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Tube DIY Asylum: RE: Ground Network by Blackdog Do It Yourself (DIY) paradise for tube and SET project builders. |
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Tube DIY Asylum: RE: Ground Network by Blackdog Do It Yourself (DIY) paradise for tube and SET project builders. |
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In Reply to: Ground Network posted by Triode_Kingdom on May 5, 2021 at 09:42:04:
This is nothing new, and there 1000's of pieces of musical instrument and audio gear that use variations of this arrangement.
As long as the chassis is bonded to earth then this arrangement usually passes UL, or whatever safety standard.
There are quite a few variations, from paralleled reversed diodes to a cap and resistor in parallel to Broskie's version with the bridge.
The only stipulation in certifications is that the voltage ratings of the devices used be able to withstand the AC voltage.
"My understanding is that UL is only concerned with the primary side of the power transformer."
absolutely correct
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Topic - Ground Network - Triode_Kingdom 09:42:04 05/5/21 ( 26)
- RE: Ground Network - Blackdog 05/7/21 05:09:08 05/7/21 ( 0)
RE: Ground Network - gusser 11:38:15 05/5/21 ( 14)
- Safety Last - Triode_Kingdom 14:25:16 05/5/21 ( 13)
- RE: Safety Last - gusser 14:33:23 05/5/21 ( 12)
- RE: Safety Last - Paul Joppa 17:10:56 05/5/21 ( 9)
- RE: Safety Last - Ivan303 09:54:48 05/9/21 ( 8)
- RE: Safety Last - Triode_Kingdom 21:18:28 05/9/21 ( 7)
- And further... - Ivan303 10:53:37 05/10/21 ( 4)
- RE: And further... - Triode_Kingdom 12:13:10 05/10/21 ( 3)
- RE: And further... - cpotl 18:43:41 05/12/21 ( 0)
- RE: And further... - fetko 19:36:35 05/11/21 ( 1)
- Certanly if B+ shorts to the chasis... - Ivan303 16:57:25 05/12/21 ( 0)
- If B+ touches the chassis - Ivan303 09:15:20 05/10/21 ( 0)
- Insulation transformers improve the situation - cellailuca 01:06:48 05/10/21 ( 0)
RE: Safety Last - Triode_Kingdom 15:43:54 05/5/21 ( 1)
- That's how I see it too. - 91derlust 21:28:33 05/6/21 ( 0)
RE: Ground Network - Deke609 10:09:26 05/5/21 ( 9)
- RE: Ground Network - Triode_Kingdom 12:13:10 05/5/21 ( 4)
- RE: Ground Network - 91derlust 13:15:49 05/6/21 ( 3)
- RE: Ground Network - Paul Joppa 16:04:53 05/6/21 ( 2)
- Yep. nt. - 91derlust 16:34:02 05/6/21 ( 0)
- RE: Ground Network - fetko 16:29:28 05/6/21 ( 0)
RE: Ground Network - Triode_Kingdom 11:59:57 05/5/21 ( 3)
- RE: Ground Network - Deke609 12:56:39 05/5/21 ( 2)
- Slight Flaw - gusser 14:16:37 05/5/21 ( 0)
- Thanks, I see the problem - Triode_Kingdom 13:21:17 05/5/21 ( 0)
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