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TBM5-S crimper

acamato

New Member
Joined
Apr 28, 2020
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I have access to a Thomas & Betts TBM-5S compression lug crimper. It is a diamond crimper for alum or copper compression lugs. Can I use this to crimp tinned copper lugs on 4 AWG wire? For 4 AWG is says to use the gray die.
 
Wire and lugs were delivered yesterday. Here is the crimp. It’s nice and tight.
689727A5-FB37-46A2-BF49-D9D16E47DF38.jpeg
 
If you really want to know how good the crimp is, cut a cross section of one and examine how compressed the copper strands are. They should look almost like they got welded, without air gaps.

2_TroubleShooter_0918.png
 
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