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Discussion Starter #1
What size would I need for HO street lights with resistors?
I saw 3/16" ob Ebay. Would that work or smaller?
Thanks
 

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I’ve had too many times when I didn’t have the correct size heat shrink tubing. I finally got an assortment of various sizes cut to length in a plastic case. I may never use the largest size, but I will always have the size I need. I would also recommend polyolefin and not PVC tubing.
 

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Heat-shrink tubing only shrinks to around half its size, meaning that 3/16" tubing would be about 3/32" after shrinking. Keep in mind that the tubing walls also double in thickness, which can be noticeable in some situations.
 

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Discussion Starter #5
These wires are very thin and so is the resistor. Has anyone done this and can tell me which size to get? A variety pack won't work because I'll never use the larger pieces I saw a pack of 3/32" heat shrink tubes on Ebay. Is this good for these tiny wires?
 

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If the wire looks like its bare, it's probably varnished wire like what is used on small transformers or motors. Ya won't have to insulate that.
 
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