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 Post subject: Led lamps with dimmer
PostPosted: Wed Oct 26, 2016 8:07 pm 
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Planning to install a 5 lamp chandelier with dimmable virtual filament lamps. But the dimmer switch I have is rated at 400watt max, 60watt upwards. The 5 lamps are nowhere near that greedy. Are dedicated LED dimmers available, or do I have to use one ordinary incandescent lamp in the mix?

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PostPosted: Wed Oct 26, 2016 8:17 pm 
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I had 6 LED downlights installed in my boys room and the wife wanted a dimmer switch. My sparky mate did the work but he had to get a dimmer switch that was compatible with the LED downlights and it cost around 25 quid(ish) if I remember.



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PostPosted: Wed Oct 26, 2016 8:43 pm 
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Used my initiative,(should have done that first) and found this:
https://www.downlights.co.uk/led-dimmer-switch.html
less expensive than using incandescent! :thumbright:

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PostPosted: Wed Mar 15, 2017 2:33 pm 
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I've heard good things about the Varilight V-PRO range of dimmers from my sparky friend in case it's of use :)


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PostPosted: Sat Nov 25, 2017 5:13 pm 
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The cat is back! I hope I am still welcome.

I finally got my house, most of my stuff is there as well. I'll be installing the chandelier, or should I say electrolier as it has no candles, in February.

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PostPosted: Sat Nov 25, 2017 5:18 pm 
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DYOR, trailing edge & leading edge dimmers - it's something to do with AC current I can't get my head round.


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PostPosted: Sat Nov 25, 2017 5:33 pm 
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arco_iris wrote:
DYOR, trailing edge & leading edge dimmers - it's something to do with AC current I can't get my head round.


Its not that bad.

A.C. Is alternating current

If you could see it, you would see a sine wave just like the one below

Image

This sine wave is "moving" at 50 times every second.

A dimmer works by switching off the electricity.

A leading edge dimmer switches off just as the sine wave starts to "rise"

A trailing edge dimmer switches off just as the sine wave nearly "ends"

It takes a lot more electronics to make a trailing edge dimmer than it does a leading edge dimmer, so that is why most dimmers are leading edge, just because it costs less, and the fact when they were invented, trailing edge dimmers were not needed.

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PostPosted: Sat Nov 25, 2017 5:55 pm 
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Mooncat wrote:
The cat is back! I hope I am still welcome.



We all thought you had shuffled off this mortal... :wink:

:huray: on the house move

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PostPosted: Sun Nov 26, 2017 5:12 pm 
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It is taking longer than I hoped, but I have some lives left, I hope. I am back in Wales until the end of February. I'll post some pix elsewhere.

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