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Subject Topic: V I R
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03/1/2015 at 12:01pm
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Hi All - Happy New Year. I have a question for the electrical techies out there.
I want to add a hidden LED strip light to my van. Its about a metre long using about 4/5 watts of power. I am sure there is someone out there who can help me with the correct cable. I have purchased a roll of Bell cable, 1.0amp max, CSA 0.22mm, 7 strands, 3 metres long and will fit a cigar lighter plug.
Will this cable be ok to use, I remember in my college days VIR but be blowed if I can remember what to do with it.

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A barman is just a pharmacist
with a limited inventory


03/1/2015 at 1:06pm
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Power = amps   x volts hence in your example if we want the amps we have to divide both sides of the equation by volts leaving amps on its own.

5w / 12v = 0.41666 or just under half an amp so the cable should be ok.

Make sure you fuse it at 1A just to be on the safe side.

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Best Regards

David


03/1/2015 at 1:24pm
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Many thanks - transposition is a little rusty. But looks like the 1amp cable is sufficient

-------------
A barman is just a pharmacist
with a limited inventory



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