251. BS EN IEC 60794-1-306. Optical fibre cables. Part 1-306. Generic specification. Basic optical cable test procedures. Cable element test methods. Ribbon torsion - Method G6 (16th December 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (10 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
252. BS EN IEC 60794-1-309. Optical fibre cables. Part 1-309. Generic specification. Basic optical cable test procedures. Cable element test methods. Bleeding and evaporation of filling or flooding compounds, Method G9 (11th June 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (10 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
253. BS EN IEC 60794-1-401. Optical fibre cables. Basic optical cable test procedures. Part 401. Electrical test methods. Short-circuit test (for OPGW, OPPC and OPAC), Method H1 (19th February 2020) 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) ↗
254. BS EN IEC 60794-2-2 ED2. Optical fibre cables. Part 2-22. Indoor cables. Detail specification for multi-simplex breakout optical cables to be terminated with connectors (12th January 2022) 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) ↗
255. BS EN IEC 60851-1. Winding wires. Test methods. Part 1. General (12th June 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (13 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
256. BS EN IEC 60947-4-2 AMD 1. Low-voltage switchgear and controlgear. Part 4-2. Contactors and motor-starters. Semiconductor motor controllers, starters and soft-starters (6th June 2023) 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) ↗
257. BS EN IEC 60947-5-1. Low-voltage switchgear and controlgear. Part 5-1. Control circuit devices and switching elements. Electromechanical control circuit devices (10th December 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (127 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
258. BS EN IEC 60947-5-1. Low-voltage switchgear and controlgear. Part 5-1. Control circuit devices and switching elements. Electromechanical control circuit devices (4th June 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (127 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
259. BS EN IEC 60947-5-1. Low-voltage switchgear and controlgear. Part 5-1. Control circuit devices and switching elements. Electromechanical control circuit devices (4th November 2019) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (127 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
260. BS EN IEC 60966-3. Radio frequency and coaxial cable assemblies. Part 3. Sectional specification for semi-flexible coaxial cable assemblies (29th October 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (22 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗