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Old 15th Jan 2020, 7:34 pm   #25
mhennessy
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Join Date: Jul 2007
Location: Evesham, Worcestershire, UK.
Posts: 4,241
Default Re: Isolating transformer.

Quote:
Originally Posted by Skywave View Post
Quote:
Originally Posted by stuarth View Post
Note that if you have a 3 pin mains socket on the output of an isolating transformer, the earth pin should not be connected to mains earth or the transformer secondary.
And the reason for that is . . . ?

Al.
...given every time this topic comes up. Post #11 has links to a few example threads.



PS: this is another conversation about using an isolation transformer to allow the safe connection of test equipment to a DUT. If you are still using your transformer with a centre-tapped secondary, that's a different use-case to what is under discussion here
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