What procedure is followed during Sanction to Test on High Voltage equipment?
Direct Answer
Option A: Temporarily remove safety earths under strict control to perform insulation or hi-pot testing, then re-earth
A Sanction to Test is a specialized permit allowing the temporary removal of safety earths to perform insulation resistance or high-potential testing. This procedure must be strictly controlled by the Authorised Person to ensure that the equipment remains isolated from the main supply, preventing accidental energization while the protective grounding is removed.
All Options
Detailed Explanation & Context
A Sanction to Test is a specialized permit allowing the temporary removal of safety earths to perform insulation resistance or high-potential testing. This procedure must be strictly controlled by the Authorised Person to ensure that the equipment remains isolated from the main supply, preventing accidental energization while the protective grounding is removed.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • High Voltage Safety Officer & Switchgear Operations (HV).
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