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PostPosted: Sat Apr 07, 2018 3:35 pm 
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I tend to use Screwfix a lot for parts, it is simply handy to where I live, so when I want items I tend to look there first. However with 12 volt LED lighting there advice seems to be flawed.

ImageThis is a good example, in the question and answers it asks "does the transformer need to be upgraded for this product?" the answer
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Hello Colmartin,
When installing these products you will need to use an LED voltage Driver. This can be found under the following links:
http://www.screwfix.com/p/halolite-led- ... 1-9w/66599
http://www.screwfix.com/p/halolite-led- ... -16w/85503
Thank you for using Q&A

I could not believe my eyes, clearly the constant current driver (66599) is completely unsuitable, and even the constant voltage driver (85503) has a DC output, but the picture shows 50Hz/60Hz so clearly designed for AC not DC. Avert here


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PostPosted: Sat Apr 07, 2018 3:51 pm 
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I would expect the lamps to work with either AC or DC. The CC driver is of course not suitable.


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PostPosted: Sat Apr 07, 2018 11:16 pm 
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Likely be it DC, 50/60 Hz or MHz, as long as the supply can regulate at such a low output and it is 12 volt RMS there will be no problem. How when the product is clearly marked 50/60 Hz then not actually recommending a toroidal transformer is wrong.


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