In an industrial plant, a 600V, 3-phase feeder is to be installed in a raceway. What is the minimum size of the raceway required according to 318.30(A)?

Texas Master exam practice question · Feeders

In an industrial plant, a 600V, 3-phase feeder is to be installed in a raceway. What is the minimum size of the raceway required according to 318.30(A)?

A1.5 inches
B2 inches
2.5 inches
D3 inches

Exam tip

Always check the specific requirements for the voltage and phase of the feeder in 318.30.

Why C is correct

According to 318.30(A), the minimum size of the raceway required for a 600V, 3-phase feeder is 2.5 inches. The other options are smaller and do not meet the code requirements.

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In an industrial plant, a 600V, 3-phase feeder is to be installed in a raceway. What is the minimum size of the raceway required according to 318.30(A)?

In an industrial plant, a 600V, 3-phase feeder is to be installed in a raceway. What is the minimum size of the raceway required according to 318.30(A)?

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