An educational institution has a 50A, 120/240V disconnecting means. According to NEC 2026, what is the minimum number of poles required for this disconnect?
- A1
- 2
- C3
- D4
Exam tip
NEC 110.14(A) provides the requirements for the number of poles in disconnecting means based on the circuit rating.
Why B is correct
The correct answer is 2 poles because NEC 2026 110.14(A) requires a 2-pole disconnecting means for 50A circuits.