251. Tracked Changes. Appliance couplers for household and similar general purposes. Sewing machine couplers Part 2-1, (28th July 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (46 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
252. Tracked Changes. Covered conductors for overhead lines and the related accessories for rated voltages above 1 kV a.c. and not exceeding 36 kV a.c. Accessories for covered conductors. Tests and acceptance criteria Part 2, (16th January 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (106 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
253. Tracked Changes. Covered conductors for overhead lines and the related accessories for rated voltages above 1 kV a.c. and not exceeding 36 kV a.c. Guide to use Part 3, (10th February 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (56 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
254. Tracked Changes. Digital addressable lighting interface. General requirements. System components Part 101, (6th June 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (158 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
255. Tracked Changes. Digital addressable lighting interface. Particular requirements for control gear. Self-contained emergency lighting (device type 1) Part 202, (27th February 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (234 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
256. Tracked Changes. Electrical accessories. Circuit-breakers for overcurrent protection for household and similar installations. Circuit-breakers for a.c. and d.c. operation Part 2, (4th January 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (60 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
257. Tracked Changes. Electrical installations in ships. Special features. AC supply systems with voltages in the range of above 1 kV up to and including 36 kV Part 503, (28th March 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (68 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
258. Tracked Changes. Electricity metering equipment. Particular requirements. Static meters for AC active energy (class indexes A, B and C) Part 3, (10th May 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (90 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
259. Tracked Changes. Electromagnetic performance of high voltage direct current (HVDC) overhead transmission lines. (18th October 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (228 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
260. Tracked Changes. High-voltage switchgear and controlgear. Alternating current circuit-breakers Part 100, (15th February 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (604 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗