outdoor compact flourescents [RE-wrenches]

[Bob-O Schultze, Electron Connection]

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Drake,
In my opinion, no. I suspect it's just because no one thought about 
very small systems when that piece of the Code was written. If 
someone did think about it, they possibly concluded that because 
batteries have such a high short circuit current, a large conductor 
was needed to prevent melt down. There may be something to that, but 
if so, I question whether 2/0 would be large enough!
There is a different Code requirement that says that you can't 
parallel wires less than 1/0. Kinda the same thing. No one considered 
paralleling for voltage drop in low voltage DC systems. Hopefully at 
some point down the road, those things will be addressed.
Best, bob-O


>Thanks to all who responded to my question about outdoor compact 
>fluorescent lighting.  We will spec them out for the sign bids.
>
>One other question about this project:
>
>The Code permits approved wire in sizes 2/0 and larger in battery 
>boxes.  Since we are going to have a load of one 13 W CF light and 
>ballast with a Trace C-12 charge control, we likely won't be needing 
>2/0 cable (ahem).
>
>Is there any code rational for using a sane sized wire in such an application?
>
>Drake

-- 
Bob-O Schultze, Electron Connection
PO Box 203, Hornbrook, CA 96044
800.945.7587 or 530.475.3402
fax 530-475-3401
www.electronconnection.com

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