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Old 27th May 2020, 11:26 pm   #6
TonyDuell
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Join Date: Jun 2015
Location: Biggin Hill, London, UK.
Posts: 5,188
Default Re: Bellset 50B - terminals and switch wiring

I think he's asking why the second set of gravity switch contacts (the upper set in the diagram you refer to) are needed.
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