Matters needing attention of stainless steel meter box

1. The meter box shall be provided with rain proof measures.

2. 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.

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

4. Insulated and flame retardant conductor shall be used in the metering box, and the color code shall be yellow green red for phase line, black for zero line and yellow green for PE line.

5. The creepage distance of incoming line unit is greater than 12mm, the electrical distance is greater than 10mm, and the creepage distance of outgoing line unit is greater than 8mm.

6. Auxiliary terminals for collector application shall be equipped in incoming switch room.

7. Trunking wiring is also used in the metering box. The incoming and outgoing lines are separated independently. The wiring planning is reasonable and the process is up to standard.

8.Each meter position shall be numbered, and the "property right dividing point" mark shall be set on the incoming line at the outlet end of the meter.