661. Elements of electrical and optical connection. Test methods. Shielding effectiveness from 100 MHz to 1 GHz Part 213, (15th January 1998) 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) ↗
662. Elements of electrical and optical connection. Test methods. Temperature rise due to rated current Part 208, (15th June 1996) 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) ↗
663. Elements of electrical and optical connection. Test methods. Temperature rise due to rated current Part B8, (15th February 1994) 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) ↗
664. Elements of electrical and optical connection. Test methods. Voltage proof test Part 207, (15th June 1996) 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) ↗
665. Elements of electrical and optical connection. Test methods. Voltage proof test Part B7, (15th February 1994) 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) ↗
666. Emergency lighting. Specification for small power relays (electromagnetic) for emergency lighting applications up to and including 32 A Part 3, (30th January 1981) 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) ↗
667. Empty enclosures for low-voltage switchgear and controlgear assemblies. General requirements. (15th June 1999) 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) ↗
668. Energy efficiency of electric lamps for household use. Measurement methods. (15th August 1999) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (8 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
669. Energy performance of lamp controlgear. Controlgear for fluorescent lamps. Method of measurement to determine the total input power of controlgear circuits and the efficiency of controlgear Part 1, (20th May 2022) 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) ↗
670. Environmental testing. Test methods. Test U. Robustness of terminations and integral mounting devices Part 2-21, (15th June 1997) 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) ↗