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I am a commercial electrician in the US and I'm not very familiar with UK standards or code, but I should be able to help a little. From what I understand, a typical household runs lighting on a 5A fused circuit. Watts = Volts*Amps = 230*5 = 1150 Watts maximum total on the lighting circuit. It the US we us a maximum of 80% of the rated load, which would ...


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to get the needed amp rating for the wiring and fuse you take the wattage of the bulbs divide by the voltage and multiply by number of bulbs. so 15 75W bulbs means 75W/230V*15 ~ 5 amps. this is much less than would need a dedicated circuit. (it's the same as a 1125W appliance).


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For USA jobs, the national electric code mandates a minimum of 1 1/4" from the edge of the wood to the cable (reference NEC Section 300-4). In other words, if your screw mounts less than about an inch into the wood, and the wire was installed correctly, you're fine. I'd recommend using a bracket with a series of shorter screws rather than one big one. ...


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If the mounting hardware would hit a cable, you need only move the mirror a few inches to avoid it. Cut a small hole in the drywall / plaster and look in the wall. See where the cables go and hang the mirror in a way that doesn't hurt them. Cut the hole in a place that the mirror will cover, and you don't need to worry about doing a good repair job on it. ...



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