In major repair garages where vehicles that are fueled with lighter‑than‑air fuels are repaired or stored, the area within what distance of the ceiling shall be considered unclassified if ventilation is provided from a point within 450 mm (18 in.) of the highest point in the ceiling?

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Prepare for the Independent Electrical Contractors (IEC) Year 4 Exam. Access flashcards, multiple choice questions, and detailed explanations. Enhance your readiness and achieve your certification!

Multiple Choice

In major repair garages where vehicles that are fueled with lighter‑than‑air fuels are repaired or stored, the area within what distance of the ceiling shall be considered unclassified if ventilation is provided from a point within 450 mm (18 in.) of the highest point in the ceiling?

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