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House wire conductor and section selection

Information Source:Henan Huadong Cable Co., Ltd Release date:2014-02-22

House wire conductor material and section of wire "copper" and "aluminum", first use of copper wire should be House, but also should try to use a large cross section of copper wire. If the wire section is too small, the consequences are wire heated, accelerating aging outer insulation, easy to cause a short circuit and ground fault. In accordance with the relevant provisions of the state, the meter before wire cross-sectional area should be the 10 choice, mm2, general lighting and socket wire section within the House use of 2.5 mm2, and the copper wire section of air-conditioning, power for household electrical appliances should be at least 4 mm2.

House wires are chosen single insulated conductor.

House power wire the general standard is:
1,2.5 mm copper  the main wire;
2,In 4 square mm to air-conditioning wires, and each air-conditioning alone walk the wire;
3, telephone wires, TV wire signal wire can't wire wire.
4, electricity use protective glue box, buried in a wall to use hose (including PVC tube), the interface must be used straight / elbow. If cannot use the hose in place, use metal hose to protect.
5, the purchase of electricity, switch to buy goods, the other is the only standard of compliance with national standards. At the time of purchase should allow dealers to indicate this point.

Household power wire should be BVV2 * 2.5 and BVV2 * 1.5 types of wire. BVV is a national standard code, copper sheathing wire, 2 × 2.5 and 2 × 1.5 respectively represent the 2 core 2.5 square mm and 2 core 1.5 square mm. Under normal circumstances, 2 × 2.5 main wire, trunk, 2 × 1.5 do single electrical branch, switch wire. Single-phase air conditioning wire with BVV2 * 4, the other with a special wire.

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