Fuel cell technologies – Part 3-201: Stationary fuel cell power systems – Performance test methods for small fuel cell power systems
standard by International Electrotechnical Commission, 07/11/2013

High-voltage switchgear and controlgear – Part 203: Gas-insulated metal-enclosed switchgear for rated voltages above 52 kV
standard by International Electrotechnical Commission, 09/07/2011

Fibre optic connector interfaces – Part 23: Type LX.5 connector family
standard by International Electrotechnical Commission, 06/22/2005

Lamp controlgear – Part 2-13: Particular requirements for d.c. or a.c. supplied electronic controlgear for LED modules
standard by International Electrotechnical Commission, 09/03/2014

Optical amplifiers – Part 6-1: Interfaces – Command set
standard by International Electrotechnical Commission, 08/13/2008

Evaluation and routine testing in medical imaging departments ¿¿ Part 2¿¿6: Constancy tests ¿¿ Imaging performance of computed tomography X-ray equipment
standard by International Electrotechnical Commission, 11/28/2006

High frequency inductive components – Non-electrical characteristics and measuring methods – Part 2: Test methods for non-electrical characteristics
standard by International Electrotechnical Commission, 09/20/2019

Electrical installations for lighting and beaconing of aerodromes – Constant current regulators
standard by International Electrotechnical Commission, 05/26/2009

Digital Test Interchange Format (DTIF)
standard by International Electrotechnical Commission, 06/21/2012

Optical amplifiers – Test methods – Part 10-1: Multichannel parameters – Pulse method using an optical switch and optical spectrum analyzer
standard by International Electrotechnical Commission, 03/10/2009