Well, having wired several of these in the past, I am embarrassed to say
that I don't know why my current setup won't work.
I have a 20 amp circuit shared by several switched lights and a couple of
outlets. The load on this circuit is minimal. I recently added a new
outlet to this circuit, just upstream of a switched light. So the circuit
goes to the outlet, then to the light switch.
When I originally added the outlet, I used a standard outlet, and everything
worked great. This past weekend I decided that the outlet should have been
a GFI (damp basement, etc), and pulled the existing outlet and replaced it
with a new 15A GFI. I wired the supply wires to Line, and the
wires-to-the-light-switch to Load. (black wires to gold screws, white wires
to silver). The GFI lit up (the green indcator glowed), and I had juice on
both of the GFI plugs. The GFI test/reset buttons appeared to work
correctly. However, I had no juice going to my light switch. The hot wire
on the GFI Load connector appeared to have juice on my pencil style tester,
but the switch did not turn on the lights.
So I figured I must have messed up the light switch while playing around.
Hard to imagine, but I replaced it anyways, also with a new one. Still no
I ended up pulling the GFI and putting the original outlet back, and
everything works fine again.
Any clues as to why my "downstream" switch won't work when the GFI is in
BrkrBox -----------> Outlet -------------> Switch -----------> Lights
Almost impossible for me to believe that the GFI outlet itself was
defective, but it sure looks like that's the most likely answer.
Any chance of your springing for another GFI outlet and trying again?
Too bad you didn't have a conventional analog multimeter with two leads
on it that you could have used to see if there was voltage between the
black and white wires on the Load side of the GFI. Those pencil style
testers can mislead you real good.
re :Any chance of your springing for another GFI outlet and trying
Oughta be able to just exchange it for a new one. Not many places,
especially the borgs, argue about returning anything these days. If it
scans, they'll take it back.
If this is the type that has the 'reset' on it, you will have to push
it in ALL the way before the circuit will work.
I've got one that is wired in a similar fashion, when the outlet
downstream can cause the GFI to flip, I gotta got to the bathroom and
reset the button on the GFI.
Also, check to make sure the light switch is ON, as bathroom outlets
are wired to the light switch.
If there is power, does yours have a green LED on it? Is it lit?
Yes, it has a reset on it, and I did do the test and reset a couple of
times. It also has the green LED which indeed lights up as well.
I had actually purchased a 3-pack of the GFIs and probably should have
swapped in another one as a test. Another thing I did not do was to press
the Test button and see if I still read juice on the Load hot wire. I
presume that power should have been shut down along with the plugs
The original installer *should* have labelled the downstream outlets
protected by the GFI with a label that says as much. Then you'd know
(a) not to install a GFI at this location, and
(b) if the outlet is off, you need to search for a GFI somewhere else.
But not labelling them seems typical. My house has one GFI on the
outside wall that feeds (and protects) two other outdoor outlets, both
unlabelled. There's a GFI in the tiny ensuite bathroom off the bedroom
that also protects outlets in the main bathroom and the downstairs
bathroom, again without labels.
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