How did he know that supply was TN-S? Also it looked like the RCD was a Type A where is the DC protection in compliance with Regulation 722.53.2.10?

I am surprised the plastic suffing glands did not jump a thread or strip the threads with that amount of force.

Interesting too John, he assumed it was TNS because the cable sheath was the Earth terminal. As we know this is meaningless, it may well have been TNC-S. I have not seen that cable he was using, looked like 3 core plus a twisted pair for EVs. Certainly not TT and whilst the RCD test was just OK, it was closer than normal, I wonder why?

Customers of mine are having an E.V. charging point installed by A.N. Other. The customers have to do their own survey and send photos of what they have got and emails with other information to the charger installers. I had to install a new circuit and have just left an outside 40 Amp rotary isolator. The charger is \Solo Smart Charger. A circuit with or without R.C.D. protection is acceptable according to the installer's letter. NO TT requirement is made. The installers know that the supply is P.M.E. They are happy with that.

Z.

P.S. BUT if an R.C.D. is installed it must be a Type A the installers say.

Z.

These are presumably the proper glass-fibre loaded nylon glands, and not the cheap all-plastic ones that jump threads. The torque can be  high then.

some makers data

Click on the table to enlarge. Asuming that is M25 or so, then 7.5nm is about 6ft pounds so he  is probably overdoing it a bit, but not b so much, hand pressure on a  10 inch spanner not held at the ends.

I like the way the filming stops as the meter seal and cover are removed. 

Probably just the DNO fuse seal actually and then cut the existing meter tails to reach the Henleys with a bit of a loop. No need to open  the meter :-).

Only the main fuse seal is missing at the end - in shot at 9.33 gone at 10.56.

No sign of a temporary DNO approved paper seal. Ah well.

Mike.

The meter tails outgoing are both grey at the beginning, but are blue and brown at the end which is a bit of a give away.

Yes Colin and are not from a meter installer, another give-away. Can anyone see why?

How did he know that supply was TN-S? Also it looked like the RCD was a Type A where is the DC protection in compliance with Regulation 722.53.2.10?

I believe the pod points have in-built 6mA RDC-DD and Open PEN protection (cdn.yesss.co.uk/.../1960382_03_S7UC3_Datasheet_e4ed07b6d89be3f17f6c87f250f27318.pdf ) so should be OK on PME systems and an A-type RCCB.

I did notice plastic cleats for the new cable though ... 521.10.2?

 - Andy.