Basic knowledge of cables

Different definitions Definition 1: A wire made of one or more insulated conductors and an outer insulating protective layer that transmits electricity or information from one place to another. Definition 2: It is usually a rope-like cable twisted by several or several groups of conductors (at least... read more

The main classification of wires and cables

Bare wire body products The main characteristics of this type of product are: pure conductor metal, no insulation and sheath, such as steel core aluminum stranded wire, copper and aluminum bus bar, electric locomotive wire, etc .; the processing technology is mainly pressure processing, such as melt... read more

Note when buying switches and sockets

1. Look at the appearance: the style of the switch, the color should be consistent with the overall style of the room. For example, the overall color of interior decoration is light, you should not use black, brown and other dark switch.   2. Look at the touch: the quality of the switch are mad... read more

How to buy high-quality circuit materials

Circuit renovation in the renovation process, can be described as the important part, a little careless will cause inconvenience to life in the future, the electric conversion of materials used is small, but it can not be taken lightly, the purchase of a good note Good off, including wires, threadin... read more

Coaxial Cable Type _ Knowledge of Decoration Materials

Coaxial cable mainly refers to the cable with two concentric conductors, and the conductor and the shield share the same axis of the cable. The common coaxial cable consists of a copper conductor insulated from the insulating material, and on the outside of the inner layer is another layer of ring c... read more