Quote:
Originally Posted by KenSchmitz
On recent trip I plugged my trailer into a standard GFI outlet and it trips ... ...
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Greetings KenSchmitz ... First, I think you made an inadvertent typo. A bit of clarity: The term "inverter" normally refers to a device used to convert DC to AC, that is to create 120VAC power from our 12VDC battery. The term "converter" normally refers to a device used to convert AC to DC, that is to create 12VDC power from our 120VAC shore power.
The GFI device compares the load current (hot wire) to the return current (neutral wire). The two should be equal, and the GFI trips if the two are not equal. The normal cause for an imbalance between the two lines is current also flowing to ground so that the return path is divided between the neutral wire and the ground wire. Since such an imbalance is usually indicative of a safety issue, the GFI automatically shuts the power off.
Something in your trailer is creating a low resistance path between the neutral line and the grounding line. This condition creates an imbalance in the neutral wire current (as compared to load wire) at the GFI causing it to trip.
You might test for this condition by unplugging your trailer from shore power and use an ohm-meter to measure the resistance between the neutral line and ground on the power cord. It should measure as an open circuit. I suspect you will measure something close to a short condition.
Although the cause and solution is probably not the same, a very similar situation as yours was recently discussed and solved. I think you may find many of the opinions expressed in that thread useful:
https://www.forestriverforums.com/fo...fe-233483.html