Resistibility requirements to overvoltages and overcurrents due to lightning for equipment having telecommunication ports Ingestion-build-190310 BS EN 3747 on O-rings

BS EN 3747 on O-rings in fluorosilicone rubber for aerospace series is relevant to:

Part 1 includes a list of British Standards relating to processes covered by BS 4479 but not necessarily referred to in each Part

Process management

air transfer devices (externally mounted

Resistibility requirements to overvoltages and overcurrents due to lightning for equipment having telecommunication ports Ingestion-build-190310 BS EN 3747 on O-ringsWhat is BS EN 50468 Overvoltage resistance of equipment with telecommunication ports about? BS EN 50468 specifies the minimum level of resistibility of equipment having telecommunication port(s) to overvoltages and overcurrents. BS EN 50468 covers telecommunication equipment installed at customer premises. Overvoltages or overcurrents covered by this BS EN 50468 are surges due to direct or indirect lightning on the telecommunication line plant. Note: