Explosive atmospheres - Requirements for process sealing between flammable process fluids and electrical systems1 Scope This document provides specific requirements for process sealing between a flammable process fluid and an electrical system where a failure could allow the migration of the process fluid directly into the premises wiring system. NOTE Some definitions differentiate the terms flammable and combustible liquids on the basis of their flashpoints. Combustible liquids under conditions of elevated pressure and or temperature can lead to the formation

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BS EN 61300-3-49 describe the procedure required to measure the guide pin retention force for rectangular ferrule multi-fibre connectors in order to ensure that the pins remain in place during mating/unmating

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This European Standard includes the following cross-references:

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BS EN 16855-2 discusses the thermal insulation performance of customized cold rooms

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