1、计量箱本体与电能表箱必须分离安装，电能表箱距离作业地面距离在3±0.2米； The measurement box body and the meter box must be separate and installed, the electric energy meter box is from the ground distance from the ground to the ground is 3 + + 0.2 meters; 2、计量箱须在前端加装跌落保险；同杆架设方式跌落保险的安装位置距离计量箱本体3米以上，且满足计量箱本体作业时与跌落保 2, the measuring box must be put on the front end to put down insurance. The installation location of the drop insurance is more than three meters from the measuring box, and when the measuring box is used for the operation of the measuring box 险带电端保持足够的安全距离的要求； Maintaining adequate safety distance from the charged end; 3、表箱必须满足电能表、负控装置的安装，表箱厚度至少为240mm，宽度至少为640mm，高度至少为680mm的尺寸要求； The box must meet the installation of the electric energy meter and the negative control device, the thickness of the box is at least 240mm, the width is at least 640mm, and the height is at least 680mm. 4、电能表箱内安装通用挂表架2个、试验接线盒1个； 4, the electric energy meter box is installed with two general register racks and one test terminal box. 5、计量箱本体必须接地，B相二次电压与A、C相二次电流非极性端必须并联接地； The measurement box ontology must be grounded, and the secondary voltage of B must be grounded in parallel with the secondary current of A and C. 配电室（或户外箱变）专用计量柜的安装要求 Installation requirements for special measuring cabinets for the electric room (or outdoor cases) 1、专用计量柜内只能安装用于电能计量的电流互感器、电压互感器、电能表及计量辅助设备，不得用于安装其他设备； 1, the special measurement can only be contained in the installation to be used for electric energy metering current transformer, voltage transformer, watt-hour meter and metering of auxiliary equipment, shall not be used for installation of other equipment; 2、专用计量柜设计安装时，前面通道宽度要求不少于1.5米，双列并排安装中间通道宽度不少于2.5米。 When the special measuring ark is designed and installed, the width of the front passage is not less than 1.5 meters, and the width of the intermediate channel is not less than 2.5 meters. 3、电能表、负控装置安装空间深度至少为150mm，宽度至少为750mm，高度至少为600mm的尺寸要求； 3, the electric energy meter, the negative control device has the space depth at least 150 mm, the width is at least 750mm, the height is at least 600 mm size requirement; 4、电能表、负控装置安装空间安装通用挂表架2个、试验接线盒1个、布局可参照下图； 4, the electric energy meter, the negative control device installation space to install the general register frame 2, the test terminal box 1, the layout can refer to the image below; 5、电能表、负控装置的安装高度为0.8-1.8米之间 The installation height of the power meter and negative control device is 0.8 to 1.8 meters 6、电能计量装置前必须配置有高压断路器（柜） High voltage circuit breaker (tank) must be configured before power measuring device.