CEI EN 61557-1:1998
Superseded
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Electrical safety in low-voltage distribution systems up to 1 kV AC and 1.5 kV DC - Equipment for testing, measuring or monitoring of protective measuresPart 1: General requirements
Published date
01-06-1998
Publisher
Superseded date
17-09-2025
Superseded by
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The CEI 64-8 standard establishes the standardized conditions for initial checks on electrical installations in TN, TT, or IT systems, for continuous monitoring and for subsequent checks to be carried out on such installations after any modifications.
| Committee |
CT 85/66
|
| DocumentType |
Standard
|
| PublisherName |
Comitato Elettrotecnico Italiano
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| EN 61557-1:1997 | Identical |
| IEC 61557-1:1997 | Identical |
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