IEC 60364-3-1:1973
Electrical installations of buildings - Part 3: General requirements for installations - Chapter 1: Measures for protection for safety. Sections One to Three
Partly superseded by IEC 60364-3 and IEC 60364-4-41.
Partly superseded by IEC 60364-3 and IEC 60364-4-41.
Includes the following: purposes, supplies and structures (gives descriptions of TN, TT and IT distribution systems and system earthing); classification of external influences; compatibility; maintainablility; safety services.
Describes protective measures intended to ensure the safety of persons from electric shock both in normal service and in case of fault. Also includes particular requirements applicable to TN, TT and IT system earthing. Note: For voltage bands for electrical installations of buildings, see IEC 60449. A basic safety publication in accordance with IEC Guide 104.
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