BS EN 60669-2-1 AMD2. Switches for household and similar fixed electrical installations. Part 2-1. Particular requirements. Electronic switches Ingestion-build-266356 It also makes reference to

It also makes reference to three categories of circuits required to maintain their circuit integrity under defined fire conditions for varying fire survival times of 30 min

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This part of ISO 14952 provides guidance related to processes used to dry parts and components that have been subjected to solvent-based or water-based cleaning processes

Annex A (informative) Investigation regarding the demand of an International Standard for a Knoop hardness test for hardmetals

BS EN 60669-2-1 AMD2. Switches for household and similar fixed electrical installations. Part 2-1. Particular requirements. Electronic switches Ingestion-build-266356 It also makes reference to