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Details to be paid attention to when installing the incoming and outgoing lines of the plastic meter box

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The product of plastic meter box has long been integrated into people's daily life, which is known to all. Although most friends know about the electric meter box, few of them really know about it. For example, "What details should be paid attention to when installing the incoming and outgoing lines of the electric meter box?" I believe that quite a few friends do not know about it. Here, the manufacturer of the electric meter box simply explains the installation details of the electric meter box and the precautions for the incoming and outgoing lines:

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 wire 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; The PE line is yellow and green.

4. Creepage distance of incoming line unit is greater than 12mm, electrical interval is greater than 10mm, and creepage distance of outgoing line unit is greater than 8mm.

5. The incoming switch room shall be equipped with auxiliary terminals for the collector.

6. The measuring box also adopts trunking wiring. The incoming and outgoing lines are separated independently. The wiring design is reasonable and the process is qualified.

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

The precautions for the incoming and outgoing lines of the installation details of the meter box can be said to be common sense, which we need to remember. Although we don't need to operate the meter box by ourselves, it is good to know the common sense of the meter box and enrich our brains.

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