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Dingy941's avatar
Dingy941
Explorer
Aug 06, 2019

AC Portable Generator Electrical Voltage Drop/Fluctuating

Purchased this used 2006 Ford E450 Toy Hauler a few months ago, had issues running roof AC I’d say the first time above 75 degrees, tried to have the roof AC serviced(has a service port already so the...
DrewE's avatar
DrewE
Explorer II
Aug 07, 2019
63V on the hot and 63V on the neutral could very well mean 126V between them, or no significant voltage droop. You need to measure the hot to neutral voltage to tell if it's drooping or not.

Can you plug the window air conditioner into an outlet protected by a GFCI? Does the GFCI trip? If so, it may have a significant (and dangerous) ground fault, an internal short to ground somewhere.

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