[Elecraft] Stripping toroid leads

Don Wilhelm w3fpr at embarqmail.com
Tue Apr 5 19:37:24 EDT 2016


The wire Elecraft supplies is in the category of "Thermalese" which is 
heat strippable, but if you get wire from an electric motor shop, that 
insulation will likely be "Formvar" which resists heat and must be 
mechanically stripped.

73,
Don W3FPR

On 4/5/2016 7:17 PM, Scott Ellington wrote:
> There are two very different kinds of insulation used on magnet wire. 
> One type, which I presume Elecraft uses, can be stripped with solder 
> and a sufficiently hot soldering iron.  It's also fairly easy to 
> scrape off.  The other, "heavy polythermaleze", or whatever it's 
> called these days, is practically indestructible. It has to be 
> stripped mechanically, and even that's hard.  I think the copper would 
> melt before the stuff would burn.  Unless you're planning to run your 
> toroids really hot, it's more trouble than it's worth.



More information about the Elecraft mailing list