Wrenches,
I would like to concur with Mike from MDElectricSolar. My rooftop junctions always use Buchanan copper sleeves crimped with the Buchanan C-24 crimp pliers. After twisting the stripped ends together to a length exceeding the sleeve length I apply No-Ox-ID A Special grease to the twist prior to sliding on the sleeve. Then crimp the sleeve with the C-24 pliers which drives the grease into the wire strands. Trim the wire strands at the end of the sleeve and then snap on the insulating cap. I have confidence in this joint. Crimp sleeves are now made by Ideal and the C-24 pliers can be found on eBay. Eric Stevens, Vermont Made Energy > Message: 7 > Date: Tue, 6 Sep 2016 13:32:00 -0700 > From: "MDElectricSolar ." <mdelectricso...@gmail.com> > To: RE-wrenches <re-wrenches@lists.re-wrenches.org> > Subject: Re: [RE-wrenches] Wire nuts > Message-ID: > <cadhqmc2dgnvpzsq2psp8momdt2vmgg8cirbodoamuy87t4i...@mail.gmail.com> > Content-Type: text/plain; charset="utf-8" > > Again, I am using Buchannon copper crimp sleeves, with a Buchannon crimper, > never seen one NOT work or go BAD. This is the best connection I have seen. > I've never had an inspector open up my rooftop j-box/combiner box and ask > about the listing of my connectors, but as a solar business owner who's > reputation rests on good installation practice, this is the best > connection, and it lasts long term, especially when you fill the crimp cap > with anti-oxidant compound, before you install the cap. > Mike
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