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固定布线用电线 Fixed Wiring (No-sheathed Wires) 固定布线用护套电缆 PVC Sheathed Cables for Fixed Wiring 连接用软电线 Connecting Flexible Wires (No-sheathed Wires) 一般用途及连接用护套软电缆 Connecting Flexible PVC Sheathed Cables 安装用电线 Internal wiring of equipment 阻燃电线 Flame Retardant Wires 低烟无卤电线 Low Smoke Halogen Free Wire