Question

What is wire gauge formula?

Answer 1

Although the NEC has nothing against mixing wire sizes as long as the smallest wire size is big enough, many municipalities do require all wire on the circuit to be the same size. Either they are worried about future mistakes caused by confusion, or they are just trying to simplify the job for their inspectors.Oct 7, 2004');})();(function(){window.jsl.dh('7','

Ok to mix wire gauges? - DoItYourself.com Community Forums

https://www.doityourself.com \u203a forum \u203a electrical-ac-dc

https://www.doityourself.com \u203a forum \u203a electrical-ac-dc

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Search for: Can you double up 12 gauge wire?

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#12 AWG is protected by a 20A fuse. Doubling #14, 12, 10, 8, ......wire to increase ampacity is not allowed. Doubling is allowed for much larger sizes.