Heat element & shore gfci
Hello Shore gfci questions here. Like many others I now have an issue when plugged into shore power gfci at home (I've used this same outlet for 5+ yrs and tried another circuit to confirm this out...
Forum Discussion
enblethen wrote:And as is so typical, the first response is yet another incorrect one, by a moderator/staff member no less. Trying to convince people that GFCIs do zero-current neutral-ground detection is an uphill climb.
This is from Mike Holt forum
The 2006 edition of UL943 includes a test for neutral-ground detection, so the requirement goes back at least that far. See section 6.7.1.2 http://www.3c-test.com/de/?m=Type&a=download&id=189
This article explains how one implementation works. The short version is that a neutral-ground fault results in the sense amplifier oscillating. https://www.powerelectronictips.com/teardown-leviton-ground-fault-circuit-interrupter/
