IEC 61557-4*CEI 61557-4

Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 4: Resistance of earth connection and equipotential bonding

2007-01-00

Có hiệu lực

DIN EN 61557-4 (2007-12), IDT * BS EN 61557-4 (2007-06-29), IDT * GB/T 18216.4 (2012), IDT * EN 61557-4 (2007-03), IDT * NF C42-198-4 (2007-06-01), IDT * OEVE/OENORM EN 61557-4 (2008-02-01), IDT * PN-EN 61557-4 (2007-05-10), IDT * SS-EN 61557-4 (2007-06-25), IDT * UNE-EN 61557-4 (2007-12-19), IDT * GOST IEC 61557-4 (2013), IDT * GOST R 54127-4 (2011), IDT * TS EN 61557-4 (2009-04-28), IDT * STN EN 61557-4 (2007-12-01), IDT * CSN EN 61557-4 ed. 2 (2007-12-01), IDT * NEN-EN-IEC 61557-4:2007 en;fr (2007-04-01), IDT

IEC 61557-1*CEI 61557-1 (2007-01)

IEC 61557-4*CEI 61557-4 (1997-02) * IEC 85/293/FDIS (2006-11)

IEC 61557-4*CEI 61557-4 (2007-01) * IEC 61557-4*CEI 61557-4 (1997-02) * IEC 85/293/FDIS (2006-11) * IEC 85/272/CDV (2005-07) * IEC 85/92/FDIS (1996-09) * IEC 85/43/CDV (1994-12)

Control instruments * Deviations * Direct current installations * Drift * Earth conductors * Earth connectors * Earthing * Electrical engineering * Electrical resistance * Electrical safety * Electromagnetic tests * Equipotential bonding conductors * Grids * Inscription * Installations for rated voltages * Instruments * Low voltage mains * Low-voltage installations * Measurement * Measuring equipment * Measuring instruments * Measuring uncertainty * Operating instructions * Potential equalization * Protection * Protective measures * Resistance measurement * Resistors * Specification (approval) * Surveillance (approval) * Test equipment * Testing * Nets * Network * Resistance * Variations

17.220.20. Ðo các đại lượng điện và từ
29.240.01. Nguồn truyền và mạng phân phối nói chung

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