求翻译：现场临时供电按《工业与民用供电系统设计规范》和《施工现场临时用电安全技术规范》设计并组织施工，施工现场临时用电必须采用TN-S（三相五线制）接零保护系统。工作零线与保护零线不得混用，工作零线在现场总配电箱处应重复接地，接地电阻应小于4欧姆；保护零线应与重复接地线相连接，在线路末端保护零线还应作重复接地，接地电阻不大于10欧姆。保护零线不得装设开关或熔断器。是什么意思？

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On-site by the temporary power industrial and consumer power system design specifications and the construction site of the temporary electrical safety technical specification design and organize work in the construction site of the temporary use of electricity must be in the TN-S (3-Phase 5 Wire Sys

The scene temporary power supply and "Job location Uses electricity according to "Industry And Civil Power supply system Design Standard" Safety work Standard to design and organizes the construction, the job location to use electricity temporarily Temporarily" must use TN-S (three-phase 5 wire syst

Site temporary power in accordance with the code for design of industrial and civil power and the temporary electricity in construction site safety technical code for design and construction, temporary electricity in construction site must be in the TN-S (three-phase five wire system) the zero conne

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