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Puny Bird
Join Date: Nov 2002
Location: Port Hope (near Toronto) On, Canada
Posts: 4,566
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Quote:
Originally Posted by rick-l
The reason you shouldn't run parallel wires is that if one becomes disconnected you wouldn't know it and it would no longer be protected by a breaker. A single 12 awg would conduct 30 Amps just fine until it got real hot.
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From what I've read #12 T-90, which is a stranded wire, is totally legal to 25amps and OK 30amps if it's just a spike on start up, but even licenced electricians are all over the map on this question.
I assume the maths may say they can, but it's easier to just go by the rule of thumb.
I'll look at the code when I have time and just run the #10 BX I have for now.
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'74 Porsche 914, 3.0/6
'72 Porsche 914, 1.7, wife's summer DD
'67 Bug, 2600cc T4,'67 Bus, 2.0 T1
Not putting miles on your car is like not having sex with your girlfriend, so she'll be more desirable to her next boyfriend.
Last edited by Mark Henry; 10-05-2015 at 08:13 AM..
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