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Old 04-03-2003, 06:59 AM   #29
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2005 28' Classic
Austin (Hays County) , Texas
Join Date: Jun 2002
Posts: 5,370
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Doorbell voltage

Common household doorbells will work just fine on 12v DC. The household converters put out 16v AC which is a sine wave. It is the average voltage that rings the bell/buzzer and that is a lot less than the 16v peak. If you look at the RMS (Root Mean Square) of the 16v AC, you will find that the energy content is not far from what you get with 12v DC.

John W. Irwin
2005 Classic 28 "Sabre-Dog III"
2013 Silverado 2500HD Duramax/Allison LTZ
WBCCI #9632, TAC TX-10
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