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Splicing conductors together using wirenuts #91650
01/29/05 07:19 AM
01/29/05 07:19 AM
Joe Tedesco  Offline OP
Member
Joined: Oct 2000
Posts: 2,749
Boston, Massachusetts USA
Question: When using wirenuts to make joints, is it necessary to twist the conductors together before applying the wire nuts, and is it necessary to use insulating tape over the wirenuts?


Joe Tedesco, NEC Consultant
2017 / 2014 NEC & Related Books and Study Guides
Re: Splicing conductors together using wirenuts #91651
01/29/05 08:05 AM
01/29/05 08:05 AM
I
iwire  Offline
Moderator
Joined: Jan 2003
Posts: 4,391
North Attleboro, MA USA
No & No [Linked Image]


Bob Badger
Construction & Maintenance Electrician
Massachusetts
Re: Splicing conductors together using wirenuts #91652
01/29/05 08:20 AM
01/29/05 08:20 AM
W
walrus  Offline
Member
Joined: Jul 2002
Posts: 680
Bangor Me. USA
I've seen equipment manufacturers instructions that state you must twist conductors before using the supplied wire nuts. But from the instructions I've read on wire nut packages you don't have to, although when done they want 3 twists outside the nut.

Re: Splicing conductors together using wirenuts #91653
01/29/05 09:30 AM
01/29/05 09:30 AM
E
Electricmanscott  Offline
Member
Joined: Jan 2002
Posts: 1,457
Holden, MA USA
Sounds like a trick question but I'll say no and no.

Re: Splicing conductors together using wirenuts #91654
01/29/05 10:43 AM
01/29/05 10:43 AM
E
electricman2  Offline
Member
Joined: Nov 2003
Posts: 269
Thomasville, NC USA
What I want to know is how many more times are we going to discuss this?


John
Re: Splicing conductors together using wirenuts #91655
01/29/05 11:48 AM
01/29/05 11:48 AM
F
Fred  Offline
Member
Joined: Apr 2001
Posts: 449
Straughn, IN 47387
It depends on whether I'm installing the receptacle with the ground pin up or down.

Re: Splicing conductors together using wirenuts #91656
01/29/05 12:31 PM
01/29/05 12:31 PM
P
PCBelarge  Offline
Member
Joined: Jun 2003
Posts: 681
Dobbs Ferry, NY, USA
I will answer by saying it depends on the manufacturer's instructions. As I have seen instructions that say "pretwisting not required" and "twisting of conductors required".
I am going to try and locate the one package that requires twisting.

I have never seen the requirement of taping a wirenut.

Pierre


Pierre Belarge
Re: Splicing conductors together using wirenuts #91657
01/29/05 12:55 PM
01/29/05 12:55 PM
K
Knob_and_Tube  Offline
Member
Joined: Jan 2005
Posts: 5
Santa Clarita, CA
You must twist the bare conductors otherwise the solder doesn't stick...

Re: Splicing conductors together using wirenuts #91658
01/29/05 01:17 PM
01/29/05 01:17 PM
M
mj  Offline
Member
Joined: Jun 2002
Posts: 186
meriidian, ms
as commom practice, I always twist the wires before installing the wirenut, and I always uue tape... just as a safety .

Re: Splicing conductors together using wirenuts #91659
01/29/05 02:52 PM
01/29/05 02:52 PM
E
Electricmanscott  Offline
Member
Joined: Jan 2002
Posts: 1,457
Holden, MA USA
MJ what is unsafe about not twisting or using tape?

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