T/UNP 764-2026 Active Group standards

T/UNP 764-2026 Specification for power cables with extruded insulation for rated voltages from 6kV up to 35kV

Publish Date: 2026-03-27 Implement Date: 2026-03-27 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/UNP 764-2026

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Normal diagnostic instruments

ICS Name: Cable

Publish Date: 2026-03-27

Implement Date: 2026-03-27

Scope

This standard applies to 6kV-35kV extruded insulated power cables, covering ordinary, flame-retardant, and fire-resistant types. The cables are classified by voltage, conductor, core number, insulation, and sheath materials, with clear specifications and thickness parameters. Technical requirements include smooth and regular conductors and compliance with resistance standards; insulation using XLPE/EPR, with strict control of thickness, eccentricity, and electrical performance; a continuous and dense semi-conductive shielding layer; and a sheath with good mechanical and environmental resistance performance. The standard specifies corresponding test methods, divides inspections into three categories: factory inspection, type inspection, and sampling inspection, and clarifies requirements for marking, packaging, transportation, and storage to ensure the quality and safety of the cables in use.