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Compass Marine How To | all galleries >> Welcome To MarineHowTo.com >> Marine Wire Termination > Anatomy of an Insulated Terminal
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Anatomy of an Insulated Terminal

I took apart an insulated terminal to show why the crimper is referred to as double crimp tool. If your insulated crimp terminals do not have three parts, find some that do. AMP calls this type of terminal a PIDG but this one is made by Molex.


The wire crimp area gets one crimp and the strain relief barrel gets the second crimp. The dies of a double crimp tool are unequal in size. Using the appropriate crimp tool for an insulated terminal will create both the strain relief crimp and the wire crimp in one single motion.


If I were to disassemble a heat shrink connector all you'd see is the heat shrink and the terminal. You'd only have two pieces, not three, hence the term single crimp as it only crimps the crimp barrel because there is no strain relief barrel on a heat shrink terminal because the adhesive glue provides the strain relief..


Unfortunately, there are two separate tools because there are two different types of crimp connectors, insulated terminals and heat shrink terminals.

Nikon D200
1/60s f/5.6 at 70.0mm iso400 full exif

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