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Fibre management systems and protective housings to be used in optical fibre communication systems. Product specifications - Wall box for splice to patchcord connections, for category C and A. Original standard BS EN 50411-3-4-2019 in PDF full version. Additional info + preview on request

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Fibre organizers and closures to be used in optical fibre communication systems. Product specifications - Fibre management system, terminal equipment box type 1 for category C. Original standard BS EN 50411-3-8-2016 in PDF full version. Additional info + preview on request

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Test methods for analysis of lead in PVC taken from insulation and sheath of electric and optical fibre cables - Method A Total lead content determination with flame excitation atomic absorption spectrometry Method B- Qualitative analysis of lead by lead sulphide staining. Original standard BS EN 50414-2006 in PDF full version. Additional info + preview on request

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Railway applications - Energy measurement on board trains - Part 4- Communication. Original standard BS EN 50463-4-2017 + A1-2025 in PDF full version. Additional info + preview on request

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Railway applications - Energy measurement on board trains Part 5- Conformity assessment. Original standard BS EN 50463-5-2017 in PDF full version. Additional info + preview on request

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Test requirements for low voltage aerial bundled cable accessories - Tension and suspension clamps for neutral messenger system. Original standard BS EN 50483-3-2009 in PDF full version. Additional info + preview on request

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