Home / Standards / GB/T 46746-2025 GB/T 46746-2025 Upcoming Marine low-voltage power systems insulation fault locating devices 船舶低压电力系统绝缘故障定位装置 Standard Type GBT ICS 47.020.60 CCS U60 Status 即将实施 Issue Date 2025-12-02 Implementation 2026-07-01 Responsible Dept 国家标准委 Drafting Unit N/A