This standard specifies the definitions, symbols and abbreviations, raw materials, product classifications, model specifications, markings and connection methods, technical requirements, test methods, inspection rules, and judgments of polyethylene (PE) conduits for power cable protection (hereinafter referred to as conduits). Rules, signs, storage and stacking. This standard applies to polyethylene as the main raw material, extruded and used to protect buried underground power cable conduits. Also suitable for plastic conduits for coiled polyethylene power cable protection. This standard does not apply to conduits for power cable protection that require flame retardancy.
T/ZJHJ 004-2018 history
2018T/ZJHJ 004-2018 Polyethylene (PE) conduit for power cable protection 2018