Three (3) electrical plug sockets shall be installed, one (1) near the switchboard, one (1) above the workbench, and one (1) in the winch room providing a 400 V, 3 phase, 16 amp supply.

• 应安装三个电器插头插座，一个安装在的配电板附近，一个安装在工作台上，和一个提供了400伏，3相，16安培供应安装在绞车房。