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Old 05-17-2013
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Re: alternative to step down butt conectors

There are different crimping tools for different types of crimps. The adhesive lined heat shrink crimps use a crimping tool that looks like this;

Look closely at the jaws;


The insulated butt splices that most average Joes use this type of crimper;

Look closely at the jaws;

These jaws will tear the insulation of a heat shrink crimp.

For what you are trying to do; first use the right crimper for the crimps that you are using. Then, if you are trying to crimp a smaller gauge wire to a larger wire, (the electrical weenies are gonna have a fit, but this is what I was taught to do - and it works) strip double the normal length of wire, then fold the stripped wire over so that the end of your 16 gauge wire now appears to be 12 gauge.
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USCG Licensed OUPV Captain, ASA 101/103/104/105 Certified Instructor - Also certified in Recreational Marine Electrical Systems
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