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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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  • 0
    Not sure about those, I have been involved in the installation of  a set of lights where after LED retrofit for old B22s, we were caught out by some where during a rainy day the plastic bulbs filled with water , which then boiled on switch on, and steam pressure then fired the coloured domes into the crowd below, luckily without any incident more serious than some nervous laughter, but it had potential to have been quite nasty.


    A quick turn of self amalgamating tape to hold  the lamp in the socket when re-lamping seemed to do the trick.

    So my advice is to see if the globe, which in our ones was purely cosmetic, and not glass at all, is actually watertight.
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  • 0
    Not sure about those, I have been involved in the installation of  a set of lights where after LED retrofit for old B22s, we were caught out by some where during a rainy day the plastic bulbs filled with water , which then boiled on switch on, and steam pressure then fired the coloured domes into the crowd below, luckily without any incident more serious than some nervous laughter, but it had potential to have been quite nasty.


    A quick turn of self amalgamating tape to hold  the lamp in the socket when re-lamping seemed to do the trick.

    So my advice is to see if the globe, which in our ones was purely cosmetic, and not glass at all, is actually watertight.
Children
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