I believe everyone should be clear about the cable! It's a wire that carries electricity. Cable material is key, and you can see at ordinary times the cable is usually at the time of power generation, the need to use electricity, but the material of the cable are good, and now the cable already reach home, so the home is using the cable, cable is generally divided into waterproof cable and cable, So you must want to understand the difference between the two kinds of cable, next xiaobian will give you a detailed introduction!
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1, Check the appearance Panel should be uniform color, smooth surface, no sag, color, no bubbles, stains, cracks, swelling, lack of glue, deformation, scratch, shrinkage and other defects. Metal parts without burr, crack, corrosion marks, rust and screw head damage and other adverse situations.
The structure of the power cable is not very complex, but do not simply see through it from the surface. If you study the power cable well, some places still need to understand the structure of the power cable professionally. The structure of power cable mainly consists of outer sheath, inner sheath and conductor. The common transmission conductor is copper and aluminum wire.
