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strange burning marks on bulbs?

adonai · 2015-12-29 17:38:10

during casual cleaning I've noticed that on the bulbs that I have fitted in around the house there are black marks- caused by heat I suppose? This concerns me as I don't remember anything like that was happening in my previous house. I am using energy saver bulbs, from OSRAM to Philips Tornado, with wattage like 21w. So I…

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29-12-2015 6:38pm

#1

adonai

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during casual cleaning I've noticed that on the bulbs that I have fitted in around the house there are black marks- caused by heat I suppose?

This concerns me as I don't remember anything like that was happening in my previous house. I am using energy saver bulbs, from OSRAM to Philips Tornado, with wattage like 21w. So I don't believe that the power output can cause this.

Is this normal, or I should get somebody to look at the installation?

solved! CFL bulbs causing this BS. changing to LED or good old incandescents soon

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#2 29-12-2015 11:28pm
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CFL driver circuits on the way out I expect.

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