Open ground question
When testing my coach outlets with a plug in tester it indicates " open ground" on all circuits when I am powering with my portable generator. The GFI circuits do not break but show the same open gro...
Forum Discussion
Salvo wrote:
That's the beauty of an unbonded system. Chances of GFI tripping are really remote! That means, YOU, getting killed from 120V is virtually non-existent.
Think of it as lines of defense. You're dead meat if you make 120V contact if bonded. There is no line of defense. Some receptacles have GFI. Now you got one line of defense, that is as long as the GFI is functional.
In an unbonded system, your first line of defense is the fact that neutral is not bonded to ground. Ground is isolated. You can grab a hold of either hot or neutral and not get fried. You can add GFI to the mix, and now you have a second line of defense.
IMO, anybody who claims the bonded system is safer doesn't fully understand the issues. You can always test if a short occurred between ground and hot/neutral by using a 3-lite tester.
Salktmrfs wrote:
Actually with respect to GFI outlets, the chances of them trippinng when connected to a unbonded generator is pretty remote.
true if you ONLY grab hot OR neutral. If for some reason you get across HOT AND NEUTRAL your going to get at least a nasty shock in an unbonded system with a high impedance to any other ground path, even with a GFI.
