Power transformers – Part 21: Standard requirements, terminology, and test code for step-voltage regulators
standard by International Electrotechnical Commission, 12/15/2011

Specifications for particular types of winding wires – Part 0-6: General requirements – Glass-fibre wound resin or varnish impregnated, bare or enamelled round copper wire
standard by International Electrotechnical Commission, 06/09/2020

High-voltage switchgear and controlgear – Part 104: Alternating current switches for rated voltages higher than 52 kV
standard by International Electrotechnical Commission, 08/21/2020

Explosive atmospheres – Part 19: Equipment repair, overhaul and reclamation
standard by International Electrotechnical Commission, 10/18/2019

Power transformers – Part 1: General
standard by International Electrotechnical Commission, 04/20/2011

Electromagnetic compatibility (EMC) – Part 4-30: Testing and measurement techniques – Power quality measurement methods CONSOLIDATED EDITION
standard by International Electrotechnical Commission, 03/04/2021

Classification of environmental conditions – Part 2: Environmental conditions appearing in nature – Section 8: Fire exposure
standard by International Electrotechnical Commission, 06/29/1994

Medical electrical equipment – Part 1-6: General requirements for basic safety and essential performance – Collateral standard: Usability
standard by International Electrotechnical Commission, 01/27/2010

Household and similar electrical appliances – Safety – Part 2-12: Particular requirements for warming plates and similar appliances CONSOLIDATED EDITION
standard by International Electrotechnical Commission, 10/17/2017

High-voltage switchgear and controlgear – Part 100: High-voltage alternating-current circuit-breakers
standard by International Electrotechnical Commission, 07/07/2021