shrink tube question

Old 12-06-13, 02:17 PM
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shrink tube question

Whats the correct size shrink tubing for #12 and #14 wire?
Can the tubing be applied over the wires insulation or should you remove damaged insulation on wire then apply to bare conductor?
Old 12-06-13, 02:34 PM
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Is this stranded or solid wire? Also, are you soldering the wire together? If you have any damage to the insulation, especially if it has been damaged for awhile you should cut the wire off a little past the damage, re-strip it and make the connection there so that you get the best connection possible or it may continue to corrode. The heat shrink should overlap the insulation a ways as the heat will cause some damage to the insulation, plus overlapping it insures a good seal.
Old 12-06-13, 06:48 PM
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Heat shrink tubing has a range of sizes it will shrink over. Some shrinks 2 to 1, others can be 4 to 1. I just pick a size that slides over.

I try to leave the old insulation in place unless it is in really bad shape.
Old 12-06-13, 08:27 PM
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Based on commonly available shrink tubing..... you'd probably use 3/16" or 1/4"

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