how to determine insulation wire thickness

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4/27/2006 7:04 AM

Dave Stephens

how to determine insulation wire thickness I'm trying to do some research on old wire and some newer wire, magnet wire I mean. How can you measure insulation thickness on plain enamel and poly wire? Is there a way to remove the insulation from magnet wire and leave undisturbed bare copper core to get an accurate reading? You can't sand it obviously becuase you remove the core partially in doing so, poly and enamel both have different properties so what would work on plain enamel wouldn't work on poly wire, need some help here.....anyone????? Dave

 

4/27/2006 11:08 AM
Hummer	Resistance per 1000 feet of wire will give the the OD of the copper very accurately. Subtract from the overall OD and....voila!!     OD=Outside diameter.     Further micromesh sandpaper and a microscope will get you to withing 0.0001inch...close even for a six string.

 

4/27/2006 3:14 PM
Jabs	Dave, is it safe to assume you have a relatively small sample of old wire, or is it a quantity? (i.e. a spool or otherwise)

 

4/27/2006 6:11 PM
Dave Stephens	Yeah, small samples, not 1000 feet for sure and even if I did measuring 1000 feet of a coil would be really boring Must be some other way.....

 

4/27/2006 7:04 PM
Greg Simon	Use the force Dave!

 

4/27/2006 8:37 PM
Dwight Listmayer	I'm with Dave on this one. I would like to know not only the materials of the wire coating, but thickness measurements too. Good question.     Strat man Dwight

 

4/27/2006 10:09 PM
Dave Stephens	Greg you gotta quit smoking that alnico 6 in your bong, you all notice Greg is trying to score some alnico 6, its all he talks about at the jams too, Greg just say NO to A6.....

 

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