Might be an obvious one but I want to confirm the right way ... how to crimp a spur off a 4mm T&E? With 3x4mm cables, yellow insulated for the earths, and 10mm uninsulated for L+N? Is it best to feed all three in one end, or two in one end, and third in the other?
Thought about that but stuck because running to an accessory still means breaking and extending with crimps and adds 5m to circuit length (radial) which can push over volt drop on last socket.
If really needed, can dig through plaster to access the box. Not trying to be smart or nothing, but regs allow crimps and solder for inaccessible joints if done proper and tested. Cable runs along top of wall and putting a socket in on other side of wall and no close accessory I can take off from.
Thought about that but stuck because running to an accessory still means breaking and extending with crimps and adds 5m to circuit length (radial) which can push over volt drop on last socket.
I'm going to challenge you on that. You must have quite a load to push yourself over the vd threshold on a 4mm² conductor by just adding 5 metres of cable!
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