One of the primary functions of personal protective grounds (safety earthing leads) is to provide a _______ impedance path for short-circuit and induced currents.
Direct Answer
Option B: Low
Personal protective grounds must have very low impedance to ensure that in the event of accidental energization, fault current is safely shunted to earth, instantly tripping upstream protection while limiting touch voltage.
All Options
Detailed Explanation & Context
Personal protective grounds must have very low impedance to ensure that in the event of accidental energization, fault current is safely shunted to earth, instantly tripping upstream protection while limiting touch voltage.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • High Voltage Safety Officer & Switchgear Operations (HV).
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