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General Asylum General audio topics that don't fit into specific categories. |
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General Asylum General audio topics that don't fit into specific categories. |
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In Reply to: Re: Well, why are 3-prong plugs touted as being safer? Put in new homes? etc. nt posted by StephenJK on April 6, 2007 at 18:16:01:
"And, if that were the case, the power supply could now be isolated from the supply ground or grounded neutral, so that if you did come in contact with it you would be isolated as well."How is that so? The chasis is not connected to neutral - of course. The chasis is also no longer connected to ground (thanks to our pin clipping DIYer).
The chasis is isolated from neutral AND ground (no ground pin anymore), so no ground fault current of SUFFICIENT MAGNITUDE to trip the breaker can flow.
But this does not mean anyone unfortunate enough to touch the energized chasis is "isolated" as well. Having no proper path for ground current does not change the fact the chasis has been unintentionally energized, and the safeguard that was designed to isolate the power source (by fault current via the ground path) has been intentionally broken by removal of the ground pin. No fault current, no breaker operation, no isolation. Chasis remains energized.
Your logic here is faulty - and dangerous.
Cheers,
Presto
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Follow Ups
- Woa now. Isolated from an energized chasis?? How so? - Presto 01:03:06 04/07/07 (0)
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