BS EN 61857-41. Electrical insulation systems. Procedures for thermal evaluation. Part 41. Specific requirements for electrical insulation systems for use in dry-type high-voltage transformers with operating voltages of 1kV and above
Edition 2018-05-30

BS EN 60674-3-2. Specification for plastic films for electrical purposes. Part 3. Specifications for individual materials. Sheet 2. Requirements for balanced biaxially oriented polyethylene terephthalate (PET) films used for electrical insulation
Edition 2018-01-10

BS EN IEC 60034-18-32. Rotating electrical machines. Part 18-32. Functional evaluation of insulation systems. Test procedures for form-wound windings. Evaluation by electrical endurance
Edition 2019-07-17

BS EN 4708-201. Sleeves, heat-shrinkable, for binding, insulation and identification. Part 201. Polyolefin identification sleeves. Operating Temperature range -55°C to 135°C. Product standard
Edition 2019-02-10

BS EN 4708-203. Aerospace series. Sleeves, heat-shrinkable, for binding, insulation and identification. Part 203. Polyvinylidene fluoride (PVDF). Identification sleeves. Operating Temperature range -55°C to 225°C. Product Standard
Edition 2019-02-12

BS EN IEC 60034-18-32. Rotating electrical machines. Part 18-32. Functional evaluation of insulation systems. Electrical endurance qualification procedures for form-wound windings
Edition 2020-01-24

BS EN 62271-209 AMD1. High-voltage switchgear and controlgear. Part 209. Cable connections for gas-insulated metal-enclosed switchgear for rated voltages above 52 kV. Fluid-filled and extruded insulation cables. Fluid-filled and dry-type cable-terminations
Edition 2020-05-01

BS EN IEC 60034-27-7. Rotating electrical machines. Part 27-7. Insulation systems used in rotating electrical machines for sealed and moisture resistant winding type and quality control tests
Edition 2021-10-15

BS EN IEC 61557-9. 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 9. Equipment for insulation fault location in IT systems
Edition 2021-05-07

BS EN IEC 61857-33. Electrical insulation systems. Procedures for thermal evaluation. Part 33. Multifactor evaluation with increased factors at elevated temperature
Edition 2021-05-14