BS 7856:2017 Specification for special design and other features of alternating current watthour meters for active energy for use in the UK (Accuracy Classes A and B)
2017BS 7856:2017 Specification for special design and other features of alternating current watthour meters for active energy for use in the UK (Accuracy Classes A and B)
2013BS 7856:2013 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
1996BS 7856:1996 Code of practice for design of alternating current, watthour meters for active energy (classes 1 and 2)