The Chinese Cable Part Number Decoder: WDZ, NH, ZR, WDZB Explained

The Chinese Cable Part Number Decoder: WDZ, NH, ZR, WDZB Explained Quick Answer: ZR adds flame retardancy, WDZ adds low-smoke halogen-free behavior, WDZB pins the class to B1, NH keeps circuits live through flame — four prefixes read left to right. Ask for a cable by its insulation letters and you have described what it […]