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Old 09-05-2012, 06:24 AM   #1
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Receptacles as a junction




1. Looking at this 20 Amp outlet, the plate is held down by the screws, is this enough for a 20 Amp circuit or do you have to go around the screw?

2. Looking closely, there are indentations for the wires before they go underneath the plate and screws. Does this mean you can bring in power on one wire and plug in 3 other wires for each indentations? Or will the clip melt.

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Old 09-05-2012, 06:33 AM   #2
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That is a 'Back-Wired' Receptacle, not the common 'Speed wired' or 'Back Stabbed' outlet. Yes you are allowed to put 4 wires on this receptacle, but i'd be suspect of the box fill if you were.

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Old 09-05-2012, 06:56 AM   #3
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Obscure detail: If the hot wires are wire nutted directly to each other (not using the receptacle as a junction) then the neutral wires must be wire nutted directly to each other.

Multiwire branch circuits (two hots share the neutral) fall into this category, the blacks may feed the receptacle and the receptacle acts as a junction but the reds pass through the box and are simply wired to each other. Here the nuetrals must be wired directly to each other.

The idea is that, if the receptacle is removed, even for just a few minutes, leaving the wires hanging loose, there may not be hot wires still connected in the daisy chain to the next box while the neutrals are not connected.
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Last edited by AllanJ; 09-05-2012 at 07:00 AM.
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Old 09-05-2012, 07:32 AM   #4
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Quote:
Originally Posted by AllanJ View Post
Obscure detail: If the hot wires are wire nutted directly to each other (not using the receptacle as a junction) then the neutral wires must be wire nutted directly to each other.
Can you quote an article on that? I just don't remember coming across it..
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Old 09-05-2012, 08:09 AM   #5
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Look at the grounding wire. It is wired counter clockwise,which is wrong.
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Old 09-05-2012, 04:32 PM   #6
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Allan means MWBC neutral/grounded continuity cant be dependent on a device. Which is correct. 300.13 (B)
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Old 09-05-2012, 04:59 PM   #7
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Quote:
Originally Posted by AllanJ View Post
Obscure detail: If the hot wires are wire nutted directly to each other (not using the receptacle as a junction) then the neutral wires must be wire nutted directly to each other.
As written this is incorrect. Just because the pigtail method is used on the hots does not mean the neutral needs to be pigtailed.

The neutral is only required to be pigtailed if part of a MWBC.

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