Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 15: Functional safety requirements for insulation monitoring devices in IT systems and equipment for insulation fault location in IT systems (Endorsed by AENOR in October of 2014.)
Edition 2014-10-01

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 1000 V
Edition 2014-10-15

Electrical insulation systems - Procedures for thermal evaluation - Part 1: General requirements - Low-voltage
Edition 2009-09-09

Electrical insulation systems - Procedures for thermal evaluation - Part 21: Specific requirements for general-purpose models - Wire-wound applications
Edition 2009-11-18

Electrical insulation systems - Procedures for thermal evaluation - Part 22: Specific requirements for encapsulated-coil model - Wire-wound electrical insulation system (EIS)
Edition 2009-04-01

Electrical insulation systems - Procedures for thermal evaluation - Part 31: Applications with a designed life of 5000 h or less (Endorsed by Asociación Española de Normalización in May of 2017.)
Edition 2017-05-01

Electrical insulation systems - Thermal evaluation of modifications to an established electrical insulation system (EIS) - Part 1: Wire-wound winding EIS (Endorsed by AENOR in June of 2014.)
Edition 2014-06-01

Electrical insulation systems - Thermal evaluation of modifications to an established electrical insulation system (EIS) - Part 1: Wire-wound winding EIS (Endorsed by Asociación Española de Normalización in June of 2024.)
Edition 2024-06-01

Electrical insulation systems - Thermal evaluation of modifications to an established electrical insulation system (EIS) - Part 2: Form-wound EIS (Endorsed by AENOR in June of 2014.)
Edition 2014-06-01

High-voltage switchgear and controlgear - Part 201: AC solid-insulation enclosed switchgear and controlgear for rated voltages above 1 kV and up to and including 52 kV
Edition 2015-07-29