All-or-nothing electrical relays
Edition 1997-03

Methods of measurement for equipment used in digital microwave radio transmission systems - Part 2: Measurements on terrestrial radio-relay systems - Section 7: ......(abbreviated)
Edition 1996-06-20

Self - ballasted lamps for general lighting services - Safety requirements
Edition 1990-12-05

Self-ballasted lamps for general lighting services - Safety requirements
Edition 1992-12-17

Time switches for tariff and load control
Edition 1996-06-12

Electricity metering - Tariff and load controls - Particular requirements for time switches
Edition 1998-11-18

Transformers and inductors for use in electronic and telecommunication equipment - Part 4: Sectional specification for power transformers for switched mode power .....(abbreviated)
Edition 1997-06-16

Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-13: Examinations and measurements - Control stability .....(abbreviated)
Edition 1997-12-03

Short-circuit currents in d.c. auxiliary installations in power plants and substations - Part 1: Calculation of short-circuit currents
Edition 1997-10-28

Short-circuit currents in d.c. auxiliary installations in power plants and substations - Part 2: Calculation of effects
Edition 1997-10-28