A liquid-filled transformer has a primary voltage of 12,470 volts. The transformer is surrounded by a 6-foot-high fence. The overall height of the fence must be extended 1 foot with at least ___ strands of barbed wire on top of the fence.

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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

A liquid-filled transformer has a primary voltage of 12,470 volts. The transformer is surrounded by a 6-foot-high fence. The overall height of the fence must be extended 1 foot with at least ___ strands of barbed wire on top of the fence.

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