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The original was posted on /r/electricians by /u/devyncole on 2024-01-23 02:40:03+00:00.

I’ve had an electric blanket, heating pad and a phone charger all burnout on a single receptacle. I metered it, 128v. I’ve never had to deal with over-voltage and usually I see ~118 at utilization point in residential. So is that potentially the issue? Opened the panel too and L1-N is 127, L2-N is 127, L1-L2 is 255. I typically have a fair bit of static around our couch due to blankets as well. I’m glad this wasn’t a customer asking cause I’m clueless. Should I contact local utility for overvoltage or is it more likely due to static discharge?