NEC 2026 Compatible
For a 50 horsepower, 460-volt, three-phase squirrel-cage motor with a FLC of 65 Amperes (from NEC Table 430.250), what is the minimum size of THHN copper conductors required for the branch circuit, assuming continuous duty and a 75°C termination rating?
Journeyman Level📋 NEC 430.22, NEC 310.16Motor
A
No. 4 AWG
B
No. 3 AWG
C
No. 2 AWG
D
No. 1 AWG
Explanation & Direct Citation
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