BS 7856:2017
Current
The latest, up-to-date edition.
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)
Hardcopy , PDF
English
24-07-2017
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Mechanical features
5 Electrical features
6 Other features
Annex A (normative) - Test method of a terminal's ability
to safely clamp standard UK cables
Annex B (normative) - External rate switching logic for
multi-rate meters
Annex C (normative) - Long-term overcurrent test
requirements
Annex D (normative) - Performance criteria for load
switches inside meters
Annex E (normative) - Sealing criteria
Annex F (informative) - Operational considerations related
to switches inside meters
Bibliography
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