Unknown BRITISH STANDARD BS EN 62054 21 2004 Incorporating Corrigendum No 1 Electricity metering (a c) — Tariff and load control — Part 21 Particular requirements for time switches The European Standa[.]
BRITISH STANDARD BS EN 62054-21:2004 Incorporating Corrigendum No Electricity metering (a.c) — Tariff and load control — Part 21: Particular requirements for time switches The European Standard EN 62054-21:2004 has the status of a British Standard ICS 91.140.50 12&23