Charger makes a light hissing noise?
My phone charger makes a light hissing noise when I plug it into the wall.
It's a USB cord connected to a block.
The USB cord is one that came with my iphone 5s, the block is one my dad just gave me.
I think it's the block that's hissing. Not my phone or the outlet.
It's not loud or annoying. It just worries me. I don't want it to start a fire or anything.
Is this normal?
Hi yes that is the mechanical noise some make. Due the coil winding not being as tightly wound on the freight cores as they should be. It is not dangerous just a bit annoying as they are made as cheap as chips this is the reason.
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