Fluorescent Lights short ghost

[DrewSparky]

I have a ghost I’m chasing. I’m getting 8000 ohms from hot to neutral on a fluorescent lighting circuit that’s tripping a gfci that feeds this sub panel. The other circuits have 0 ohms hot to neutral. When I disconnect the hr neutral the ohms go away. I meggered out the hr and got 2000+ mega ohms between hot and neutral (I isolated the neutral at the panel). And I get gigs ohms hot to ground and neutral to ground. Any thoughts on how to chase this further or what could be going on? It’s a lithonia reloc system.

 

[synchro]

... The other circuits have 0 ohms hot to neutral. When I disconnect the hr neutral the ohms go away.

It sounds like a short circuit from hot to neutral which will immediately trip the magnetic part of the breaker. Try a regular breaker and see if it trips that.

 

[Fred B]

New install or trouble call?

 

[DrewSparky]

Trouble call

 

[petersonra]

I have a ghost I’m chasing. I’m getting 8000 ohms from hot to neutral on a fluorescent lighting circuit that’s tripping a gfci that feeds this sub panel. The other circuits have 0 ohms hot to neutral. When I disconnect the hr neutral the ohms go away. I meggered out the hr and got 2000+ mega ohms between hot and neutral (I isolated the neutral at the panel). And I get gigs ohms hot to ground and neutral to ground. Any thoughts on how to chase this further or what could be going on? It’s a lithonia reloc system.

maybe your ballast has failed.