Mike Sokol's article about why a GFCI circuit trips (and how to troubleshoot) is, IMHO, excellent. The troubleshooting steps have techniques for those with a DC clamp-on ammeter.
Well worth the time to read--the 10X tip by itself is outstanding.
https://rvelectricity.substack.com/p...0-gfci-testing
Howard
Well worth the time to read--the 10X tip by itself is outstanding.
https://rvelectricity.substack.com/p...0-gfci-testing
Howard