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NF C42-198-8 ; NF EN 61557-8:2015-05-01
Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 8: insulation monitoring devices for IT systems
Edition
2015-05-01
NF C42-198-9 ; NF EN 61557-9:2015-04-25
Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 9: equipment for insulation fault location in IT systems
Edition
2015-04-25
NF C42-198-15 ; NF EN 61557-15:2014-11-01
Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 15: functional saftey requirements for insulation monitoring devices in IT systems and equipment for insulation fault location in IT systems
Edition
2014-11-01
NF C46-050-2-4 ; NF EN IEC 61326-2-4:2021-06-04
ctrical equipment for measurement, control and laboratory use - EMC requirements - Part 2-4 : particular requirements - Test configurations, operational conditions and performance criteria for insulation monitoring devices according to IEC 61557-8 and for equipment for insulation fault location according to IEC 61557-9
Edition
2021-06-04
NF C51-127-4 ; NF EN IEC 60034-27-4:2018-06-29
Rotating electrical machines - Part 27-4 : measurement of insulation resistance and polarization index on winding insulation of rotating electrical machines
Edition
2018-06-29
NF C52-176-3 ; NF EN 60076-3:2014-05-16
Power transformers - Part 3: insulation levels, dielectric tests and external clearances in air
Edition
2014-05-16
NF C52-176-3/A1 ; NF EN 60076-3/A1:2018-05-18
Power transformers - Part 3: insulation levels, dielectric tests and external clearances in air
Edition
2018-05-18
NF C52-558-2-10 ; NF EN 61558-2-10:2014-08-09
Safety of transformers, reactors, power supply units and combinations thereof - Part 2-10 : particular requirements and tests for separating transformers with high insulation level and separating transformers with output voltages exceeding 1 000 V
Edition
2014-08-09
NF C64-471-4 ; NF EN IEC 62271-4:2022-09-16
High-voltage switchgear and controlgear - Part 4: handling procedures for gases for insulation and/or switching
Edition
2022-09-16
NF C90-901-201-2 ; NF EN IEC 63203-201-2:2022-06-03
Wearable electronic devices and technologies - Part 201-2: Electronic textile - Measurement methods for basic properties of conductive fabrics and insulation materials
Edition
2022-06-03