SECTION 16221

Feb 12, 2009 · 3. 277/480 V, Three Phase, 4W, Premises Wiring Systems: a. Motors Less Than 1/2 hp: NEMA standard motor voltage 115 V, single phase, 60 Hz. b. Motors 1/2 hp and Larger: NEMA standard motor voltage 460 V, three phase, 60 Hz. 440 V motors are not acceptable. D. Horsepower Capacity: 1. ................
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