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Measurement and test methods for tuning fork quartz crystal units in the range from 10 kHz to 200 kHz and standard values
Designation of phase differences by hour numbers in three-phase AC systems
Household and similar electrical appliances - Safety - Part 2-97: Particular requirements for drives for shutters, awnings, blinds and similar equipment
Non-cellulosic papers for electrical purposes - Part 3: Specifications for individual materials - Sheet 4: Aramid fibre paper containing not more than 50 % of mica particles
Insulating materials based on mica - Part 3: Specifications for individual materials - Sheet 2: Mica paper
Equipment reliability testing - Part 6: Tests for the validity and estimation of the constant failure rate and constant failure intensity
Sound system equipment - Part 7: Headphones and earphones
Low-voltage electrical installations - Part 7-722: Requirements for special installations or locations - Supplies for electric vehicles
Non-impregnated densified laminated wood for electrical purposes - Part 3: Specifications for individual materials - Sheet 2: Rings produced from beech veneer
Evaluation and routine testing in medical imaging departments - Part 2-10: Constancy tests - X-ray equipment for mammography
Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 2-28: Tests - Corrosive atmosphere (sulphur dioxide)
Connectors with assessed quality, for use in d.c., low-frequency analogue and in digital high-speed data applications - Part 3: Rectangular connectors - Section 101: Detail specification for a range of shielded connecto…
Household and similar electrical appliances - Test code for the determination of airborne acoustical noise - Part 2-8: Particular requirements for electric shavers, hair clippers or trimmers
Safety in electroheat installations - Part 11: Particular requirements for installations using the effect of electromagnetic forces on liquid metals
Railway applications - Transformers and inductors on board rolling stock
Low-voltage power supplies, d.c. output - Part 6: Requirements for low-voltage power supplies of assessed performance
Measuring relays and protection equipment - Part 121: Functional requirements for distance protection
Electrical apparatus for use in the presence of combustible dust - Part 11: Protection by intrinsic safety 'iD'
Measuring relays and protection equipment - Part 22-2: Electrical disturbance tests - Electrostatic discharge tests
Household and similar electrical appliances - Safety - Part 2-75: Particular requirements for commercial dispensing appliances and vending machines
