A/C off of 20 amp service?
Has anyone ever heard of a single a/c unit not being able to start and run on a 20amp shore power circuit? We bought a new coach and the dealer says don't run a/c unless connected to a 30 amp servic...
Forum Discussion
DownTheAvenue wrote:OK but the OP referred to 20A shore plug which will also have the smaller wiring with the additional voltage loss vs a 30A or 50A plug. Plus the OP referred to a 20A home plug.CA Traveler wrote:
20A is definitely borderline because of the smaller wiring.
I'd be cautious about running a 15K BTU A/C on 20A.
This post makes no sense. The A/C circuit inside the RV will be a 20 amp circuit wired with a 12 gauge wire and a 20 amp circuit breaker.
What's the difference?
It's very typical that the problem is not the rig wiring but the voltage drop at the pedestal due to the 20A plug/wiring.
