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Joined: Oct 2000
Posts: 3,682 Likes: 3
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Joined: Mar 2004
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Joined: May 2003
Posts: 1,158
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Now they come with a Roberson screw head
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Joined: Feb 2002
Posts: 2,233
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Doug,
Were they used where vibration was an issue? Like I said, I just heard them called "Vibration" wire nuts but no one could give me the right name. Till now.
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Joined: Feb 2002
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twh,
is Marr a trade name or just a style of connector?
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Joined: Mar 2004
Posts: 947
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I think it's the name of the inventor. The company that made the original Marr now makes the Marrette wire nut. By now, the name might be like kleenex is to facial tissue, but I'm not sure if anyone else makes that type of connector. When I went to school, they had specific instruction on not twisting the conductors unless one was stranded and the other solid.
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Joined: Feb 2002
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I was going to say that only my northern neighbors seem to know about this type of wire nut. I never saw lots of these connectors but I was out in the field from 1976 to 1998 and I think I only saw maybe 2 dozen or so.
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Joined: Mar 2004
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Harold, I've never installed one and I've been around as long as you have. A couple dozen is about the same number that I've run into, too. To add to jdevlin's point, some of them were backwards.
I think a vibration wire nut is a normal wire nut tightened with pliers.
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Joined: Dec 2001
Posts: 2,498
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Looks like someone crossed a wire nut and a European "choc block" style connector
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Tom
Shinnston, WV USA
Posts: 1,044
Joined: January 2001
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