A healthcare facility is to be served by a 200A, 480V, 3-phase feeder. What is the maximum length of the raceway allowed according to 318.30(B)(1)?
- A50 feet
- B75 feet
- 100 feet
- D125 feet
Exam tip
Always check the maximum length of raceways in 318.30(B)(1) for different feeder sizes.
Why C is correct
According to 318.30(B)(1), the maximum length of the raceway allowed for a 200A, 480V, 3-phase feeder is 100 feet. The other options exceed the allowable length.
