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You are watching: Can a 9v power adapter be used for a 12v device


Can i use a 9v 600A adapter rather of 12v 500A one? because that my modem. I know lower voltage rating shouldnt harm it but when ns plug that in, the maker makes a an extremely low humming sound. You re welcome help. I have to download elder scrolls virtual
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It shouldn"t damages it but doubt it would work. Also watch because that DC plug polarity, might be reversed and also that that would more than likely burn one component or another !!!
it shouldn"t damage it yet doubt it would certainly work. Additionally watch for DC plug polarity, may be reversed and also that the would most likely burn one component or one more !!!


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as i pointed out the an equipment is working, i can accessibility the internet at full speed yet am worried around the very low humming noise that is making! choose i deserve to hear it if i save my ear close to it.......and if its working i guess the polarities are fine, cos the initial adapter doesnt screen any.