[RE-wrenches] Wire nuts

[Chris Mason]

The problem is that wire nuts are not intrinsically sound, a good
connection depends on the skill of the craftsman. They are not legal under
the British electrical code, where I did my training, wires need to be
firmly held under a screw as in a terminal. The US would be better to get
rid of these nasty devices.
In Britain, you see these terminal strips used. As long as they stay dry,
they last forever.
http://my.rs-online.com/largeimages/R4649744-01.jpg

On Tue, Sep 6, 2016 at 3:19 PM, MDElectricSolar . <mdelectricsolar at gmail.com
> wrote:

> Yes, wire nuts, and loose connections are a big issue in AC circuits as
> well. One of my most frequent troubleshooting calls is tracing out
> loose/burnt/arcing connections behind receptacles and switches. Usually
> caused by sloppy workmanship, or contractors being in a hurry.
> Mike
>
> On Tue, Sep 6, 2016 at 12:14 PM, Glenn Burt <glenn.burt at glbcc.com> wrote:
>
>> Be aware that SMA explicitly prohibits the use of wire nuts in their
>> installation instructions on the DC input circuits.
>> ------------------------------
>> From: Jerry Shafer <jerrysgarage01 at gmail.com>
>> Sent: ‎9/‎6/‎2016 14:32
>> To: RE-wrenches at lists.re-wrenches.org
>> Subject: Re: [RE-wrenches] Wire nuts
>>
>> Wrenches
>> Better pic
>>
>> On Sep 5, 2016 4:52 PM, "Jerry Shafer" <jerrysgarage01 at gmail.com> wrote:
>>
>>> To my fellow wrenches
>>> It comes up every so often and with DC, I will not use, approve or pass
>>> any wire nuts on any DC side. Some say its OK but the facts are they will
>>> fail, this connection was just six years and when l opened the junction box
>>> it was glowing and by the looks of it has for some time. There are 8
>>> strings 2 per string and thats a 12.5 % failure rate (the other one was
>>> completely distroyed) not to mention the fire hazard in a PVC junction box.
>>> Please pass this along and tell everyone to stop using these.
>>> Jerry
>>>
>>
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>
>
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> Michael & Jessica Nelson
> MD Electric & Solar Inc.
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-- 
Chris Mason
NABCEP Certified Solar PV Installer™
Solar Design Engineer
Generac Generators Industrial technician

www.cometsolar.com <http://www.cometenergysystems.com>
264.235.5670
869.662.5670
Skype: netconcepts
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