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IEC

PDF Standards IEC 61557-12 Ed. 2.1 b:2021

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) CONSOLIDATED EDITION
standard by International Electrotechnical Commission, 05/21/2021

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IEC

PDF Standards IEC 60332-3-24 Ed. 1.1 b:2009

Tests on electric and optical fibre cables under fire conditions – Part 3-24: Test for vertical flame spread of vertically-mounted bunched wires or cables – Category C CONSOLIDATED EDITION
standard by International Electrotechnical Commission, 02/25/2009

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