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durtieduck
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Join Date: Jan 2011
Posts: 668
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12/2 Braided Wire

08/26/2012 9:27 PM

what' the the max. amp fuse i can use for 12/2 braided wire @12- 13.5v.
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Tornado
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Technical Fields - Technical Writing - New Member Engineering Fields - Piping Design Engineering - New Member

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Location: Richland, WA, USA
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#1

Re: 12/2 Braided Wire

08/26/2012 10:24 PM

I think the NEC says 20A. (The theoretical ampacity is higher, but a footnote contains this limitation.)

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RAMConsult
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#2

Re: 12/2 Braided Wire

08/27/2012 11:55 AM

It depends on a number of factors but an insulated conductor in air has the temperature rise vs. insulation material as the limitation. Is this for AC or DC? Here's a chart for 12V, length vs. wire size:

http://www.engineeringtoolbox.com/amps-wire-gauge-d_730.html

...and it accounts for voltage drop.

Here's another that's for auto wiring:

http://www.hotrodsandclassics.net/usefulinformation/wireandfusequide.htm

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cuba_pete
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#3

Re: 12/2 Braided Wire

08/27/2012 5:23 PM

Can use or should use?
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