HV Exit Exam • Set 1 Question 3 of 30
What safety document MUST be issued before performing maintenance on High Voltage switchgear?
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Direct Answer
Option C: High Voltage Permit to Work (PTW) and Sanction to Test
HV PTWs enforce formal isolation, proving dead, earthing, key interlocking, and authorized signatures.
All Options
A
Verbal approval
B
Deck log entry
C
High Voltage Permit to Work (PTW) and Sanction to Test
(Correct Answer)
D
Hot Work Permit only
Detailed Explanation & Context
HV PTWs enforce formal isolation, proving dead, earthing, key interlocking, and authorized signatures.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • High Voltage Safety Officer & Switchgear Operations (HV).
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