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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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In Reply to: Help finding outer foil end on Teflon Caps? posted by mgrissom on May 8, 2002 at 07:20:25:
Here's what I used to do: (1) Wrap the cap tightly in a conductive foil of some type, making certain that the foil does NOT contact the leads. (2) Attach 120VAC, right from the wall socket, to each lead of the cap. (3) Measure ACV between one lead and the conductive foil. Take note of the reading. (4) Measure ACV between the other lead and the conductive foil. Whichever lead-to-foil voltage is highest will tell you that that lead is attached to the outer foil. CAVEAT: When M Percy learned that I was doing it this way, he was horrified. He recommends using the 1kHz output of an audio signal generator as a source of AC. He was concerned that AC from the wall socket could damage some caps. However, that never happened to me, so far as I know. If the rated voltage of the cap is high enough (e.g., at least 250V), and if the value of the cap is low enough (e.g., <1uF), I don't see any harm in using the wall socket. But you have been warned, as was I.
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Follow Ups
- Re: Help finding outer foil end on Teflon Caps? - Lew 07:55:41 05/08/02 (7)
- Yeah, but did it sound better? - Jon L 12:39:34 05/08/02 (2)
- Dunno... - Lew 10:04:00 05/09/02 (1)
- Re: Dunno...Direction applies to resistors as well - fmak 23:40:43 05/09/02 (0)
- WARNING about electric shock hazard - Lew 10:34:42 05/08/02 (3)
- Thanks for the input I'll see if I can get my local repair man to do this. - mgrissom 12:41:02 05/08/02 (2)
- Since you're going to the repair man - Batman 15:45:27 05/08/02 (1)
- Re: Since you're going to the repair man - mgrissom 00:27:12 05/09/02 (0)
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