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Cable knowledge quiz papers

Information Source:Henan Huadong Cable Co., Ltd  Release date:2014-03-08

1, common wire, cable to use what kind? Answer: according to use can be divided into bare wire, insulated wire, heat-resistant wire, shielding wire, power cable, control cable, communication cable, RF cable etc..

2, insulated wires are there? Answer: insulated wires often are the following: PVC insulated wires, PVC insulated flexible wire, PVC nitrile mixture of insulated cords, rubber insulated wire, buried underground agricultural plastic insulated aluminum wire, rubber insulation cotton textile cord, PVC insulated nylon sheathed wires, PVC insulated power and lighting cord etc..

3, cable tray is suitable for what occasion? Answer: cable tray applies to general industrial and mining enterprises inside and outside of overhead power cable, control cable, can be used for telecommunications, radio and television sector in the indoor and outdoor set up.

4,What are the cable accessories? Answer: electrical accessories used terminal terminal box, cable box, a connection pipe and a connecting terminal, steel cable trough, cable bridge cable.

5, what is called the cable joints? Answer: conductor, cable and cable insulation shielding layer and a protective layer, so that the cable line connected device, called the cable joints.

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