441. Electric and optical fibre cables. Test methods for non-metallic materials. General tests. Measurement of thickness of non-metallic sheath Part 202, (29th June 2018) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (18 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
442. Low-voltage surge protective devices. Surge protective devices connected to the d.c. side of photovoltaic installations. Selection and application principles Part 32, (17th July 2019) 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) ↗
443. BS EN 62276. Single crystal wafers for surface acoustic wave (SAW) device applications. Specifications and measuring methods. (30th January 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (44 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
444. Residual current operated circuit-breakers for household and similar use. Outline of blocks and modules for residual current device standards Part 1, (1st February 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (20 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
445. BS EN 61000-3-3. Electromagnetic compatibility (EMC). Part 3. Limits. Section 3. Limitation of voltage fluctuations and flicker in low-voltage supply systems for equipment with rated current 16 A (14th February 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (12 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
446. 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) ↗
447. Double-capped fluorescent lamps. Performance specifications. (23rd July 2018) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (207 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
448. High-pressure mercury vapour lamps. Performance specifications. (28th February 2019) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (38 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
449. Electricity metering equipment (A.C.). Severity levels, immunity requirements and test methods for conducted disturbances in the frequency range 2 kHz-150 kHz. (31st July 2012) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (16 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
450. Test requirements for accessories for use on power cables of rated voltage from 3, 6/6(7, 2) kV up to 20, 8/36(42) kV. Accessories for cables with extruded insulation (15th April 2019) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (48 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗