421. Specification for gas heated catering equipment. Safety requirements Part 1, (15th December 1999) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (76 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
422. Conduit systems for cable management. General requirements Part 1, (22nd August 2019) 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) ↗
423. Secure storage units. Classification and methods of test for resistance to fire. Data cabinets and data inserts Part 1, (28th August 2019) 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) ↗
424. Safety of machinery. Indication, marking and actuation. Requirements for the location and operation of actuators Part 3, (15th June 1999) 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) ↗
425. Performance of windows and doors. Classification for weathertightness and guidance on selection and specification Part 1, (23rd April 2004) 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) ↗
426. Roof coverings. Continuous rooflights of plastics with or without upstands. Classification, requirements and test methods. (30th November 2006) 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) ↗
427. Pumps. Rotodynamic pumps. Circulation pumps having an electrical effect not exceeding 200 W for heating installations and domestic hot water installations. Requirements, testing, marking. (15th December 1999) 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) ↗
428. Microfilming of technical drawings and other drawing office documents. Test procedures for diazo duplicating of microfilm images in aperture cards Part 5, (15th November 1999) 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) ↗
429. Specification for safety and rational use of energy of domestic gas appliances. Radiant/convectors Part 1, (18th December 2002) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (84 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
430. Code of practice for assessment of hazard to life and health from fire. Guidance on methods for the quantification of hazards to life and health and estimation of time to incapacitation and death in fires Part 2, (15th November 1999) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (34 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗