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Industry News

National standard for wire and cable

Regarding the allowable long-term operating temperature of wire and cable cores, rubber insulation is usually 65℃, polyvinyl chloride insulation is 70℃, and crosslinked polyethylene insulation is 90℃;

2022-12-19
Wire and cable inspection method

(1) DC resistance detectionThere are clear provisions in the relevant national standards: the DC resistance of wires and cables must be based on the conductor resistance per kilometer as the reference

2022-12-19
National standard cable and non-standard cable

When choosing cables, choose cables according to your own site usage, and don't covet cheapness.Thinking that the cable is cheap and guaranteed to be of the national standard, nine out of ten are marg

2022-12-19