电缆常识（Cable is common sense）.docVIP

电缆常识（Cable is common sense） Wire knowledge: 1. The meaning of electric wire universal symbol: [1] code. B - wire (sometimes not) [2] conductor. T - copper core (by default), l-aluminum core, R - soft copper (3) insulation. V - polyvinyl chloride, X - rubber, F - chloroprene rubber (4) sheath. V - polyvinyl chloride (5) other. R - flexible wire, p-shield, b-parallel 1. R - connect with soft cable (wire), soft structure. V - insulated polyvinyl chloride. V - PVC insulated V - polyvinyl chloride sheath B - flat (flat). S-double-stranded. A - tin or silvered. F - high - temperature p-braided P - braided shielding P22 - steel band armor y-precast, ZR - flame retardant type NH - refractory WDZ - halogen low smoke flame retardant WDN - halogen-free low-smoke fireproof type 2: general all sorts of letter on behalf of the meaning of: A (poly) amine (fat), Ann (load), aluminum plastic sheath (Alpeth) B: flat, and A half (knit), pump, cloth, (poly) benzene (ethylene), Cable common sense: cable is usually divided into power cable and control cable. (1) the meaning of the universal symbol of the cable: [1] zr-fire, nh-fire, ZA (IA) -benan [2] use, k-control cable, p-signal cable, DJ - computer cable [3] insulation. V - polyvinyl chloride, y-polyethylene, yj-crosslinked polyethylene, [4] conductor. T - copper core, by default, L - aluminum core. (5) inner sheath (sheath), V - polyvinyl chloride (PVC), Y - polyethylene, Q - lead package, L - aluminum bag, H - rubber, HF - non-combustible rubber, LW - corrugated aluminium sheath, F - neoprene, N - nitrile butadiene rubber sheath. YJV crosslinked polyethylene insulation, PVC sheathed power cable 4. Electric wire knowledge: 1. The meaning of electric wire universal symbol: [1] code. B - wire (sometimes not) [2] conductor. T - copper core (by default), l-aluminum core, R - soft copper (3) insulation. V - polyvinyl chloride, X - rubber, F - chloroprene rubber (4) sheath. V - polyvinyl chloride [5]. R - flexible wire, p-shield, b-parall