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crescere 04-24-2013 10:54 AM

Second line from GFCI shut it all down
 
I had an ungrounded outlet that feed another outlet that powers my water softener. Rather than make these outlets two prong I added a GFCI that powered the downstream water softener outlet. In addition to the water softener there is another unknown line fed by the GFCI.

So I have a GFCI with two lines going out from the “load” side with one going to an unknown location and the other to my water softener outlet. This system worked fine for a couple months, but then I noticed the water softener no longer worked. I reset the GFCI and the light blinked and immediately went out. I disconnected the unknown line and now it all works fine. I do not know where that other line went, but obviously it went to something that caused trouble for the GFCI. What would cause this to occur and why were things fine for two months?

Thank you in advance to all who help.

jproffer 04-24-2013 11:15 AM

Could be an outdoor receptacle, could be a basement receptacle, or almost anywhere really. It's hard to give you a "why" if you don't know where/what we're even talking about.

BTW, how did you attach 2 sets of conductors to the load side of the GFI? All the ones I've ever seen have one set of screws for the load side. (I understand maybe you pigtailed them...I'm just curious)

crescere 04-24-2013 02:21 PM

I will ultimately have to go under my crawl sapce and I am not looking forward to that. I am just wondering what type of thing could cause this to happen.

GFCIs do have two openings under the screw for wires. I have never seen one with just one. I got it at Home Depot.

jbfan 04-24-2013 02:46 PM

Quote:

Originally Posted by crescere (Post 1166356)
I will ultimately have to go under my crawl sapce and I am not looking forward to that. I am just wondering what type of thing could cause this to happen.

GFCIs do have two openings under the screw for wires. I have never seen one with just one. I got it at Home Depot.

It could feed to an outside receptacle in a flower bed.
It could have been chewed by mice.
It could just be open wires that have finally contacted dirt, or non of the above and many other reasons.


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