isolation transformer grounding issue

Posted by glue tech (A) on June 26, 2018 at 09:27:10

I have a smallish toroidal isolation transformer that I have been using for a few months. I got it used for cheap, but it seems to work fairly well for the limited demands I make of it. I have a couple of power strip/surge protector type devices that tell me that they are not grounded when plugged into the isolation transformer. I have checked all the grounding connections inside the box and have tried a different power cord on the transformer. Even using a two prong adapter on the strip and running a dedicated ground to the wall did not alleviate the problem. So now I am puzzled. I am ignorant about transformers and how they are grounded. Is this transformer likely damaged? Beyond repair? I listen to vinyl so grounding is a major issue. It does improve the sound and lowers noise, but I would like it to be properly grounded, and frankly am puzzled as to why not even a dedicated ground seems to ground a power strip which tells me it is grounded when plugged into that same outlet.

thanks

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Topic - isolation transformer grounding issue - glue tech 09:27:10 06/26/18 (19)

RE: isolation transformer grounding issue - jea48 21:39:11 06/28/18 (2)

RE: isolation transformer grounding issue - Palustris 07:34:29 06/29/18 (1)

RE: isolation transformer grounding issue - jea48 12:48:48 06/29/18 (0)

RE: isolation transformer grounding issue - jhrlrd 23:16:36 06/26/18 (0)

RE: isolation transformer grounding issue - Duster 14:55:06 06/26/18 (0)

RE: isolation transformer grounding issue - Palustris 10:07:24 06/26/18 (13)

RE: isolation transformer grounding issue - 6bq5 10:27:40 06/28/18 (1)

RE: isolation transformer grounding issue - Palustris 10:48:24 06/28/18 (0)

RE: isolation transformer grounding issue - vinnie2 05:18:12 06/27/18 (10)

RE: isolation transformer grounding issue - Palustris 08:01:56 06/27/18 (9)

RE: isolation transformer grounding issue - vinnie2 10:01:23 06/27/18 (8)

RE: isolation transformer grounding issue - Palustris 14:17:37 06/27/18 (7)

RE: isolation transformer grounding issue - vinnie2 17:50:30 06/27/18 (6)

RE: isolation transformer grounding issue - Palustris 05:57:59 06/28/18 (1)

RE: isolation transformer grounding issue - vinnie2 07:38:01 06/28/18 (0)

Quote Palustris - Uncle Mike 04:56:37 06/28/18 (3)

RE: Quote Palustris - vinnie2 07:46:06 06/28/18 (2)

RE: Quote Palustris - Uncle Mike 14:36:27 06/28/18 (1)

RE: Quote Palustris - vinnie2 14:48:38 06/28/18 (0)

isolation transformer grounding issue

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