Description

Wire is composed of one or several soft wires, coated with a soft sheath; A cable is made up of one or more insulated conductors wrapped in a tough outer layer of metal or rubber. Cables and wires are generally composed of three parts: core wire, insulating sheath and protective sheath. Common cable characteristics are as follows: CEF – ethylene propylene rubber insulated neoprene sheathed, Marine flame retardant power cable. CVV – PVC insulated, PVC sheathed flame retardant power cable for Marine. Oxygen chamber wire often uses BV, BX, RV, RVV series wire, including: BV – copper core PVC insulated wire, long-term allowable temperature 65℃, the minimum temperature -15℃, working voltage AC 500V, DC 1000V, fixed in the indoor and outdoor, can be bright or dark compress. BX — copper core rubber insulated wire, the maximum operating temperature of 65℃, applied indoors. RV — PVC insulated single core flexible wire, maximum operating temperature 65℃, minimum operating temperature -15℃, working voltage AC 250V, DC 500V, used for internal wiring instruments and equipment. RVV — copper core PVC insulated and sheathed soft wire, allowing long-term operating temperature 105℃, operating voltage 500V AC, 1000V DC, for wet, mechanical protection requirements, often moving and bending occasions. In fact, there is no strict line between “wire” and “cable”. Usually the core number is less, the product diameter is small, the structure of the simple product is called wire, no insulation is called bare wire, the other is called cable; The conductor with a larger cross-sectional area (greater than 6 square millimeters) is called a large wire, the conductor with a smaller cross-sectional area (less than or equal to 6 square millimeters) is called a small wire, and the insulated wire is also called a cloth wire.