Tap-changers—Part 2Application guidelines
Execute Date: may 2026

Standard published on 31.10.2025

Basic testing method for low-voltage switchgear and controlgear assemblies

Standard published on 24.2.2016

Hazard reducing device for arc welding power source

Standard published on 31.12.2012

Guide for compatibility and protection of interference effects between semiconductor convertors and power supply system

Standard published on 8.11.2006

Oil well cement

Standard published on 11.9.2015

General specification for colour television broadcasting receivers

Standard published on 31.10.2011

Specifications for the editing and production of programme source for subjective assessment of sound quality of electro-acoustic products

Standard published on 30.12.1988

Specifications for the editing and production of programme source for subjective assessment of sound quality of electro-acoustic products and systems
Execute Date: october 2026

Standard published on 31.3.2026

General specification for electrical resolver

Standard published on 14.12.2020

Methods of viscosity measurement

Standard published on 20.6.2008