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From: "Bill Shymanski"
References: <3D84792C.15312F03@prontoREMOVETHISmail.com> <3D8D92CD.856FC4B7@prontoREMOVETHISmail.com> <1032703544.547222@savina> <3D8DD66B.CD8DF7A1@webaccess.net>
Subject: Re: wire joining practice..
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Date: Sun, 22 Sep 2002 11:10:55 -0500
NNTP-Posting-Date: Sun, 22 Sep 2002 11:10:24 CDT
Organization: MTS Internet
I believe one manufacturer of split bolt connectors is Burndy, and they are
called the "FS" type. The drawback is taping the joint afterwards to
Marr wire nuts are quite reliable - the full-size connectors have a brass
sleeve with a clamping screw, then a threaded cover that screws down over
the sleeve to insulate it. The smaller connectors used in household and
commercial wiring is the "Marrette" type which is a single piece that screws
down over the two conductors.
A type that I no longer see used was a nylon cap with a circular clamp ring
built into it - looked pretty dodgy and I doubt they had the range of a Marr
Industrial connections shouldn't be made with wire nuts - all wires should
land on terminal blocks or device terminals.
( No idea what they use on ships - I would imagine a crimped connection
would be the only acceptable thing due to constant vibration. )
"Chuck Simmons" wrote in message
> Al Hephy wrote:
> > AC/DCdude17 wrote in message
> > > By the way, what methods are used to make splices outside North
> > > Here wire-to-wire connections are made with wire nuts. You hold two
> > > together, and you slip on a special lid thing and twist it on. That's
> > > doubt you'll see many crimp on terminals or crimp on splices here.
> > > happened to spade terminals and such here?
> > >
> > >
> > >
> > You are right that most splices are done that way in the US, but it is
not the best practice, especially the ones without the metallic insert (I've
seen the plastic ones crack open in time).
> > The connection should first be made by twisting, such that it is
electrically secure in its own right, then use the wire nut to clinch the
deal and provide insulation.
> > Regards, Al
> The idea in the wire nut is to create enough force between the
> conductors to get a gas tight connection. Crimp uses the same idea.
> Better than wire nuts are the bolts (I forget what they are called) that
> are split to admit the conductors and a nut is tightened to force the
> conductors together.
> ... The times have been,
> That, when the brains were out,
> the man would die. ... Macbeth
> Chuck Simmons firstname.lastname@example.org
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