Compatible cable: YJV/YJLV single core cross-linked cable (cross-section 25-300mm ²), voltage level 8.7/15kV, in compliance with GB/T 18889 and IEC 60502-2 standards, designed specifically for indoor scenarios such as substation cabinets and data centers. Electrical testing: Power frequency withstand voltage of 45kV/30min without breakdown, lightning impulse withstand voltage of 105kV (GB/T 3048.8);