Wire & Cable section line by one or several wires in a soft, wrapped in light, soft sheath; the cable is composed of one or several insulated wires in a bag, then wrapped the outside made of metal or rubber tenacity the outer layer. Cable and wire general by wire, the insulating sheath and sheathing composed of three components. Characteristics common cable are as follows: CEF-- ethylene propylene rubber insulated chloroprene rubber sheathed, flame retardant shipboard power cable. CVV-- insulated, PVC sheathed flame retardant shipboard power cable. Oxygen chamber wire often used BV, BX, RV, RVV series of wire, including: BV-- PVC insulated copper wire, long-term allowable temperature 65 ℃, the lowest temperature -15 ℃, operating voltage AC 500V, DC 1000V, fixed installation in indoor and outdoor, can also be deposited next Concealed. BX-- copper core rubber insulated wire, the maximum temperature 65 ℃, spreads in the room. RV-- PVC insulated single cord, the maximum temperature 65 ℃, the lowest temperature -15 ℃, internal wiring voltage AC 250V, DC 500V, used instruments and equipment. RVV-- copper core PVC insulated and sheathed flexible cable, allowing long-term temperature 105 ℃, operating voltage AC 500V, DC 1000V, for moisture, mechanical protection requirements, often moving and bending of the occasion. In fact, the "wire" and "cable" and there is no strict boundaries. Typically the number of core product small diameter, simple structure of the product known as wire, not insulated as bare wires, the other called the cable; conductor cross-sectional area of ??the larger (greater than 6 mm2) as a large wire, the more small (less than or equal to 6 mm2) as a small wire, insulated wire, also known as wire cloth say relatively simple, easy to understand !! cables usually have two or more layers of insulation, mostly multi-core structure around the cable tray , the length is generally greater than 100 meters. Single insulated wire is generally single core, 100 meters roll, radio disc. Cable common models: VV said: PVC insulated (the first V), PVC jacket (second V) YJV22 said: cross-linked PVC insulated (YJ), PVC jacket (V) , steel armor (22) model plus "ZR" or "FR" for flame retardant cable (wire). Plus "L" for the aluminum wire model is relatively simple: BVV-- PVC insulated and sheathed copper core wire, BV-- core PVC insulated copper wire, BYJ-- copper conductor cross-linked polyolefin insulated wires, BVR-- PVC insulated copper conductor cord, BX-- core rubber insulated copper wire, RHF-- chloroprene rubber copper conductor cord. (2) small-diameter called "line"; a large diameter called "cable." (3) simple structure called the "line"; complex structure called "cable." But with expanding the use of, a lot of variety "line in cable", "cable in cable." So there is no need for strict distinction. On the daily habits, people called the home of wire cloth wire, the power cable short cable. Wires and cables including bare wires, wires, power cables, communication cables and cable, electrical equipment,