T/UNP 660-2025 Active Group standards

T/UNP 660-2025 6kV～35kV cross-linked polyethylene insulated power cable

T/UNP 660-2025 6kV～35kV Crosslinked Polyethylene Insulated Power Cables

Publish Date: 2025-05-14 Implement Date: 2025-05-14 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 660-2025

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: Cable

Publish Date: 2025-05-14

Implement Date: 2025-05-14

Scope

Main technical content: This standard specifies the usage requirements, product models and specifications, technical requirements, test methods, inspection rules, and marking, packaging, transportation, and storage for 6 kV to 35 kV cross-linked polyethylene insulated power cables. It is applicable to phase voltages of 3.6 kV to 26 kV and line voltages of 6 kV to 35 kV for power transmission and distribution lines. The usage requirements include rated voltage, operating temperature (long-term maximum 90℃), overload temperature (130℃, less than 2 hours), etc. The models include YJV, YJLV, etc. The specifications are expressed in terms of the number of cores and the nominal cross-sectional area of the conductors. The technical requirements involve seven parts including conductors and insulation. The tests include items such as the DC resistance of the conductors. The inspection is divided into factory inspection and type inspection. The standard also stipulates requirements for marking, packaging, transportation, and storage.