Where a delta bank of three transformers is installed to serve a load that is comprised mostly of 120-volt loads, all three transformers must be the same size.

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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

Where a delta bank of three transformers is installed to serve a load that is comprised mostly of 120-volt loads, all three transformers must be the same size.

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