HV Exit Exam • Set 5 Question 2 of 30

Under standard electrical installation codes, the minimum allowable clear workspace depth in front of electrical switchboards and control gear is typically:

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Direct Answer

Option A: 36 inches (approx. 0.9 to 1.0 m)

Standard industrial codes (NEC / NFPA 70 / IEC) require a minimum clear workspace depth of 36 inches (0.9 m) in front of low/medium voltage panels to allow unimpeded escape during emergencies.

All Options

36 inches (approx. 0.9 to 1.0 m) (Correct Answer)

48 inches

24 inches

12 inches

Detailed Explanation & Context

Standard industrial codes (NEC / NFPA 70 / IEC) require a minimum clear workspace depth of 36 inches (0.9 m) in front of low/medium voltage panels to allow unimpeded escape during emergencies.

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

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