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Revision of IEC 563: Permissible limiting temperatures in service for components of electrical equipment of traction vehicels

Revision of the IEC/TR 60943: Guidance concerning the permissible temperature rise for parts of electrical equipment, in particular for terminals.

MODIFICATION OF THE CLOSING DATE of Document 79/173/CD: Alarm systems - Part XX: Alarm systems for road vehicles - Section 2: Vehicles intended for the carriage of passengers, comprising more than nine seats (incl. driver's seat) and having a permissible

Comment received on 86C/522/NP (IEC 61292-4 TR Ed 1.0: Technical Reports - Part 4: Maximum permissible optical power for the safe and damage-free use of optical amplifiers, including Raman amplifiers)

Permissible limits

UV-C Devices - Safety information - Permissible human exposure

UV-C Devices - Safety information - Permissible human exposure (ISO/DIS 15858:2024)

UV-C Devices - Safety information - Permissible human exposure (ISO/DIS 15858:2024); German and English version prEN ISO 15858:2024

Plain bearings - Hydrodynamic plain journal bearings under steady-state conditions - Part 4: Permissible operational parameters for calculation of multi-lobed and tilting pad journal bearings

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