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IEC 60364-4-473:1977+AMD1:1998 CSV ed1.1

Заменен
Electrical installations of buildings - Part 4: Protection for safety - Chapter 47: Application of protective measures for safety - Section 473: Measures of protection against overcurrent — 21 стр.
Specifies where overload and short-circuit protective devices have to be placed in the run of the conductor. States particular requirements for protection of phase and neutral conductors according to TN, TT and IT systems. Note: -Requirements do not take account of external influences. For application of protective measures in relation to conditions of external influences, see IEC 60364-4-482.
ICS
91.140.50 Electricity. Including electric energy meters in buildings, emergency electrical supplies, etc. / Системы электроснабжения. Включая аварийное электроснабжение и т.д.
29.120.50 Fuses and other overcurrent protection devices / Плавкие предохранители и другие защитные устройства при перегрузках