Electrical installations of buidlings - Part 7: Requirements for special installations or locations - Section 704:Construction and demolition site installations— 11 стр.
Low-voltage electrical installations - Part 7-704: Requirements for special installations or locations - Construction and demolition site installations— 17 стр.
Low-voltage electrical installations - Part 7-704: Requirements for special installations or locations - Construction and demolition site installations— 17 стр.