Reverse Polarity code When Plugging in at Home

Thank you to all for your responses. You have given me the info and tools to test and fix this myself. We had to evacuate this morning due to fires in Santa Rosa, CA. I will fix it when I return.

You can verify or just fix it.

Turn off power at the breaker, remove the connector, reverse the Hot and Neutral, replace connector, restore power.





http://www.myrv.us/electric/Pg/30amp_Service.htm

MEXICOWANDERER wrote:
Whomever wired his EMS did it bass-ackwards. Anything reconnectable on the incoming shore power from plug to his breaker panel is reconnectable. But it is commonly it's in the umbilical cord.

you say he placed an EMS in the middle of the power cords. I'm guessing 1 shore power cord and 1 extension? That would mean that either the receptacle or the front power cord is wired wrong.

duplicate

A volt meter stuck in the long spot and the round hold should be zero.

Bobbo wrote:

wildtoad wrote:
Call an electrician and have them check the wiring.

This can be done before calling an electrician.

Go to a big box hardware store and buy a no-contact voltage tester. They are not expensive. That will tell you exactly which slot on your 30 amp outlet is hot. You can then tell if the outlet is wired backwards. With the round slot at the top, the hot slot should be lower left.

This is the best answer. And that tester is handy to have around any way. Here is how it should be wired.

http://www.myrv.us/electric/

Bpbbo, If you hare some elcheapo HF volt ohm meters laying around already, won't they suffice for the testing?

wildtoad wrote:
Call an electrician and have them check the wiring.

This can be done before calling an electrician.

Go to a big box hardware store and buy a no-contact voltage tester. They are not expensive. That will tell you exactly which slot on your 30 amp outlet is hot. You can then tell if the outlet is wired backwards. With the round slot at the top, the hot slot should be lower left.

Call an electrician and have them check the wiring.

Agreed, if OP was not using a polarity checker the garage outlet has likely been wrong from the get go and he never knew it.