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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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    In general, if any part of the string of lights carries mains voltage then the rule is that it is suitable for indoor use only.


    I'd disagree, especially for festoons of B22d lampholders  which are designed to go outdoors. The low wattage lamps were designed to be rained on, and I must have put km of it up over the years. Mains rated LED hose is one of many  new replacements.

    The parameter to look at  is the maker's instructions.
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  • 0

     



    In general, if any part of the string of lights carries mains voltage then the rule is that it is suitable for indoor use only.


    I'd disagree, especially for festoons of B22d lampholders  which are designed to go outdoors. The low wattage lamps were designed to be rained on, and I must have put km of it up over the years. Mains rated LED hose is one of many  new replacements.

    The parameter to look at  is the maker's instructions.
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