Electricity

prpr

Well-Known Member
This happened on Friday morning:
volts.png
What do they do to dump the load when things like this happen? Presumably Dinorwig etc., but what happens if they've already filled it up overnight?
(It's rare I see over 250V here - I've got a Min/Max thermometer on my UPS monitoring software! Although this came off a Tapo - who knew it exposed this info.?)

Edit: Updated the image. The Blue and the Red are plugged in next to each other in the same double socket (and show a fairly consistent 0.5V difference), and the yellow one is from the other place.
 
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