Normas IEC
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IEC
IEC 61557-9:2023 CMV
In Force
2023-12-14
Electrical safety in low voltage distribution systems up to 1 000 V AC
and 1 500 V DC - Equipment for testing, measuring or monitoring of
protective measures - Part 9: Equipment for insulation fault location in
IT systems
IEC
IEC 60061-2D:1975
In Force
1975-01-01
fourth supplement - Lamp caps and holders together with gauges for the
control of interchangeability and safety. Part 2: Lampholders
IEC
IEC 60122-1:2002/AMD1:2017
In Force
2017-12-08
Amendment 1 - Quartz crystal units of assessed quality - Part 1: Generic specification
IEC
IEC 60050-444:2002
In Force
2002-01-21
International Electrotechnical Vocabulary (IEV) - Part 444: Elementary relays
