When home decoration, the choice of home decoration wire is related to the safety of the family living environment, after all, in daily life, everywhere can not be separated from the wire, the quality of the wire is good or bad, which directly affects the safety of the family life, so when choosing the wire, you should do more to understand, choose the right specifications of the wire, reduce the existence of safety hazards. So what are the specifications of home wiring in general? How to choose? Tianxing cable to introduce you.


The family power cable should be BVV2 x 2.5 and BVV2 x 1.5. BVV is the national standard code, for copper sheathed wire BVV2×2.5 and BVV2×1.5, representing 2 core 2.5 square mm and 2 core 1.5 square mm respectively. Under normal circumstances, BVV2×2.5 is the main line and trunk line, and BVV2×1.5 is a single electrical branch line and switch line. One-way air conditioning special line with BVV2×4, with a special ground.

1, home wire specifications: BVV2×2.5 each volume length is 100±5 meters, informal product length 60-80 meters. Some businesses also provide zero cut wire, this short wire to meet the needs of some users to buy a small number of wires.

2, some manufacturers make the insulation skin thick, so that insiders are difficult to see the problem. You can count the number of turns of the wire and multiply by the radius of the whole coil to approximate the length.

3, and then you can ask the merchant to cut a severed head, see the copper core material. BVV2×2.5 copper core diameter 1.784 mm, you can use a micrometer to measure it.



4, generally used in the socket is a single-core wire bv2.5 square wire.

5, more than 3 air conditioners with single-core wire bv4 square wire, according to different colors for a group of 3 volumes (for neutral wire, live wire, ground wire).

6, used for lighting is a single core wire bv1.5 square wire, according to different colors of two rolls a group (for neutral line and fire line).

7. Single-core bv6 square wire is used for entry bus.

8, at the same time according to different colors of three volumes for a group (for neutral line, fire line, ground line) for lighting for the single core wire 1.5 square wire, according to different colors of two volumes for a group (for neutral line, fire line).


Qingdao Tianxing Cable Co., Ltd. is a technical enterprise specializing in the production of wire and cable in Shandong Province. After years of unremitting efforts, the company has established a good brand image in the industry, and built a new modern production base, updated some modern intelligent production equipment, and established a new enterprise management system of institutionalization, process and standardization. Enterprises adhering to the cultural purpose of "Tianxing Jian terrain Kun", to do a good job of wire and cable concept, and strive to be perfect, "good products, good service customers".