Ground Wire trips GFI for Light - Stray Voltage?

[RichardU]

My GFI has one spa light and two pool lights. The spa and one pool light work fine. The second pool light trips the GFI whether there is a bulb in it or not.
I have tested three different GFIs and they all act the same.

The ground wire for the second pool light is connected to a bus that includes the bonding wires.

If I disconnect the ground wire to the second pool light, all lights work without tripping the GFI. I read somewhere that indicates stray voltage.

Where do I go from here?

Cheers, Richard

 

[1poolman1]

Replace the light, there is current leakage somewhere in the fixture or cord. That is what a GFCI senses, current going somewhere it shouldn't.
If a light trips the GFCI, it is always safest, and usually the only way to solve the issue. There is no way to repair a pool light.