31. Electrical equipment used for detection and concentration measurement of refrigerant gases. Performance requirements and test methods. (8th January 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (24 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
32. Explosive atmospheres. Classification of areas. Explosive gas atmospheres Part 10-1, (12th April 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (118 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
33. Explosive atmospheres. Explosion prevention and protection. Basic concepts and methodology Part 1, (15th January 1998) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (36 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
34. Explosive atmospheres. Explosion prevention and protection. Basic concepts and methodology Part 1, (27th 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) ↗
35. Explosive atmospheres. Non-electrical equipment for explosive atmospheres. Basic method and requirements Part 36, (24th January 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (94 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
36. Explosive atmospheres. Non-electrical equipment for explosive atmospheres. Non-electrical type of protection constructional safety ''c'', control of ignition sources ''b'', liquid immersion ''k'' Part 37, (30th June 2016) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (62 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
37. Explosive atmospheres. Protection of equipment and transmission systems using optical radiation Part 28, (31st October 2015) 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) ↗
38. Fire hazard testing. Glowing/hot-wire based test methods. Glow-wire ignition temperature (GWIT) test method for materials Part 2-13, (13th October 2021) 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) ↗
39. Fire hazard testing. Guidance on the different levels of power and energy related to the probability of ignition and fire in low voltage electrotechnical products Part 1-14, (4th January 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) ↗
40. Fire hazard testing. Test flames. Determination of the characteristic heat flux for ignition from a non-contacting flame source Part 11-11, (29th July 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (36 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗