Forum Discussion

supercub's avatar
supercub
Explorer
Oct 01, 2020

How long can you go on a 50 amp extension cord?

How long can you go on a store bought 50 extension cord? I need to run both AC's and lights TV etc, the normal things. Is 100 feet safe? or 75? or 50? or ? It's for a 38 ft Class A diesel. ...
Class A
pianotuna's avatar
pianotuna
Nomad III
Oct 01, 2020
Rich,

It depends more on the size of the wire.

SuperCub the entire run from the house panel to the RV needs to be considered. There are tables and voltage drop calculators that would give you a good idea of how thick the wire would need to be.

https://www.southwire.com/calculator-vdrop

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