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 <[email protected]> wrote: > Be aware that SMA explicitly prohibits the use of wire nuts in their > installation instructions on the DC input circuits. > ------------------------------ > From: Jerry Shafer <[email protected]> > Sent: 9/6/2016 14:32 > To: [email protected] > Subject: Re: [RE-wrenches] Wire nuts > > Wrenches > Better pic > > On Sep 5, 2016 4:52 PM, "Jerry Shafer" <[email protected]> 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 >> > > _______________________________________________ > List sponsored by Redwood Alliance > > List Address: [email protected] > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: http://www.mail-archive.com/[email protected]. > org/maillist.html > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > www.members.re-wrenches.org > > > -- Michael & Jessica Nelson MD Electric & Solar Inc. Office: 707-884-1862 Cell: 707-684-0064 *We prefer to have ALL documentation E-mailed ** prevent paper waste***
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