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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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In Reply to: In what way is electrical ground different than earth ground? posted by Russ57 on April 27, 2007 at 13:36:08:
For instance, if your circut (any circut) were battery powered, then there is no actual Earth Ground connection. Yet the circut still operates, because there does exist a Common pathway for current return. With AC Mains powered equipment, the separate power supply circut derives the DC voltage to operate the audio circut, and again except for Safety with such AC Mains powered devices, there is no audio circut requirement for an Earth connection. But refering to the current Common return as an electrical ground DOES sometimes cause confusion as to how & where to make a Safety Earth Ground connection to the circut. Another example is *ground loops*, which are actually current loops that may exist even when no Earth connection is present. I must wonder if anyone bothered to read my original text, or just the subject header. Anyway, guess old habits are hard to discard, especially after a century of use.
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Follow Ups
- Re: In what way is electrical ground different than earth ground? - Ron Oehlert 15:15:01 04/27/07 (1)
- DC amps still need AC grounding. - cheap-Jack 09:28:06 04/28/07 (0)
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