41. BS EN 60383-1 Ed.5.0. Insulators for overhead lines with a nominal voltage above 1000 V. Part 1. Ceramic or glass insulator units for a.c. systems. Definitions, test methods and acceptance criteria (22nd December 2020) 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) ↗
42. BS EN 60383-1. Insulators for overhead lines with a nominal voltage above 1000 V. Part 1. Ceramic or glass insulator units for a.c. systems. Definitions, test methods and acceptance criteria (6th December 2019) 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) ↗
43. BS EN 60939-3. Passive filter units for electromagnetic interference suppression. Part 3. Passive filter units for which safety tests are appropriate (11th May 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (81 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
44. BS EN 60947-9-2. Low-voltage switchgear and controlgear. Active arc-fault mitigation systems. Part 9-2. Optical-based internal arc-detection and mitigation devices (12th March 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (50 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
45. BS EN 61557-7 AMD1. Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC. Equipment for testing, measuring or monitoring of protective measures. Part 7. Phase sequence (26th March 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (6 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
46. BS EN 62604-2. Surface acoustic wave (SAW) and bulk acoustic wave (BAW) duplexers of assessed quality. Part 2. Guidelines for the use (25th September 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (28 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
47. BS EN 63041-1 Ed.2.0. Piezoelectric sensors. Part 1. Generic specifications (12th May 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (28 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
48. BS EN 932-3. Tests for general properties of aggregates. Part 3. Procedure and terminology for simplified petrographic description (3rd September 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (17 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
49. BS EN IEC 60068-2-11. Basic environmental testing procedures. Part 2-11. Tests. Test Ka. Salt mist (13th March 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (19 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
50. BS EN IEC 60684-2. Flexible insulating sleeving. Part 2. Methods of test (29th May 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (92 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗