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Old 24th May 2020, 4:45 pm   #10
Radio Wrangler
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Join Date: Mar 2012
Location: Fife, Scotland, UK.
Posts: 22,905
Default Re: Mains Transformer Question

Be aware that the mounting screws go through holes in the lams, so part of the transformer cuts them. these screws with the bell and the chassis can make a shorted turn on part of the flux. So insulate one end of each screw.

Had endless hours of discussion on this point because the safety people wanted to know that the bell on a transformer mounted on a rear panel was properly grounded because it was exposed to people.

David.
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