IEC 61557-12 Amd.1 Ed. 2.0 b Cor. 1:2021 Corrigendum 1 to Amendment 1 - Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC - Equipment for testing, measuring or monitoring of protective measures - Part 12: Power metering and monitoring devices (PMD)

Amendment by International Electrotechnical Commission, 09/01/2022