标准摘要
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. Is considered a basic safety publication. Note: - For voltage bands for electrical installations of buildings, see IEC 449. Has the status of a basic safety publication in accordance with IEC Guide 104.
英文名称Electrical installations of buildings - Part 4: Protection for safety - Chapter 41: Protection against electric shock