Amendment 1 - International Electrotechnical Vocabulary (IEV) - Part 300: Electrical and electronic measurements and measuring instruments - Part 312: General terms relating to electrical measurements— 3 стр.
Amendment 1 - Classification of environmental conditions - Part 3: Classification of groups of environmental parameters and their severities - Section 3: Stationary use at weatherprotected locations— 13 стр.
Classification of environmental conditions. Classification of groups of environmental parameters and their severities, Stationary use at weatherprotected locations— 48 стр.
Code of practice for special design and other features of alternating current watthour meters for active energy (MID accuracy classes A and B) for use in the UK— 28 стр.