21. BS EN IEC 60794-3-11. Optical fibre cables. Part 3-11. Outdoor cables. Detailed specification for duct, directly buried, and lashed aerial optical fibre telecommunication cables (29th June 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (31 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
22. BS EN IEC 60794-3-12. Optical fibre cables. Part 3-12. Outdoor cables. Detailed specification for duct and directly buried optical telecommunication cables for use in premises cabling (10th January 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (12 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
23. BS EN IEC 60794-3. Optical fibre cables. Part 3. Outdoor cables. Sectional specification (14th August 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (18 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
24. BS EN IEC 61753-111-9. Fibre optic interconnecting devices and passive components performance standard. Part 111-9. Sealed closures for category S. Subterranean (15th May 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (31 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
25. BS EN IEC 62807-3. Hybrid telecommunication cables. Part 3. Outdoor hybrid cables. Sectional specification (13th August 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (15 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
26. BS EN IEC 62807-3. Hybrid telecommunication cables. Part 3. Outdoor hybrid cables. Sectional specification (28th February 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (16 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
27. BS EN ISO 11296-4 AMD1. Plastics piping systems for renovation of underground non-pressure drainage and sewerage networks. Part 4. Lining with cured-in-place pipes (1st February 2018) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (11 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
28. BS EN ISO 11296-9. Plastics piping systems for renovation of underground non-pressure drainage and sewerage networks. Part 9. Lining with a rigidly anchored plastics inner layer (21st May 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (39 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
29. BS EN ISO 12241. Thermal insulation for building equipment and industrial installations. Calculation rules. (1st March 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (57 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
30. BS IEC 60287-2-3. Electric cables. Calculation of the current rating. Part 2-3. Thermal resistance. Cables installed in ventilated tunnels (6th June 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (28 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗