You can use a GFCI without a ground. I didn't believe it, but it does work out that way. It watches the current differences between the hot and neutral only.
To: DoIt_Yourself@yahoogroups.com
From: dcwired@att.net
Date: Mon, 20 Jan 2014 18:11:41 -0600
Subject: Re: [DIY] Ground fault interrupter
To: DoIt_Yourself@yahoogroups.com
From: dcwired@att.net
Date: Mon, 20 Jan 2014 18:11:41 -0600
Subject: Re: [DIY] Ground fault interrupter
I beg to differ. Yes, it trips when the hot goes to ground instead of the neutral, but it also measures the load of each, the hot and the neutral, and trips when there is a difference. Proof is when you put a circuit on a GFCI plug that has a 3 way on it that the neutral was acquired from a different circuit at the end switch. When you turn on the light, the GFCI trips not because the hot went to a ground, but because the neutral load was from a different source not going thru the GFCI plug.
On 1/20/2014 11:17 AM, Ray Kornele wrote:
So long as you do not exceed the max rating of the device. GCFI is to prevent shorts to ground, even a high resistance like a human body. If you do something that allows you to get across hot and neutral, the GFI does not trip because you would not be feeding power to ground.
KrazyKyngeKorny (Krazy, not stupid)
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