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Old 05-31-2015, 06:28 AM   #14
kylec2
Montana Fan
 
Join Date: Aug 2010
Location: Garland
Posts: 450
M.O.C. #10688
Our rig has an internal generator. You hear the transfer switch engage when connecting shore power and again when operating the generator. In either case the noise is a slight "thump" and there is no humming coming from the switch.
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