OS GSO IEC 61557-4:2011
IEC 61557-4:2007
Omani Standard
Current Edition
·
Approved on
12 October 2011
Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 4: Resistance of earth connection and equipotential bonding
OS GSO IEC 61557-4:2011 Files
Arabic
5 Pages
Current Edition
English
15 Pages
Current Edition
Reference Language
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OS GSO IEC 61557-4:2011 Scope
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