NF C44-052-31*NF EN 62052-31:2017 Electricity metering equipment (AC) - General requirements, tests and test conditions - Part 31 : product safety requirements and tests
2017NF C44-052-31*NF EN 62052-31:2017 Electricity metering equipment (AC) - General requirements, tests and test conditions - Part 31 : product safety requirements and tests