Precautions for installation of incoming and outgoing lines of transparent meter box (ready board)

Precautions for installation of incoming and outgoing lines of transparent meter box (ready board):

1. The insulated copper wire of each meter wiring shall not be less than 4mm2, and the RS485 loop wire shall not be less than 0.5mm2;

2. The neutral line of each electric energy meter in the multi meter metering box shall be installed separately and shall not be shared;

3. Insulated and flame-retardant wires shall be used in the metering box, and the color code shall be yellow, green and red for the phase line; The zero line is black; PE line is yellow green double color line;

4. The creepage distance of the incoming unit is greater than 12mm, the electrical interval is greater than 10mm, and the creepage distance of the outgoing unit is greater than 8mm;

5. The incoming switch room shall be equipped with auxiliary terminals used by the collector;

6. Trunking wiring is also used in the metering box, with independent incoming and outgoing lines, reasonable wiring design and qualified technology;

7. Each meter position shall be numbered, and the "property right boundary point" sign shall be set on the incoming line of the outgoing end of the meter;