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Had similar on a TT system where the overhead cables had been rubbing together over the years and finally shorted out causing both line and neutral to be at the same potential. The incoming line conductor was supported by a catenary which was also the neutral, only two properties running of the...

The cupboard being used as a paint store isn't ideal either. You have mentioned 2011, is there any paperwork to back this date up as that looks quite a bit older?

I would consider agency/contracting work to tide you over until you could build a customer base/reputation. This would keep the cash flow going. I know someone in Peterborough who does national work including telecoms and some government work (schools/NHS etc) if you get stuck? I'm in a similar...

That's one possible outcome... 😂

You know exactly what's coming...

As soon as I saw AFDD I got a headache without reading any further.

Rip it out as that SY is not suitable to be used like that and will degrade quite quickly, also SY is a non-standard cable and it's use is frowned upon.

Watched the whole lot, excellent dramatisation but they used one actor to play the part of many scientists and engineers who worked hard to sort the whole mess out. I won't tell you what happens in the end...

Here's quick overview I did a couple of years ago.

SWA termination would be better assessed on the AM2 or is that just me thinking logically?

Yet SY termination is assessed on the AM2...

I asked the NIC tech helpline a couple of months ago and they stated it was perfectly acceptable to use RCD socket-outlets if the installation method allowed. And I second the SY question...

I visited a rooftop site in Croydon a few years ago, it was on a block of flats with the telecoms equipment behind some hoardings. There was a net over the lot to stop pigeons getting in but they did and couldn't get out. The landlord had got a contractor in to shoot all the pigeons and remove...

To hazard a guess the contactor is not operating correctly to energise the off peak supply when required.

Ionisation or optical alarms?

Picture 3, is that a power track system?

Ideally a couple of pictures of the meter and consumer units would help but I don't think the Economy 7 circuits not working is coincidence... What is your location?

411.3.3 Additional requirements for socket-outlets and for the supply of mobile equipment for use outdoors In AC systems, additional protection by means of an RCD with a rated residual operating current not exceeding 30 Ma shall be provided for: (i)                  socket-outlets with a rated...

Chernobyl on Sky Atlantic is a very good watch.

What type of cable are you using? CSA looks a bit small...