The 2026 edition of the National Electrical Code (NEC) now includes 14 AWG Copper-Clad Aluminum (CCA) as an approved conductor for 10-amp branch circuits — a milestone that expands the acceptance of ...
Explanation: NEC 250.66 (B) limits the required conductor to #4 AWG copper. Lupacchino is a senior design engineer with Gaylor Electric, Inc. in Noblesville, Ind. and serves as an alternate on NEC ...