ScottG wrote:
Only two large items (AC & water heater for example) at a time when on 30A.
Actually that probably should be limited to ONE "large" item.....along with the stuff that you have little control over, like the battery converter/charger.
If your 50 A unit has only ONE air conditioner, just that alone probably comes close to the 30 Amp limit.
An overheated plug usually means a bad connection....or an overload....or a combination of the two.
The original post was a bit unclear about exactly what he has.....mentioning a 30 amp extension cord at the end of the post.
Normally one would use the regular 50 amp cord and the only 30 amp things in the circuit would be the adapter and the outlet.