-Mesh 0, 4KV: for residential areas are organized by shape, use of underground cables in the cable trench go PVG wrap power supply from regional substations to each low voltage electric cabinets placed along roads. Each electrical low-voltage power supply for 8 to 10 households. Particularly for the public use of underground cables in the cable trench go PVC lẩy electricity directly from the electrical substation low voltage area.
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