A/C work on 15 amp circuit?
Afternoon all! I have a 13,500 A/C unit in my trailer. The trailer power is 30amp. Is it safe to run my trailers A/C on the 115V 15amp supply at the trailer storage place? I don't want to run it for l...
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joebedford wrote:I thought I'd better verify my own advice. My RV is at home and is plugged into an exterior 15A GFCI (No, it's NOT on a 20A breaker). I measured 115.5V at the plug. I started my bedroom AC - fan slowed quite a bit when the compressor started. I measured the voltage at the exterior GFCI on the RV: 113.5V.
If it starts and your cords are heavy enough that they don't warm up, you're good.
I guess that 2V drop is acceptable and expected considering I have a 50' 50A cord, then a 50/30 dogbone, then a 25' 30A extension, then a 30/15 adapter.
