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Old 10th Jun 2021, 6:58 pm   #8
Dave Moll
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Join Date: Feb 2005
Location: West Cumbria (CA13), UK
Posts: 5,327
Default Re: "Duck" telephone

Quote:
Originally Posted by McMurdo View Post
Is it worth trying swapping the line polarity?
I'll give that a try by lashing up a socket with reversed polarity.
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