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99miles 10-09-2009 03:53 PM

Odd electrical issues after electrical work
I had my electrical meter outside upgraded, and my electrical panel upgraded from 100amps to 200amps.
They didn't touch anything else.
I have noticed a few things since. My TV now buzzes. It's an older tv (not flatpanel). The buzz comes from the back, inside.
A little boom box I had plugged in fried. It doesn't turn on now.
The power adapter plug to my tv cable box fried.
And now I even noticed that playing back mp3s on my computer sound really messed up and weird. I know, that's an odd one.
When I had an initial inspection on the house they said that the polarity was reversed on a lot of outlets. I am about to fix those, but that's still true.
I called the guys back that did the work and he noticed a bad switch and recommended I replace that because it could be shorting things out.
I'm definitely not blaming the guys that did the work the other day because they were very professional and did good looking work. I'm just wondering what would cause this stuff, and if there's anything I should look for.

99miles 10-09-2009 04:55 PM

I figured out with the audio playback on my computer it's the external speakers sounding REALLY out of phase. Did they just get fried too?? Ugh

99miles 10-09-2009 06:35 PM

Sounds like it was a power surge.

joed 10-09-2009 07:01 PM

Sounds like a possible loose neutral. The voltage on one of your legs might be low whilethe other goes high.
Do you notice anything with the lights? Like some of them going brighter?

99miles 10-09-2009 07:07 PM

Heh, I have no idea what that means, but I will keep an eye out for odd light issues tonight.

Speedy Petey 10-09-2009 07:15 PM

Yup. Loose neutral on a multi-wire circuit.

Can you call the electricians back who did the panel?

AllanJ 10-09-2009 07:43 PM

Plug in some incandescent ("old fashioned light bulb type") lights. If they are unusually dim or unusually bright, the you have a neutral problem and need to unplug all electronic equipment (including microwaves and also refrigerators and washing machines with digital readouts) from those circuits and get an electrician in as quickly as you can.

Hopefully there is a good circuit for the refrigerator. String an extension cord if needed.

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