SN EN 61557-4 : 1997
Current
The latest, up-to-date edition.
ELECTRICAL SAFETY IN LOW VOLTAGE DISTRIBUTION SYSTEMS UP TO 1 KV A.C. AND 1,5 KV D.C. - EQUIPMENT FOR TESTING, MEASURING OR MONITORING OF PROTECTIVE MEASURES - PART 4: RESISTANCE OF EARTH CONNECTION AND EQUIPOTENTIAL BONDING
12-01-2013
1 Scope
2 Normative references
3 Definitions
4 Requirements
5 Marking and operating instructions
6 Tests
Table 1 - Calculation of operating error
Annex ZA (normative) Normative references to international
publications with their corresponding European publications
Defines the requirements applying to equipment for measurement of the resistance with an indication of the measured value, or of limits for the purpose of measurement of the resistance of earth conductors, protective earth conductors and conductors for equipotential bonding. Includes their connections and terminals.
| DocumentType |
Standard
|
| PublisherName |
Swiss Standards
|
| Status |
Current
|
| Standards | Relationship |
| EN 61557-4:2007 | Identical |
| BS EN 61557-4:2007 | Identical |
| NBN EN 61557-4 : 2007 | Identical |
| I.S. EN 61557-4:2007 | Identical |
| DIN EN 61557-4 : 2007 | Identical |
| NF EN 61557-4 : 2007 | Identical |
| IEC 61557-4:2007 | Identical |
| UNE-EN 61557-4:2007 | Identical |
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