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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
STANDARD published on 1.12.2007
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Designation standards: STN EN 61557-4
Classification mark: 356230
Catalog number: 104615
Publication date standards: 1.12.2007
SKU: NS-530724
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: Slovak technical standard
Category: Technical standards STN
Táto časť IEC 61557 stanovuje požiadavky na zariadenia určené na meranie odporu s ukazovateľom nameranej hodnoty alebo indikujúce jeho medze na účely merania odporu vodičov uzemnenia, vodičov ochranného spojenia a vodičov na vyrovnanie potenciálu vrátane ich prepojenia a svoriek.
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