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Instrument Components:
1. Main Unit: Applies high-voltage, high-energy pulse signals to the cable under test;
2. High-Voltage Output Line: Connects the high-voltage output terminal of the main unit to the core of the cable under test;
3. Ground Wire: Safety ground and grounding wire for the discharge rod;
4. Power Cord: The instrument's operating power cord;
5. Fuse: A spare fuse for the AC220V power supply system;
6. Discharge Rod: Performs DC current-limited discharge or DC short-circuit discharge on the cable under test.