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OVE EN IEC 60238:2019-02
Edison screw lampholders (IEC 60238:2016 + A1:2017 + A1:2017/COR1:2018) (english version)
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Разработчик:
Зарубежные/ON
ICS:
29.140.10 Lamp caps and holders / Цоколи и патроны для ламп
Описание
This International Standard applies to lampholders with Edison thread E14, E27 and E40,
designed for connection to the supply of lamps and semi-luminaires 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 terminals
or of the lamp cap, the requirements of the relevant appliance standard are observed and
tested after building into the appropriate equipment, when that equipment is tested according
to its own standard. Such lampholders as well as lampholders provided with a snap-on outer
shell, for use by luminaire manufacturers only, are not for retail sale.
This standard applies to lampholders to be used indoors or outdoors in residential as well as
in industrial lighting installations. It also applies to candle lampholders. In locations where
special conditions prevail, as for street lighting, on board ships, in vehicles and in hazardous
locations, for example where explosions are liable to occur, special constructions may be
required.
This standard does not apply to three-light lampholders E26d.
This standard is based on the following data relative to lamps for general lighting service:
– caps E14 are used for lamps with a current not exceeding 2 A;
– caps E27 are used for lamps with a current not exceeding 4 A;
– caps E40 are used for lamps with a current not exceeding 16 A, or 32 A if the nominal
voltage of the supply does not exceed 130 V (see 5.5 and 6.3).
Where lampholders are used in luminaires, their maximum operating temperatures are
specified in IEC 60598.