31. Electrical relays. Specification for contact performance of electrical relays Part 1, (31st October 1980) 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) ↗
32. Electricity metering equipment. General requirements, tests and test conditions. Metering equipment Part 11, (24th March 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (132 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
33. Electricity metering equipment. General requirements, tests and test conditions. Metering equipment Part 11, (9th April 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (128 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
34. Electricity meters. Alternating-current single-phase static watt-hour telemeters of accuracy class 1 or 2. (15th May 2000) 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) ↗
35. Erection and operation of electrical test equipment. (15th May 2001) 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) ↗
36. Expert Commentary for BS EN IEC 61439-1:2021. Low-voltage switchgear and controlgear assemblies. General rules Part 1, (28th May 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) ↗
37. Fixed inductors for electromagnetic interference suppression. Sectional specification on power line chokes Part 2, (14th September 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (42 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
38. Harmonized system of quality assessment for electronic components: sectional specification: radio frequency coaxial connectors, series BNC. (30th September 1981) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (4 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
39. Harmonized system of quality assessment for electronic components: sectional specification: radio frequency coaxial connectors, series SMA. (31st January 1983) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (32 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
40. High-pressure sodium vapour lamps. Performance specifications. (1st March 2019) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (198 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗