251. 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) ↗
252. 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) ↗
253. 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) ↗
254. Tracked Changes. Fixed capacitors for use in electronic equipment. Sectional specification. Fixed metallized polyphenylene sulfide film dielectric surface mount DC capacitors Part 20, (13th April 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (114 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
255. Tracked Changes. Fixed capacitors for use in electronic equipment. Sectional specification: Fixed metallized polyethylene terephthalate film dielectric surface mount DC capacitors Part 19, (6th October 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (114 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
256. Tracked Changes. High-voltage direct current (HVDC) power transmission using voltage sourced converters (VSC). (29th September 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (162 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
257. Tracked Changes. Laboratory resistors. Laboratory DC resistors Part 1, (25th July 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (80 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
258. Tracked Changes. Railway applications. Fixed installations. Electrical safety, earthing and the return circuit. Mutual Interaction of AC and DC traction systems Part 3, (18th October 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (78 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
259. Tracked Changes. Railway applications. Fixed installations. Electrical safety, earthing and the return circuit. Protective provisions against electric shock Part 1, (29th September 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (272 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
260. Tracked Changes. Railway applications. Fixed installations. Electrical safety, earthing and the return circuit. Provisions against the effects of stray currents caused by DC traction systems Part 2, (23rd January 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (88 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗