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I would point out that it’s very possible to do work that appears to function but isn’t necessarily safe.
I know. This is true whether the circuit is earthed or not, I think? Although it's possibly more likely to install a fitting in a way that's less than acceptable with a circuit that has no earth. But class ii fittings exist - like the plastic ceiling rose - to side step the worst of that.
I would also say that a DIYer almost certainly doesn’t have the equipment to test and verify the suitability or condition of existing wiring.
Yeah, it's unlikely. I was referring to tooling a consumer needs to verify the wiring they are working on is 'dead', having been shut off at the fuse box / consumer unit.
I didn’t do this. Nobody has died.
Get some connectors, watch a load of YouTube videos, get the tools you need to be absolutely certain you’ve turned off the juice to it and DIY it.
If it’s not earthed just make sure you get class ii fittings.