A circuit breaker feeds a 480 to 240/120 V single-phase transformer rated 750 VA. This transformer supplies 240/120 V three-wire to a fused safety switch. Per NEC 450 Article, what is the maximum fuse size allowed to be installed in the safety switch?

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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!

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A circuit breaker feeds a 480 to 240/120 V single-phase transformer rated 750 VA. This transformer supplies 240/120 V three-wire to a fused safety switch. Per NEC 450 Article, what is the maximum fuse size allowed to be installed in the safety switch?

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