Wire for PV plugs: 7 strand or 37 strand? [RE-wrenches]

[Mick Abraham]

Hi, Wrenchies~

I'm nearly ready to start building my own plug leads to match the new 
style PV modules. Multi-Contact sells a 37 strand #10 wire...and I think 
the strands are tinned.

Common #10 sunlight resistant wire has only 7 strands...fatter ones... 
untinned. I would like to use up my remaining stock of 7 strand, but 
only if it will work OK with the plugs. Please advise, Wrenches.

I asked Ken Jeby (sales rep for Lou Marks & Sons) about this. He said 
that 7 strand works A-OK, is widely used for this, and is all that he 
can readily supply. He also said that 37 strand would be more difficult 
to work with...

I could switch over to 37 strand just to be on the safe side, but the 
Multi-Contact material is a bit more expensive, 1000 feet per spool, and 
not available in white.

Perhaps I should dust off my contact information for Anixter Wire. 
Perhaps one of you could suggest a source for the fine strand material. 
Or perhaps I should just stick with 7 strand and not worry about it.

Thanks as always,

Mick Abraham, Proprietor
www.abrahamsolar.com


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