1 Scope
This International Standard applies to lampholders with Edison thread E14, E27 and
E40, designed for connection to the supply of lamps and semi-luminaires 1 only.
It also applies to switched-lampholders for use in AC circuits only, where the working voltage does not exceed 250 V r.m.s.
This standard also applies to lampholders with Edison thread E5 designed for connection
to the supply mains of series connected lamps, with a working voltage not exceeding 25 V, to be used indoors, and to lampholders with Edison thread E10 designed
for connection to the supply mains of series connected lamps, with a working voltage not exceeding 60 V, to be used indoors or outdoors. It also applies to lampholders
E10 for building-in, for the connection of single lamps to the supply. These lampholders
are not intended for retail sale.
As far as it reasonably applies, this standard also covers lampholders other than
lampholders with Edison thread designed for connection of series-connected lamps to
the supply.
NOTE This type of lampholder is for example used in Christmas tree lighting chains.
As far as it reasonably applies, this standard also covers adapters .
This standard also covers lampholders which are, wholly or partly, integral with a
luminaire or intended to be built into appliances. It covers the requirements for
the lampholder only. For all other requirements, such as protection against electric
shock in the area of the ...