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#25
February 11th 04, 12:42 AM
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In article , "Ian White, G3SEK"
writes: Avery Fineman wrote: In article , writes: I got spoiled with #24 and #26 Teflon insulated solid wire, strips easily and never abrades the insultation. And you can just jam the point of a soldering pencil down into a "rats nest" and not melt a bit of insulation! Yes! But, I didn't want to rub that in to homebrewers. :-) Sigh, I'm way overdue for searching electronic dumps for teflon covered wire...old nylon-jacketed PVC is still old and still melts. At a hamfest on Sunday, a trader was selling teflon insulated silver-plated stranded hookup wire in two sizes, as "aerial wire". I bought 50 metres, but by no means all of it is going up in the air. Len, you said it "strips easily"... well, maybe I haven't found the right kind of wire strippers yet. What kind do you use? Up until about year 2000 I had a wonderful multi-gauge stripper made in my home town of Rockford, Illiniois, about 1950 (!). The "recoil spring" (to return the two-handled beastie to open position) broke and a replacement was impossible. The design had been sold to another company (perhaps General Cement) in the 1950s and that company no longer produced it. For stripping in general I use small diagonal wire cutters (kept sharp) and, by feel, go part-way through about three places on the jacket, then gently tear off the jacket. Very no-frills stripping (of wire, that is). Practice made perfect a long time ago. The toolbox also has an ultra-simple el cheapo stripper stamped out of sheet stock, looking like cheap cutters with a single V-groove on each head, opposed. Very easy to keep sharp but the straight- side cutter edges tend to nick the wire, especially on stranded variety. I use that only as a last resort. For chassis-PCB wiring, I prefer to use solid wire and cut Teflon sleeving to suit for insulation. No flexibility is needed there and the Teflon sleeving, although costing more than PVC, is reasonable in price in bulk (depending on supplier/distributor). The sleeving IS reuseable (and wires used for short runs) after a project is scrapped and/or revised. [I'm secretly glad no one remarked on the extra T in 'insulation,' that would be instigation of insulting the insulation installation... :-) ] Would we ever do such a thing? Heh heh heh heh heh heh heh heh heh... :-) Len Anderson retired (from regular hours) electronic engineer person |
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