Progressive industries ems 30hw hums
I just installed a progressive industries ems30hw surge protector and it makes a humming or buzzing noise do others find this to be true.
Forum Discussion
mine hums (doesn't know the words)
It's the contactor in there that does that. and maybe the transformer that reduces the voltage for the external display. I don't find it to be distracting.
It's the contactor in there that does that. and maybe the transformer that reduces the voltage for the external display. I don't find it to be distracting.
