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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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In Reply to: RE: Isn't this risky.... posted by 1973shovel on May 22, 2009 at 17:01:56:
There is a difference between an AC voltage rating and the safety rating for AC line exposure. See the linked pdf file for a basic tutorial.
Capacitors not rated for AC line exposure can develop resistive leaks upon repeated exposure to line voltage spikes. These can cause the capacitor to get hot and catch fire.
There are polyester, polypropylene, ceramic, and metallized paper capacitors rated for AC line exposure (X is for line to neutral while Y is for line or neutral to ground). Of the rated caps, I've found the Wima metallized paper to have the best audio properties.
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Follow Ups
- These are NOT rated for AC line exposure. - Al Sekela 15:51:59 05/23/09 (2)
- But it MUST be true. I saw it on the Internet! - 1973shovel 19:40:55 05/25/09 (1)
- Well, they don't claim power line suitability. - Al Sekela 16:09:17 05/26/09 (0)