Rank: Forum user 
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Hi all sorry for the personal query but I know I should find the answer from one of the sparks out there. I bought some new LED Xmas lights this year from a well known supermarket and the plug gets very hot after a short time in use. None of my other Xmas lights do this. I don't think I can face re-doing the tree as is always a stressful event in the Boulton household. Can anyone tell me a hot plug is normal for LED lights as only ever had the traditional kind before. Many thanks in advance.
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Rank: Super forum user
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Lisa,
I've got six sets dotted around and all the transformers are warm to the touch.
John
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Rank: Forum user
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Thanks John that is reasurring.
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Rank: New forum user
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As John states
Transformers do generate heat this is normal, unfortunately to keep manufacturing costs down (profits up)many transformers are fit for purpose and running almost to capacity. If larger transformers were used there working process would generate less heat.
Occasionally inspect the plug and socket for signs of discolouration if none your Ok
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Rank: Super forum user
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That last line from Pattinson is oh so true.
Look at the pins of the plug and the inserts on the socket outlet. If brown then switch them off as there is a poor contact in one or the other. The pins of the plug should not be hot to the touch as this would transfer heat to the pvc cables connected to the outlet. These conductors and hence insulation should not be subjected to temps of more than 70 deg C
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Rank: Super forum user
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Just a thought, Lisa, you said plug? Is this a transformer (large thing) or a normal type plug-top?
Rob
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