Two performance characteristics of branch wires and cables
Among the wire and cable types, one kind of wire and cable is very useful. Among them, the branch cable is commonly used. What are the key properties?
Firstly, branch cable is a kind of cable developed from cable. Its conductor performance, insulation performance and mechanical and physical properties of materials shall comply with GB12706-91 standard, which is the basic index of branch cable products.
Secondly, the performance of the branch connector is very important, which is the key performance of the branch cable. Its professional manufacturing and processing ensure the reliability of the product. The branch connector connects the conductors of the trunk cable and the branch cable into one, and has been insulated and moisture-proof.
At present, single core branch cable has been widely used because of its simple structure and convenient production and construction. Multi core branch cable is essentially the twisted body of multiple single core branch cables, rather than the structure of traditional multi-core cable. Each phase conductor of multi-core branch cable is provided with single * * * insulation and sheath, and each core is provided with * * * vertical branch connector.
The multi-core branch cable has the operation performance of general multi-core cable. Only a few large comprehensive cable factories in China have the production capacity. It is generally applicable to the trunk cable with small section. At present, it has also been popularized and applied.
However, in terms of performance, branch wire and cable is a new type of power distribution cable, which has excellent seismic resistance, air tightness, waterproof and maintenance free. Thus, wires and cables can be used in a wider range of fields.
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