HV-L3.1

HV faults and immediate actions

HV-M3 · Faults, management and yachts · HV-M3-A Fault response, management responsibilities, the MCA courses and yacht application.

HV faults are cleared by protection in milliseconds; what you do in the next minutes decides whether the ship stays powered and whether anyone is hurt. **Stabilise, isolate, investigate**, and never re-close blindly onto a fault.

Independent study. xplor is not an accredited training provider and awards no certificate or Certificate of Competency. The MCA High Voltage limitation can only be removed by completing an MCA-approved HV course (or, at operational level on revalidation, the qualifying HV sea service), and this material does not authorise anyone to switch, isolate or work on HV equipment. AI-drafted content pending subject-matter-expert review.