121. Mining type flameproof supply and control units for use on systems up to 1100 V. Specification for circuit breaker units Part 2, (15th December 1993) 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) ↗
122. Safety in electroheat installations. General requirements Part 1, (15th November 1993) 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) ↗
123. Specification for circuit-breakers for equipment (CBE). (15th July 1994) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (88 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
124. Specification for residual current operated circuit-breakers with integral overcurrent protection for household and similar uses (RCCBs). Applicability of the general rules to RCCBs functionally dependent on line voltage Part 2-2, (15th March 1995) 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) ↗
125. Residual current operated circuit-breakers with integral overcurrent protection for household and similar uses (RCBOs). Applicablity of the general rules to RCBOs. Applicability of the general rules to RCBOs functionally dependent on line voltage Part 2-2, (15th March 1995) 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) ↗
126. Railway applications. Fixed installations. D.C. switchgear. General Part 1, (15th March 1996) 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) ↗
127. Graphical symbols for diagrams. Switchgear, controlgear and protective devices Part 7, (15th December 1996) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (64 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
128. Aerospace series. Cap, protective, non-metallic, for EN 6123 fitting ends. (22nd September 2020) 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) ↗
129. Aerospace series. Plug, protective, non-metallic, for EN 6123 fitting ends. (22nd September 2020) 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) ↗
130. High-voltage switchgear and controlgear. High-voltage alternating current disconnecting circuit-breakers for rated voltages above 52 kV Part 108, (30th 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) ↗