Seems that I'll no longer have to do this myself:
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Complete boIIocks. Unless you can identify those electrical equipment manufacturers whose share price has suddenly shot up on the announcement of the requirement for more widespread use of RCDs.
The increased use of RCDs has been ongoing for years now. Hardly a surprise.
Angled support wires definitely increase the force in each wire. With two wires and a 120 deg angle between the wires, each wire will have a force equal to the weight of the object. As you increase the angle between the wires, the forces increase. With the angle you have there, I estimate that...
I'd be tempted to try IR testing at the maximum voltage that your meter will produce. Make very sure that you've disconnected all loads on the circuit. You might just be able to provoke the fault.
Unless you're running a large compressor, welder, etc., I would just install a 13A FCU in the supply to the garage. What exactly are these 'high amp power tools'?
Alternatively, I would look at the possibility of breaking into the socket ring at another convenient location and extending it into...
These terminals typically have a plastic shroud with one access hole per terminal for the conductor. They're not very good. You just have to do them up as tight as you dare without stripping the thread.
Why would you even consider testing less than 100% of the circuits on domestic premises? It's not like there's likely to be any planned maintenance or regular recorded inspections.
Or, how about:
I need a C.K Stubby VDE slim screwdriver 4 pack because it looks a bit more professional than a screwdriver bit grasped with a wrench, which is what I used for this job.
Think I've put this up before. Little Giant ladder. I've used it a few times in various ways on stairwells. I got the customer to take the weight while I attached it to the ceiling.
If you're measuring 24V DC across the terminals of a 24V DC motor and it's not rotating then, unless the motor has some sort of control system built in, either your meter's knackered or the motor's knackered.
How about doing us a sketch of the circuit around the motor and light?
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