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You are watching: 14-2 vs 12-2

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Preparing to wire my new home and have bought 12-2 wire and 20A breakers for all baths, my basement workshop, garage, and the kitchen/dining area. Purchased 14-2 wire and 15A breakers for all other outlet circuits and lighting circuits such as living room, hallways, and bedrooms. Now I"ve been told by a couple of other people that they would run 12-2 with 20A instead of the 14-2 with 15A breakers everywhere.I"m considering exchanging all of my 14-2 and 15A"s (about 2000" worth) for 12-2 and 20"s. Should I go with 12-2 and 20A"s in the bedrooms as well since they require arcfault breakers? Should I go with the 12-2 just to "overwire" a bit in the bedrooms for potential future loads such as computers (is 14-2 sufficient or 12-2 necessary for computers)? Would I be wasting money and some time since 14-2 is cheaper and easier to work with?Any thoughts/suggestions?

Absolutely go with 12-2 Wire and 20 Amp circuits. Not only are they less fire prone due to overloading, but you"ll thank yourself later.Other things to keep in mind:Keep lighting off of wall plug circuitsDo not "Back wire" plugs. It takes longer to use the screw posts but it"s far less prone to arcing and fires.Pull at least one extra circuit to the far end of the house for future use. (trust me on this).I always say spend a little more up front on the wiring so you only have to do it once.

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Why do you think you need a 20 amp circuit? WOuld a 15 amp circuit do the job? I bet it will. Even your computer center will not need more than 15 amps. Cripes, that"s 1550 watts. So why upsize? Bathrooms, garages, and utility rooms sure, there you will have hair dryers power tools and irons. I don"t see the need to overwire everything unless you can show the need.