The following requirements are added: The special requirements of this part apply to temporary installations for construction and demolition sites during the period of the construction or demolition work@ including for example the following: ?C construction work of new buildings; ?C repair@ alteration@ extension@ demolition of existing buildings or parts of existing buildings; ?C engineering works; ?C earthworks; ?C work of similar nature. The requirements apply to fixed or moveable installations. The rules do not apply to ?C installations covered by the IEC 60621 series 1)@ where equipment of a similar nature to that used in surface mining applications is involved; ?C installations in administrative locations of construction sites (offices@ cloakrooms@ meeting rooms@ canteens@ restaurants@ dormitories@ toilets@ etc.) where the general rules of Parts 1 to 6 of IEC 60364 apply. NOTE For special situations@ more severe requirements apply@ e.g. part 706 2) for conductive locations with restricted movement. 1) IEC 60621 (all parts)@ Electrical installations for outdoor sites under heavy conditions (including open-cast mines and quarries) 2) IEC 60364-7-706:-@ Low-voltage electrical installations - Part 7-706: Requirements for special installations or locations - Conducting locations with restricted movement (to be published)
60364-7-704-2005由IEC - International Electrotechnical Commission 发布于 2005-10-01,并于 2017-03-31 实施。
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