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And when you say the SWA is "10mm" exactly which dimension are you referring to?

RFCs are a kluge, they are "deemed" to be compliant cos the regs say they are.

Clearly! More likely this was written somebody in the marketing department who knows nothing, and aimed at customers who are not expected to understand the technical detail anyway.

Well, the current carrying capacity of 16mm² 70C Thermoplastic SWA is between 78 and 97A (from table 4D4A), depending on how it is installed, which is less than the 100A fuse in the cut-out (if there really is a 100A fuse in there). So strictly speaking you can't use that cable with a 100A...

I have Community Fibre and so far very good. The responded quite quickly when a fox bit through my fibre. They use an OEM Linksys Velop router with a 2.5G interface facing the (Adtran) ONT. The fibre comes through a hole in the wall into an internal junction box (photo #3) and a fibre of...

Absolutely right, openreach have enough to do with the fibre rollout without worrying about minor unauthorised modifications to a soon to be obsolete technology, as long as they don't impact the service. https://www.openreach.com/fibre-broadband/retiring-the-copper-network

Openreach Limited are a separate company from BT Retail, but are wholly owned by BT Group PLC. The equality of access to services agreement that Openreach has with Ofcom required them to treat all organisations purchasing services from them the same. That includes BT retail. How well this is...

Look up "discrimination/selectivity" with relation to fuses, MCBs etc. Look at the time/current trip curves for MCBs and various fuse types. You should then be able to work out why a fuse is being suggested as the upstream device. It's nigh on impossible to accidentally damage an SWA in the...

You could start here, it will give you a feel for the issues. https://electrical.theiet.org/wiring-matters/years/2020/80-may-2020/the-iet-code-of-practice-for-electric-vehicle-charging-equipment-installation-4th-edition/

You cannot avoid taking on liability. If something goes wrong you'd probably be liable. You have to take all reasonable steps that a provider of such a service would be expected to take to ensure that it is done safely, and then you should insure yourself against any subsequent liability that...

The wheel rim in relation to the axle? It's all relative (isn't everything?) ;)

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A 2b pencil is good for rejuvenating those contact pads

It doesn't have to. This is about posting information that is WRONG: "If the circuit is Ring Final Circuit (general assumption would be 32A Breaker and 2x2.5mm cable connected for RFC at the DB) , you can only take one unfused spur from the feed/supply socket. You cannot have multiple unfused...

That's a different matter from it not being permitted.

That's an appendix, isn't it? Informative, not normative. I've yet to see anybody reference an actual regulation number.

There is no regulation to that effect.

In which regulation of BS7671 is the above stated? Reg.number please, not guidance from an appendix which is only advisory.