British Standards Institution

Sector: Manufacturing

Overview: Under the direction of the Standards Policy and Strategy Committee, is responsible for providing the UK input to IEC/TC112 fro the preparation of International Standards covering methods of evaluation and qualification for electrical and electronic insulating materials, and electrical insulation systems.

Committee standards activity

In Progress (20)

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Reference	Standards description	Status ? The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
PNW 112-644 ED1:	Evaluation of hydrophobicity retention of polymeric insulating materials under high voltage stress with the dynamic drop test Categories: Information management \| Standardization. General rules Proposal begins : 2024-04-08	Proposal
PNW 112-540 ED1:	Dielectric and resistive properties of solid insulating materials - Part 2-3: Determination of relative permittivity and dielectric dissipation factor (AC methods) - Contact electrode method for insulating films Categories: Standardization. General rules \| Measurement and Science \| Metrology and measurement \| Measurement. Electrical and magnetic \| Electricity. Magnetism. Other \| Insulating materials \| Insulating materials. General Proposal begins : 2021-07-29	Proposal
PD IEC/TS 60216-7-1 Ed.2.0	Electrical insulation materials - Thermal endurance properties. - Part 7-1: Accelerated determination of relative thermal endurance using analytical test methods (RTEA) - Instructions for calculations based on activation energy Categories: Unclassified documents Drafting begins : 2025-01-20	Drafting
PD IEC/TR 61857-2 ED2	Electrical insulation systems - Procedures for thermal evaluation -. Part 2: Selection of the appropriate test method for evaluation and classification of electrical insulation systems Categories: Unclassified documents Comment resolution begins : 2024-07-25	Comment resolution
PD IEC TR 60216-7-2:2024	Electrical insulating materials – Thermal endurance properties. Part 7-2: Accelerated determination of relative thermal endurance using analytical test methods (RTEA) – Results of the round robin tests to validate procedures of IEC TS 60216-7-1 by non-isothermal kinetic analysis of thermogravimetric data Categories: Testing. General \| Electrical engineering. General \| Insulating materials. General Approval begins :	Approval
BS EN IEC 63177:2024	Test methods for compatibility of construction materials with electrical insulating liquids Categories: Insulating fluids. General \| Insulation. Other \| Construction materials. General Approval begins : 2024-02-26	Approval
BS EN IEC 61857-42 Ed.1.0	Electrical insulation systems - Procedures for thermal evaluation. - Part 42: Specific requirements for evaluation of an electrical insulation system (EIS) used for road transportation applications Categories: Insulation systems Comment resolution begins : 2024-10-31	Comment resolution
BS EN IEC 61857-33	Electrical insulation systems - Procedures for thermal evaluation. - Part 33: Multifactor evaluation with increased factors at elevated temperature Categories: Insulation systems Public comment begins : 2023-05-05	Public comment
BS EN IEC 60343 ED3	BS EN 60343 ED3 Recommended test methods for determining the relative resistance of insulating materials to breakdown by surface discharges Categories: Electricity. Magnetism. Other \| Insulating materials. General Public comment begins : 2025-03-20	Public comment
BS EN IEC 60216-1 Ed.7.0	BS EN 60216-1 Ed.7.0 Electrical insulating materials - Thermal endurance properties. Part 1: Ageing procedures and evaluation of test results Categories: Electricity. Magnetism. Other \| Insulating materials. General Public comment begins : 2024-02-29	Public comment

Published (59)

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Reference	Standards description	Status ? The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
PD IEC/TS 62758:2012	Calibration of space charge measuring equipment based on the pulsed electroacoustic (PEA) measurement principle Categories: Electricity. Magnetism. Other \| Insulating materials. General \| Insulation systems Published standard begins : 2012-10-02	Published standard
PD IEC/TS 62332-3:2016	Electrical insulation systems (EIS). Thermal evaluation of combined liquid and solid components. Hermetic motor-compressors Categories: Insulation systems Published standard begins : 2016-08-02	Published standard
PD IEC/TS 62332-2:2014	Electrical insulation systems (EIS). Thermal evaluation of combined liquid and solid components. Simplified test Categories: Insulation systems Published standard begins : 2014-05-01	Published standard
PD IEC/TS 61244-2:2014	Determination of long-term radiation ageing in polymers. Procedures for predicting ageing at low dose rates Categories: Measurement. Radiation \| Insulating materials. General Published standard begins : 2014-09-01	Published standard
PD IEC/TS 61244-1:2014	Determination of long-term radiation ageing in polymers. Techniques for monitoring diffusion-limited oxidation Categories: Measurement. Radiation \| Insulating materials. General \| Insulating materials. Plastics and rubber Published standard begins : 2014-09-17	Published standard
PD IEC/TS 60216-7-1:2015	Electrical insulation materials. Thermal endurance properties. Accelerated determination of relative thermal endurance using analytical test methods (RTE<sub>A</sub>). Instructions for calculations based on activation energy Categories: Testing. General \| Electrical engineering. General \| Insulating materials. General Published standard begins : 2015-04-09	Published standard
PD IEC/TR 62836:2013	Measurement of internal electric field in insulating materials. Pressure wave propagation method Categories: Electricity. Magnetism. Other \| Insulating materials. General Published standard begins : 2013-10-03	Published standard
PD IEC/TR 61857-2:2015	Electrical insulation systems. Procedures for thermal evaluation. Selection of the appropriate test method for evaluation and classification of electrical insulation systems Categories: Insulation systems Published standard begins : 2015-04-29	Published standard
PD IEC/TR 60493-3:2017	Guidelines for the statistical analysis of ageing test data. Minimum specimen numbers at different test conditions with given experimental data Categories: Insulating materials. General Published standard begins : 2017-08-24	Published standard
PD IEC/TR 60493-2:2010	Guide for the statistical analysis of ageing test data. Validation of procedures for statistical analysis of censored normally distributed data Categories: Insulating materials. General Published standard begins : 2016-04-25	Published standard

Withdrawn (38)

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Reference	Standards description	Status ? The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
PD IEC/TR 62039:2007	Selection guide for polymeric materials for outdoor use under HV stress Categories: Insulating materials. Plastics and rubber \| Insulators Withdrawn begins : 2021-10-29	Withdrawn
PD IEC TS 62836:2020	Measurement of internal electric field in insulating materials. Pressure wave propagation method Categories: Electricity. Magnetism. Other \| Insulating materials. General Withdrawn begins : 2024-04-11	Withdrawn
DD IEC/TS 62332-1:2005	Electrical insulation systems (EIS). Thermal evaluation of combined liquid and solid components. General requirements Categories: Insulation systems Withdrawn begins : 2011-06-24	Withdrawn
DD IEC/TS 61934:2011	Electrical insulating materials and systems. Electrical measurement of partial discharges (PD) under short rise time and repetitive voltage impulses Categories: Electricity. Magnetism. Other \| Insulating materials. General \| Insulation systems Withdrawn begins : 2024-01-30	Withdrawn
DD IEC/TS 61251:2008	Electrical insulating materials. A.C. voltage endurance evaluation. Introduction Categories: Electricity. Magnetism. Other \| Insulating materials. General Withdrawn begins : 2016-03-04	Withdrawn
BS IEC 61858-2:2014	Electrical insulation systems. Thermal evaluation of modifications to an established electrical insulation system (EIS). Form-wound EIS Categories: Insulation systems Withdrawn begins : 2014-06-11	Withdrawn
BS EN 62631-3-3:2016	Dielectric and resistive properties of solid insulating materials. Determination of resistive properties (DC methods). Insulation resistance Categories: Electricity. Magnetism. Other \| Insulating materials. General Withdrawn begins : 2016-10-21	Withdrawn
BS EN 62631-3-2:2016	Dielectric and resistive properties of solid insulating materials. Determination of resistive properties (DC Methods). Surface resistance and surface resistivity Categories: Electricity. Magnetism. Other \| Insulating materials. General Withdrawn begins : 2016-09-23	Withdrawn
BS EN 62631-3-1:2016	Dielectric and resistive properties of solid insulating materials. Determination of resistive properties (DC methods). Volume resistance and volume resistivity. General method Categories: Electricity. Magnetism. Other \| Insulating materials. General Withdrawn begins : 2023-03-09	Withdrawn
BS EN 62631-1:2011	Dielectric and resistive properties of solid insulating materials. General Categories: Insulating materials. General Withdrawn begins : 2016-10-25	Withdrawn

Standards Development

GEL/112 - Evaluation and qualification of electrical insulating materials and systems

Committee standards activity