Dielectric and resistive properties of solid insulating materials - Part 1: General

Dielectric and resistive properties of solid insulating materials - Part 2-1: Relative permittivity and dissipation factor - Technical Frequencies (0,1 Hz - 10 MHz) - AC Methods

Waveguide type dielectric resonators -- Part 1: General information and test conditions -- Section 1: General information

High-frequency dielectric heating installations - Test methods for the determination of power output (IEC 27/1207/CDV:2025); German and English version prEN IEC 61308:2025

Piezoelectric, dielectric and electrostatic oscillators of assessed quality - Part 2: Guide to the use of quartz crystal oscillators

Measurement of the complex permittivity for low-loss dielectric substrates balanced-type circular disk resonator method (IEC 63185:2025); German version EN IEC 63185:2025

High-voltage test techniques - Part 1: General definitions and test requirements (IEC 42/403/CD:2022); Text in German and English

Wearable electronic devices and technologies - Part 203-1: Test method for measuring performance of fabric-based triboelectric generator

Electrical insulation systems - Procedures for thermal evaluation - Part 51: Specific requirements for electrical insulation systems in dry-type resin-encapsulated high-voltage windings using AC dielectric breakdown as diagnostic

Railway applications - Rolling stock - Part 2: Pantographs for metros and light rail vehicles, characteristics and tests; German and English version prEN 50206-2:2025