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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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In Reply to: Use only AC-rated noise suppression caps. posted by Al Sekela on August 1, 2010 at 18:53:32:
A couple years ago I was working on a friends amp that wasn't quite working right. I was bending over the circuit with a scope probe and was about to touch a wire (hadn't actually touched it yet!) when a resistor next to the probe burst into flame. It was about a 6" pure white flame that lasted quite a while, right below my face. I WAS wearing safety glasses so there was no eye damage.
I checked with the manufacturer and it was a flameproof resistor. I've never seen one give off a flame like that before, even when TRYING to get that effect! (what can I say, high school electronics class)
I still have that scope probe, with a black charred tip. Its hung on the wall of my lab to remind me to ALWAYS wear eye protection when working on live circuits.
I don't believe in "flameproof" any more.
John S.
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Follow Ups
- "flame proof" resistors - John Swenson 16:21:59 08/04/10 (1)
- RE: "flame proof" resistors - LewinskiH01 18:48:34 08/05/10 (0)
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