Gary, I have several articles on this on my personal website. Here is the place for you to start: https://gilwellbear.wordpress.com/category/boat-technical-topics/electrical-topics/boat-ac-topics/ac-safety-tests-for-boats/ <https://gilwellbear.wordpress.com/category/boat-technical-topics/electrical-topics/boat-ac-topics/ac-safety-tests-for-boats/> If you have issues, here's an article that will help you isolate causes: https://gilwellbear.wordpress.com/category/boat-technical-topics/electrical-topics/boat-ac-topics/ground-faults-and-ground-fault-sensors/ <https://gilwellbear.wordpress.com/category/boat-technical-topics/electrical-topics/boat-ac-topics/ground-faults-and-ground-fault-sensors/> Hope this is useful. Jim Peg and Jim Healy, living aboard Sanctuary http://gilwellbear.wordpress.com <http://gilwellbear.wordpress.com/> Monk 36 Hull #132 MMSI #367042570 AGLCA #3767 MTOA #3436

On Thursday, July 16, 2020, 11:36:38 AM CDT, Jim Healy <gilwellbear@gmail.com> wrote:  

Perfect.  Thanks much Jim.  I will study them. Gary Hagstrom Iron River, Wisconsin On Thursday, July 16, 2020, 11:36:38 AM CDT, Jim Healy <gilwellbear@gmail.com> wrote: Gary, I have several articles on this on my personal website. Here is the place for you to start: https://gilwellbear.wordpress.com/category/boat-technical-topics/electrical-topics/boat-ac-topics/ac-safety-tests-for-boats/ If you have issues, here's an article that will help you isolate causes: https://gilwellbear.wordpress.com/category/boat-technical-topics/electrical-topics/boat-ac-topics/ground-faults-and-ground-fault-sensors/ Hope this is useful. Jim Peg and Jim Healy, living aboard Sanctuaryhttp://gilwellbear.wordpress.comMonk 36 Hull #132 MMSI #367042570 AGLCA #3767 MTOA #3436