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Coloured LED "filament" lamps for external use ?

broadgage
I am about to put up my Christmas lights, which this year will include a mains voltage festoon of the traditional type. 40 B22 lamp holders moulders onto tough rubber cable.

I propose to use coloured LED "filament" lamps made by BELL LIGHTING.

These give an impressive light for only 4 watts, and in very striking saturated colours.


On receiving the lamps, I am rather concerned to observe that they are "for indoor use only"

Does anyone know why ? they certainly look waterproof, with a glass bulb directly sealed to the metal cap, and with only 4 watts wont get hot enough for cold rain to shatter the glass.

I am inclined to use them, but don't like ignoring the instructions.

The festoon will  be connected to the mains via an isolating transformer to prevent any electric shock to earth, and an RCD as a second line of defence.

LED lamps
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    The Crompton lamps might in retrospect have been a better choice, but I already have the Bell ones.

    I have left one out in the rain for 2 weeks (not lit) and hung another in the shower for the same time, also not lit. both worked fine. I am satisfied that the glass bulb is actual glass.


    The Bell lamps are larger than the Crompton ones being full GLS size rather than golfball size, that IMHO is preferable as regards appearance.
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  • 0
    The Crompton lamps might in retrospect have been a better choice, but I already have the Bell ones.

    I have left one out in the rain for 2 weeks (not lit) and hung another in the shower for the same time, also not lit. both worked fine. I am satisfied that the glass bulb is actual glass.


    The Bell lamps are larger than the Crompton ones being full GLS size rather than golfball size, that IMHO is preferable as regards appearance.
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