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Open Roads Forum  >  Travel Trailers  >  General Q&A

 > 2 outlets in GFCI path not working

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BB_TX

McKinney, Texas

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Posted: 04/17/23 01:51pm Link  |  Quote  |  Print  |  Notify Moderator

CA Traveler wrote:

Latner wrote:

open up each outlet and check all the connections visually and with a meter, you'll find the problem eventually.
You may also find that the outlets and not all connected in series but rather some are connected by a parallel branch wiring.

Unless you have some kind of special outlets with each half isolated from the other, they are all wired in parallel. If the outlet has two hot wire screws, those two are normally internally connected by a buss. Same for neutrals. There may be one wire on one hot screw and a second wire on the other hot screw. But because the screws are internally connected, they are effectively the same point.

Wired in series would mean the loads were wired in series. And that just would not work.

nickthehunter

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Posted: 04/17/23 02:12pm Link  |  Quote  |  Print  |  Notify Moderator

CA Traveler wrote:

Latner wrote:

open up each outlet and check all the connections visually and with a meter, you'll find the problem eventually.
You may also find that the outlets and not all connected in series but rather some are connected by a parallel branch wiring.
I’d be willing to bet every outlet you have ever encountered was wired in parallel.

OP: did you check all the breakers? Is it possible the two outlets that don’t work are on a different circuit?

* This post was edited 04/17/23 02:20pm by nickthehunter *

JRscooby

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Posted: 04/17/23 02:14pm Link  |  Quote  |  Print  |  Notify Moderator

Grit dog wrote:

Latner wrote:

open up each outlet and check all the connections visually and with a meter, you'll find the problem eventually.


I’d start here.
Unless you locate another gfi somewhere that’s popped.


Here is the reason I don't like answering 120V questions on the internet. I do not know anything about the OP's skill set.

OP, the place to start is at the post. Unplug the cord so you know there is no power then pull the outlets to inspect the connections.

CA Traveler

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Posted: 04/17/23 02:25pm Link  |  Quote  |  Print  |  Notify Moderator

nickthehunter wrote:

I’d be willing to bet every outlet you have ever encountered was wired in parallel.
Interesting twist as I guessing you mean a single romex wire with 3 conductors means the outets are wired in parallel. Otherwise I'll take that bet.


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rburke

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Posted: 04/17/23 02:37pm Link  |  Quote  |  Print  |  Notify Moderator

Yep checked all circuit breakers and fuses in the panel

enblethen

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Posted: 04/17/23 03:21pm Link  |  Quote  |  Print  |  Notify Moderator

Many receptacles are fed from GFCI receptacles feed through function. I would be checking that function on the GFCI receptacle you have found.


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nickthehunter

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Posted: 04/17/23 05:27pm Link  |  Quote  |  Print  |  Notify Moderator

CA Traveler wrote:

nickthehunter wrote:

I’d be willing to bet every outlet you have ever encountered was wired in parallel.
Interesting twist as I guessing you mean a single romex wire with 3 conductors means the outets are wired in parallel. Otherwise I'll take that bet.
it’s a done deal, I’ll take that bet, under all condition, except any not done to code.

Y-Guy

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Posted: 04/17/23 05:42pm Link  |  Quote  |  Print  |  Notify Moderator

I had issues with the from CFCI outlet using the backstab instead of using the terminals. Once I changed to the terminals all my problems went away. I then went through the rest of the RV and swapped from backstab to terminals.


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BB_TX

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Posted: 04/17/23 07:43pm Link  |  Quote  |  Print  |  Notify Moderator

CA Traveler wrote:

nickthehunter wrote:

I’d be willing to bet every outlet you have ever encountered was wired in parallel.
Interesting twist as I guessing you mean a single romex wire with 3 conductors means the outets are wired in parallel. Otherwise I'll take that bet.

I can only guess you are meaning one hot wire going to one screw, and a second hot wire going from the second screw to the next outlet and thinking that is “in series”. And that is simply not true. Both hot screws on an outlet are common to each other. As are both neutral screws. So it doesn’t matter whether you use two wires on separate screws, two wires under one screw, or one continuous wire with a bit of insulation removed and the bare wire wrapped around one screw, the outlets would still be electrically wired in parallel.

enblethen

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Posted: 04/17/23 08:50pm Link  |  Quote  |  Print  |  Notify Moderator

Standard 120-volt AC receptacles have two brass screws are for the line voltage on one side that are jumpered at the factory. The silver screws are for the neutral and are jumpered at the factory.

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