[Elecraft] toroid enamel wire question

David King dking at vcn.com
Thu May 17 12:30:10 EDT 2007


As someone who is about to launch into this portion of his K2 
build...would it be advisable to coat the "scraped bare" areas with a 
clear fingernail polish to try and re-insulate that area?

David King   KE7EKA

Robert Johansen wrote:

>I had the same problem winding the small cores on the SSB board. I was
>careful but still saw some of the enamel come off the wire and decided to
>leave it as is.
>
>This should not be a problem unless two adjacent turns are scraped and
>touch  to cause a shorted turn. Also be careful of the small cores
>positioned close to the crystals on the SSB board. Do not allow the bare
>wire to touch the crystal can which will cause a short circuit to ground,
>use a small piece of tape as insulation if needed.
>
>Hope this helps
>
>73,
>Bob Johansen WB2SRF
>
>K2 S/N 5622
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