BS EN 50411-3-3:2019 Fibre management systems and protective housings to be used in optical fibre communication systems. Product specifications Singlemode optical fibre fusion splice protectors

Mechanical properties of materials
Fibre optics
Specification (approval)
Closures
Environmental testing
Fibre optic cables
Optical fibres
Fibre optic connectors
Performance
Communication cables
Dimensions
Optical properties of materials
Optical communication systems
Splicing

Link: BS EN 50411-3-3:2019 Fibre management systems and protective housings to be used in optical fibre communication systems. Product specifications Singlemode optical fibre fusion splice protectors
Source: BSI Standards