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Question:

Telephone line is connected with the network cable, one is blue and white card in the patch panel, the other end is to have four metal tablets of the crystal head, how should then take?

The contents of the VAT invoice for the other party: Ming bit alignment system materials, a group. And my unit is the entry slot, switches, etc., how should the invoice should be opened "

Answer:

. the wire is the conduction current of the wire. . the cable is used to transmit (magnetic) energy, information and the realization of electromagnetic energy conversion wire products. . the wire is made of one or several soft wires, the outer package to soft and soft layer; cable is composed of one or several insulated package wire, outside the package to the metal or rubber made of tough outer layer. Cables and wires are generally made up of three parts: the core wire, the insulating sheath, and the protective sheath.
Insulation for PVC V Sheath also for PVC V22 may be a cross-sectional area of 22 square millimeters
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