491. BS EN IEC 61869-1. Instrument transformers. Part 1. General requirements (7th May 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (143 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
492. BS EN IEC 62208. Empty enclosures for low-voltage switchgear and controlgear assemblies. General requirements. (7th May 2021) 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) ↗
493. Fire-fighting hoses. Rubber and plastics suction hoses and hose assemblies. (20th May 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (26 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
494. Smoke and heat control systems. Specifications for powered smoke and heat exhaust ventilators Part 3, (20th May 2021) 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) ↗
495. Low-voltage switchgear and controlgear assemblies. General rules Part 1, (24th May 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (170 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
496. General purpose fuse links for domestic and similar purposes (primarily for use in plugs). Specification. (26th May 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (30 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
497. 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) ↗
498. BS EN 60269-1 AMD3. Low-voltage fuses. Part 1. General requirements (14th May 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (86 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
499. BS EN IEC 63118. 12V Lithium-ion Secondary Battery for Automotive SLI Applications and Auxiliary purposes. Part 1. General requirements and methods of test (21st May 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (14 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
500. Copper and copper alloys. Plumbing fittings. Compression fittings for use with copper tubes Part 2, (1st June 2021) 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) ↗