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
rgatijnet1's avatar
rgatijnet1
Explorer III
Oct 01, 2020
Also you need to take in to consideration the wiring going to the 50A plug that you will be connecting to. If it is a long run from the source to the 50A pedestal you may already be marginal as far as voltage drop goes. Not all 50A plugs are wired to provide 100 amps of power.

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