According to DL / T448-2000《Technical administrative code of electric energy metering》,JJG596-2012《Electrical energy meters with electronics》 and other national regulations , power companies need to replace a large number of regular meter per year. Through the development of a stable and reliable power meter fast connection terminal block , change the traditional power meter wiring, single- phase energy meter rapid field installation wiring, and replace the meter does not require power , resolve due to meter wiring errors , metering fault is not firmly crimp the wires and other causes , greatly improving the quality meter site installation and efficiency , energy metering devices to ensure accurate, safe and reliable operation.