This standard BS EN 4703:2022 Aerospace series. Test specification for verification of the permeability of electrical insulation is classified in these ICS categories:
49.060 Aerospace electric equipment and systems
This document specifies a test that determines the ability of electrical equipment to withstand wet atmospheres in combination with variable ambient air pressure in particular in an aircraft installation. The main adverse effects to be anticipated are fluid ingress and related insulation breakdown.
