HV Exit Exam • Set 4 Question 7 of 30

Electrical injuries and fatalities on board vessels are commonly caused by:

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Direct Answer

Option D: All of the above

Marine electrical accidents stem from equipment degradation (salt, vibration, moisture), wet bilges/decks, and bypassing lock-out / tag-out / isolation safety protocols.

All Options

Defective equipment or deteriorated insulation

Hazardous or damp working environments

Unsafe work practices and failure to isolate/ground

All of the above (Correct Answer)

Detailed Explanation & Context

Marine electrical accidents stem from equipment degradation (salt, vibration, moisture), wet bilges/decks, and bypassing lock-out / tag-out / isolation safety protocols.

Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • High Voltage Safety Officer & Switchgear Operations (HV).

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