Low-voltage electrical installations - Part 7-704: Requirements for special installations or locations - Construction and demolition site installations— 17 стр.
Safety of power transformers, power supply units and similar devices - Part 2-23: Particular requirements for transformers for construction sites— 37 стр.
Plugs, socket-outlets and couplers for industrial purposes - Part 2: Dimensional interchangeability requirements for pin and contact-tube accessories— 95 стр.
Safety of transformers, reactors, power supply units and combinations thereof, Particular requirements and tests for transformers and power supply units for construction sites— 26 стр.