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8 AWG is 8.37 mm2.
Canada and the US have somewhat similar electric regs and as far as I know none of them require proper testing and inspection, therefore few electricians actually own testers.
That’s what I thought too. Let‘s hope it’s 1 mm2 T&E with the earth cut back. Even that would be 20+ years old though.
On the other hand, unless overloaded or damaged mechanically or by extremely harsh conditions PVC cable and flex lasts pretty much forever.
That will only work with solid wires but the picture looks like flex. You‘ll most likely need to release the spring pressure in order to get the wires in.
Probably need to stick a screwdriver into the little slot to release the silver spring, push the wire into the adjacent round hole, remove the screwdriver and check if the wire won‘t pull out of the terminal easily.
These are individual connectors fixed onto a DIN rail. Wago makes them, as do a few others. Unfortunately I can’t remember their name off the top of my head.
There are only two options if there are two switches:
1) Both switches up = off, both switches down = off, one up/one down = on
2) Both switches up = on, both switches down = on, one up/one down = off
With more switches things get more complicated.
Accessories (in this case the new socket) create a horizontal safe zone, don‘t they? So assuming the blanking plate remains visible, all the cabled should be in safe zones.
Sounds absolutely fine if you extend both legs of the ring (assuming it is a ring). If it’s a radial you can just run one single 2.5 T&E to the new socket location.
If you think that no power is getting to the FCU, you probably need to start checking fuses at your consumer unit. Remove each fuse and test it.
You can do that by putting the fuse onto a smartphone screen, so that only one of the metal caps touches the screen. If you touch the other cap with...