A very long underground branch circuit in Schedule 40 PVC runs from a 120/208-volt, 3-phase, 4-wire panel to the load. The branch-circuit conductors are connected to a 30-A circuit breaker. The conductors are 2 AWG. The smallest EGC that can be installed in the PVC is ___ AWG.

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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 very long underground branch circuit in Schedule 40 PVC runs from a 120/208-volt, 3-phase, 4-wire panel to the load. The branch-circuit conductors are connected to a 30-A circuit breaker. The conductors are 2 AWG. The smallest EGC that can be installed in the PVC is ___ AWG.

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