Does look suspect. Looks more like it’s coming from the meter N-in terminal than the tamper proof DNO tails
It does look like it's coming from the N terminal, I hope that centre switch isn't switching it!
Indeed, and that's because up to two hours of cheap rate for "stored heat and water" can be during the daytime.,
I would say that it must have (for storage heaters as well as hot water) - otherwise it could not meter them separately (I reckon we're a few decades away from having 'smart devices' that can talk to a 'smart meter', so we're currently stuck with having to have one L coming from the meter for each subset of loads one wants to meter separately!).
Yes that one.
The red cable marked O/P is i assume for the storage heaters, the red cable marked 4 for the normal supply and a 3rd grey cable just for the water heater, what i was getting at was maybe there was a 3rd 20 amp CU just for the off peak water heater and now its bunched in one of the 2 new boards
Assuming that you knew it wasn't between midnight and 7am, the probability of that happening out to be 1 in 8.5 (2 hours out of 17) - or, if you are a betting person, 'odds' of 7.5 to 1 !
As Echo has said, it would seem that there are only two outputs - and, indeed, that's all that is need for the functionality that EFLI posted.
Interesting, that's very different from what EFLI. That is very clear in talking about 7 hours off-peak rate - midnight-7am for everything other that storage+water heaters and, for the latter, 5-7 hours between midnight and 7am and up to 2 hours at other times.
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