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2

If the last light goes out when the second to last is removed, the wiring error may be: Where electricity travels through the second to last bulb, on it's way to the last bulb. If so the last two bulbs may also have been dimmer than normal (if they are incandescent). The bulb type matters here: using CFL or LED lights during testing can add to the ...


0

How many lights in total? The total wattage of all globes may exceed the switch/circuit rating? i.e. 6x 100W globes on a 400W dimmer or switch. You could possibly run two parallel sets to reduce the load, but this will decrease brightness. e.g. use (+)---switch<===:=:=:===>---(g) rather than (+)---switch---.-.-.-.-.-.---(g)


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Sounds like europe? Total Wattage divided by voltage = Amps or Volts x Amps = Watts. so 240V x 30A= 7200W. I would personally not hit that 7200 total watts and have the circuit totally loaded. so the wattage of the lamps is the determining factor as Niall said.


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Another possibility not yet mentioned would be that some kinds of light switches will 99.9% interrupt current but still let through a tiny residual amount. This is particularly true of electronic dimmers that don't use a neutral connection (many need a tiny amount of power for their control circuitry) and for self-illuminated light switches. When using ...


4

Another alternative would be to fur out the ceiling and install a drywall ceiling on top of your existing ceiling. This would give you an area to run new, concealed wiring. Another benefit to this is that you wouldn't need to scrape the existing ceiling which can be really messy (not to mention a lot of work), and you will need to mud/tape and paint ...


5

While that might work, I doubt your HOA would allow grooving the ceiling because the concrete is part of the common structure. Instead, install flat conduit. Or flatwire. Or maybe you might like a beam which could conceal a wire.


4

Sounds okay to me. I'm guessing one cable is the feed to the box, another goes to the switch, and the final cable goes off to some other part of the circuit. The black wire in the cable going to the switch, is connected to the black feed wire. The white wire in the cable going to the switch, brings switched power back to the fixture. Since the cable only ...


2

Pull the spring-loaded prong away from the dome, and tip the dome below it - then pull the dome away from the other two prongs. Don't push the spring-loaded prong with the dome. Simple geometry says that the required distance of movement to get one prong clear is considerably less than what's need to clear the ones at 120 degrees from it. Trigonometry ...


1

How about a "smart bulb" product such as an Insteon LED bulb? I've used these to replace old pull-chain ceiling sockets with more attractive fixtures. A single bulb is around $50 and you can buy a wall mount remote for around $30.


0

In general yes. Use an LED bulb that is marked 'dimmable', and do not use it in an enclosed glass fixture -- many of the bulbs are made of plastic and can melt. Also, look for a bulb that has more even light distribution; older bulbs often had the LED elements on a rectangular bar that created 'stripes' of higher and lower intensity light, all of which ...


0

LED's of any consumer wattage run cool enough to use in any incandescent-rated socket. The warning is specific to halogen incandescent bulbs, which run hotter than standard incandescents. Go for it.


4

I'm assuming this is a 100 watt equivalent bulb, that is actually only running 18-20 watts. Using a 100 watt equivalent will be safe as they run much cooler than even an incandescent.


0

It is a bit dependant on the exact internals what is the exact cause, but the most likely one is that the system to switch the light on and off uses an electronic element called a Triac. If it can also be dimmed this is very probable even. It is potentially possible to burn out a Triac by suddenly switching on a load that's a bit over its limit. If the ...


1

One thing I do in removing lights switch covers etc is take a razor knife & cut around the edges then as I pull coveers away I don't ruin 6 inches of paint wallpaper



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