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Old 08-19-2019, 09:17 AM   #16
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Re: Question about Pretwisting - One Wire Slightly Lower


Not sure about other markets but in Canada generally the wire nuts are color coded Orange, Yellow, Red, etc. The colors do have specific minimums and maximums for what you can splice with them. Even across brands these are consistent.

There's a similar thing with cable staple sizes as well although they are not color coded of course but they are standardized.

Strangely it is work installed by actual electricians where I notice the biggest variations in this. In my house I see electrician installed work with 5 #14s under a yellow for example (should be a red), 14/3 under an S-1 staple, etc.

I think there is some merit to threads like this where us homeowners are trying to achieve very high standards. I know I try to.
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Old 08-19-2019, 10:16 AM   #17
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Re: Question about Pretwisting - One Wire Slightly Lower


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Originally Posted by FrodoOne View Post
While all of the above may be true, the "nub" of the problem is related to "Loose connections cause heat "

Also while "Using wire nuts properly, meaning install tightly, and the proper size for conductor size/quantity and there should never be a problem. There is no reason for them to get hot." is true, but how easy is it to do that correctly?

To start with, one needs to use "the proper size for conductor size/quantity", which requires a knowledge of the specifications concerned and NOT using just what one may have to hand.

Of course, if the conductor(s) concerned will fit into the opening of a set-screw or a Wago connector, there is unlikely to be any loose connection problem.

Basically, you agree with what I wrote.
Thanks.


Schmucks will continue doing things dangerously no matter what materials you give them.


I see nothing wrong with wire nuts. In 40 years of using them, the only melt down is on the connection by said "electrician". Of course, I'm talking about in our one year warranty period as we do not do service after that.
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Old 08-19-2019, 10:48 AM   #18
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Re: Question about Pretwisting - One Wire Slightly Lower


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Originally Posted by NCmountainCabin View Post
No cap is needed for the connection, only for the protection.

No, not true. The wires should be mashed together as tightly as possible.
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Old 08-19-2019, 10:49 AM   #19
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Re: Question about Pretwisting - One Wire Slightly Lower


As shown in the pic in the OP, it's fine. If a single wire sticks out to far, it can simply be trimmed off, as mentioned. It's very important to read the instructions/charts on the box of connectors and use the right size connector for the number and gauge of wire you're connecting.
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Old 08-19-2019, 03:09 PM   #20
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Re: Question about Pretwisting - One Wire Slightly Lower


I believe the OP is referring to the end of the wire down at the insulation, not the ends that can be trimmed. If need be, trim and let the wire nut cover past the insulation - you'll be fine, as long as the copper is covered...
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Old 08-19-2019, 03:47 PM   #21
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Re: Question about Pretwisting - One Wire Slightly Lower


You are not going to get all the insulation exactly even. What you have in the picture is good. Just make sure the bare wire all goes inside the nut. Trim the tip if needed.
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Old 08-19-2019, 06:31 PM   #22
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Re: Question about Pretwisting - One Wire Slightly Lower


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Originally Posted by KPDMinc View Post
I believe the OP is referring to the end of the wire down at the insulation, not the ends that can be trimmed. If need be, trim and let the wire nut cover past the insulation - you'll be fine, as long as the copper is covered...

Oh. Then yes, this is too small a difference to think about, as long as it's all covered.
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Old 08-21-2019, 01:22 PM   #23
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Re: Question about Pretwisting - One Wire Slightly Lower


One wire in the op pic seems too straight. For 3 wires, put two next to each other and cross third at 45 deg+/- and make sure you create a true spiral on all three wires. It looks like you could slide one of the wires out in the pic.
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Old 08-21-2019, 09:46 PM   #24
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Re: Question about Pretwisting - One Wire Slightly Lower


Quote:
Originally Posted by DanS26 View Post
I stopped using fire nuts (oops I mean wire nuts) years ago.....I only use these.....

https://www.amazon.com/Wago-221-413-...19552942&psc=1

More expensive per connection but well worth it IMHO.
I'm comfortable with wire nuts, but never liked 'em. Thanks for pointing those out. Ordered!
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