Open ground

ItsFrank

Member
Location
California
Occupation
Electrician
Alright so I have 3 receptacles on 3 different circuits all are GFI’s. When using my plug tester I get an open ground to all of them, I went back and tightened all connected points for the ground all the way back to the sub and main panel. Everything tones out, even through the GFI’s if I wire nut the neut and ground together but, I still get a open ground reading on the tester. (It’s a outside quad area, in Irvine CA. In case folks know local codes) any suggestions for troubleshooting is appreciated.
 

petersonra

Senior Member
Location
Northern illinois
Occupation
engineer
Thanks, that’s was it. Now I can overthink other stuff.
make sure you throw the bad tester away. better yet, hit it with a hammer a few times first so someone does not recover it from the trash can thinking they got a free thing.

I am amazed at how people will hold on to stuff that they know does not work.
 
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