Adapter cable: YJV/YJLV series three-core cable (section 25-400mm²), voltage class 10kV, in line with GB/T 18889 and IEC 60502-2 standards, designed for indoor scenarios such as substations and data centers. Electrical test: power frequency voltage 42kV/5min no breakdown, lightning impact voltage 95kV (GB/T 3048.8);