Forum Discussion
DrewE
Feb 16, 2015Explorer II
cdevidal wrote:
Got the surge suppressor the next day (Amazon shipping rocks) and installed it last night. It claimed the outlet I was plugged into was reverse polarity. Which is odd because everything appeared to be working before plugging it in, although I didn't try the A/C or microwave -- but the micro clock was lit. I don't know if that would work or not. Probably it has an internal rectifier.
So anyway, so far it's been a good purchase. If I'd have blown something on the wrong wiring that'd have been ugly.
Appliances don't care about reverse polarity, as AC power alternates polarity 120 times every second. They will work properly indefinitely. The concern is more one of human safety, as switches are wired to be on the hot line and not the neutral, so circuitry is energized (but now powered, if that makes sense) when switched off, and the inner shells of lamp sockets are live all the time, and so forth.
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