GB/T 28427-2026 Cables for electrified railway—27.5 kV single-phase AC power cables and cable accessories
GB/T 28427-2026 Cables for electrified railway—27.5 kV single-phase AC power cables and cable accessories
Basic Information
Scope
This document specifies the voltage marking and materials, usage characteristics and conditions of 27.5 kV single-phase AC power cables and accessories for electrified railways, the cable product code and representation method, technical requirements for cables, technical requirements for cable accessories, inspection rules and markings, packaging, transportation and storage, and describes the test conditions and cable testing and cable accessory testing.
This document is applicable to the production and inspection of single-phase AC cables with a rated voltage U0 of 27.5 kV for electrified railways, as well as their indoor and outdoor terminals, intermediate joints, and internal conical pluggable separable connectors. Other related products shall be implemented in accordance with this document.