Residual current operated circuit-breakers without integral
overcurrent protection for household and similar uses (RCCBs) -
Part 1: General rules— 241 стр.
International Electrotechnical Vocabulary - Electrical and electronic measurements and measuring instruments - Part 311: General terms relating to measurements - Part 312: General terms relating to electrical measurements - Part 313: Types of electrical measuring instruments - Part 314: Specific terms according to the type of instrument— 257 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.