For interconnected electric power production sources, when one or more phases of the primary source opens, the output of interactive electric power production equipment shall be automatically ___ all ungrounded conductors of the primary source.

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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

For interconnected electric power production sources, when one or more phases of the primary source opens, the output of interactive electric power production equipment shall be automatically ___ all ungrounded conductors of the primary source.

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