In a 7200 to 4160-volt, 3Ø, 150 kVA transformer installed in a supervised location and supplied from a feeder tap protected with a 3Ø fused safety switch, the maximum size fuses permitted in the safety switch 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 a 7200 to 4160-volt, 3Ø, 150 kVA transformer installed in a supervised location and supplied from a feeder tap protected with a 3Ø fused safety switch, the maximum size fuses permitted in the safety switch is:

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