltaic systems in accordance with 690.4(B).

690.4 Installation.
(B) Conductors of Different Systems. Photovoltaic source circuits and
photovoltaic output circuits shall not be contained in the same raceway,
cable tray, cable, outlet box, junction box, or similar fitting as
feeders or branch circuits of other systems, unless the conductors of
the different systems are separated by a partition or are connected
together.

Therein lies the basis for my reference in the previous post.

I've had some real challenges in the not too distant past with this
one... You try getting 5 "systems" (2 PV DC, 3 AC)
into, through, and back out of a 4" x 6" x 4' gutter when the UNION
ELECTRICIAN who was supposed to be doing the project just kind of didn't
want to finish.... Likely due to the fact he REALLY screwed up on his
in-wall conduits and their arrangement.

Well, guess who gets to push brooms.... Hey, it actually really looks
terrific inside and outside the gutter and works well, to boot.  On top
of that, tough inspector... LOVED it!  Points!  Bingo!

Maybe the "ol' fat guy with the big mouth" hasn't lost it, after all.
lol

Pray for Two Palm Trees and a Hammock!  


Matt Lafferty
Universal Energies Institute
mlafferty at universalenergies.com
(916) 422-9772
(916) 628-7694 Cell
(916) 914-2247 Fax
www.universalenergies.com

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