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Asking for advice. My wife bought a “she shed” and wants some outlets and lights put in. Should I go with 12/2 with ground or is 14/2 big enough. We do plan on using a 110 window unit air conditioner.
WOW- you are WAY off.Using a supply with three phase conductors and a ground kinda gives you two circuits. What you really have is two hot lines and one neutral. This configuration means that the neutral will carry the combined load of both circuits. Maybe not a problem here, just sayin'. The wisdom of placing GFCI receptacles downstream of GFCI/AFCI breakers is much discussed. Do a search on Mike Holme's forums for some interesting reading on this. Practically speaking, you probably could throw a hunk of Romex out the window and hook it up, no problem. Maybe the place where the shed came from has some plans or drawings for reference.
This is all true. Go with the two hots and a neutral.WOW- you are WAY off.
1. Normal residential circuits are single phase.
2. This is a well accepted wiring method referenced in NEC.
3. Wired this way, neutral only carries unbalance current. Greatest load on neutral is when 1 conductor is loaded to rated capacity and other conductor has no load. As load on other conductor increases, neutral current decreases.