HV Exit Exam • Set 4 Question 23 of 30

Which of the following insulating materials is widely used for low and medium voltage marine electrical wiring and cables?

✓

Direct Answer

Option C: Polyvinyl Chloride (PVC) / XLPE

Polyvinyl chloride (PVC) and cross-linked polyethylene (XLPE) with low-smoke zero-halogen (LSZH) sheathing are the most standard insulation materials for low/medium voltage marine cables.

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Polyethylene

Porcelain

Polyvinyl Chloride (PVC) / XLPE (Correct Answer)

Mica paper

Detailed Explanation & Context

Polyvinyl chloride (PVC) and cross-linked polyethylene (XLPE) with low-smoke zero-halogen (LSZH) sheathing are the most standard insulation materials for low/medium voltage marine cables.

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

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