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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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Thermal cutouts
I was charging a car battery in situ using my bog-standard B&Q
extension reel on Saturday and its thermal cutout tripped. The charger was giving about 4 amps, which makes it about 50W. I had always presumed that the thermal cutout would trip because of high current passing through it, but am I missing the point? It was quite warm and it may have got a bit warmer than you would expect in the car, but I was a bit surprised. It reset OK and worked later on with a drill. I just wondered whether some of the experts in these things would know whether it's something trivial (too warm in the car, faulty trip etc) or whether I'm just misunderstanding how these things work. |
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