![]() What kind of receptacle is it? If it is an ordinary 15- or 20-amp duplex receptacle, then yes, you'll probably find it hard to wire satisfactorily with #8. Without knowing more of the specifics, you almost certainly need conduit there instead of direct-burial cable. If you're only actually drawing 30-amps, then so what?įinally, I doubt seriously that the 8/2UF run near the pool meets code. If minimizing voltage drop was your objective in selecting #6 for a 30-amp feeder, using a larger breaker doesn't affect that. (For aluminum, then 40-amp or 50-amp.) If you want to reduce the amount of available power elsewhere, leave that "job" up to the breakers protecting the branch circuits at the subpanel. ![]() ![]() If it's copper, a 50-amp or 60-amp double pole breaker is what you want for that purpose. The purpose of the breaker at your main panel is to protect the #6AWG wire. Unless that panel can't handle more than 30 amps, it'd be better simply to increase size of the breaker. 2 for the 50amp camper and 2 for the shed. It's not a great solution, but it's better than shaving the skinned tails of the conductors. I’m wanting to wire a shed/man cave with the existing wiring that was used to power trailer house so I was wondering if I can switch that to 200 amp service instead of the current 100 and if there was a breaker that had 4 spots for wires coming out. Although, you are free to use the same wire size as the neutral and live. I am adding a 100 amp sub panel off the 100 amp main breaker. What About a 100 Amp Subpanel Wire Size The grounding wire size for the main panel can also work for the subpanel, especially if you’re dealing with a 100-amp service in both cases. Secondly, why 30-amp breaker(s)? Is it because the subpanel is rated for only 30 amps? If so, your best option may be to pigtail a short length of #8 or #10 in the main panel enclosure. What wire size do i use for a 100 amp sub panel. (I may have misunderstood what you meant by two breakers, but just wanted to make sure!)Ģ. ![]() It is potentially dangerous to use two independent breakers that are not designed to trip simultaneously because one pole will remain hot even after the other trips. Why do you have two breakers? If your run is to feed a subpanel, you should have one two-pole breaker, not two separate breakers. A couple of points right out of the chute:ġ. ![]()
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