In panelboards, where the voltage between busbars is 150 volts and the bars are opposite polarity and held free in air, the minimum spacing between the parts is ___.

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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 panelboards, where the voltage between busbars is 150 volts and the bars are opposite polarity and held free in air, the minimum spacing between the parts is ___.

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