National standard inspection of high-quality home decoration cloth and wire

1. Types and characteristics of household wires

Hardwire: also known as BV wire, mainly used for power supply, lighting, sockets and air conditioning. Its AC voltage range is 450/750V and below, mainly used in power plants, household appliances, instruments and telecommunications equipment. Hard wire has a certain hardness, easy to fold angle and straighten.

Flexible cord: also known as BVR wire, suitable for AC voltage 450/750V and below power devices, household appliances, instruments and telecommunications equipment. Flexible wire production is relatively complex, but its high-frequency circuit current carrying capacity is greater than hard wire.

Hard and flexible wires (weak wires): mainly composed of single or multiple copper cores, usually referring to low voltage wires and cables such as network cables.

Second, Qingdao Tianxing cable household wire model BV, BVR, RV: are single-core wire. BV: Single copper wire, high hardness, called hard wire. BVR: stranded copper wire, called flexible wire. RV: More strands of copper wire stranded, generally not used in home improvement. Home improvement suggestions: BV or BVR. BVVB: hard sheathed wire consisting of two or three BV wire sheaths. RVV: Soft sheathed wire, consisting of two, three or four RV wire sheaths. Open line decoration is recommended to use BVVB sheath line.

Third, how to choose household GB wire?

View Quality System Certification Number. Check whether the certificate is standard.

Ask for factory name, address, inspection seal, production date and other information. Check whether the wire is printed with trademark, specification, voltage, etc.

Observe the copper core cross section of the wire, and the copper color of the high-quality product is soft. Check that the wires are square and full meters.

In recent years, fire accidents caused by unqualified wires and cables occur frequently, which is related to people's lack of knowledge about cables. It is everyone's responsibility and obligation to produce and purchase GB cables to ensure the safety of electrification and the healthy development of the cable market. Qingdao Tianxing Cable Co., Ltd. is committed to the production of high-quality home improvement wires, complete specifications and models, hoping to provide you with help.