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What is the polarity for the 12V power supply ... ie, centre pin +ve or -ve ? Does it matter ?

by Guest22883853  |  9 years, 7 month(s) ago

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What is the polarity for the 12V power supply ... ie, centre pin +ve or -ve ? Does it matter ?

 Tags: 12v, centre, IE, matter, pin, polarity, power, supply, VE

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