标准摘要
[中文适用范围]： 描述了旨在确保正常使用和故障情况下人员安全免遭触电的保护措施。给出了有关 TN、TT 和 IT 系统接地的特殊要求。第二版取消并取代了原 [外文原描述]： Applies to all installations with voltages up to and including 1 000 V as well as with those above 1 000 V. Describes protective measures intended to ensure the safety of persons from electric shock in normal service and in case of fault. Also, particular requirements applicable to TN, TT and IT system earthing. Extends the principles to the protection against overcurrent in respect of overload and short-circuit protection, together with the co-ordination of overload and short-circuit protection and the coordination of this protection with the conductors and apparatus. Also, the principles developed in IEC 60364 for the protection of conductors are extended to the protection of apparatus in respect of security of the installation and protection of personnel.
英文名称Electrical installations for outdoor sites under heavy conditions (including open-cast mines and quarries). Part 2: General protection requirements