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 ...
Article 310 contains the general requirements for conductors, such as their insulation markings, ampacity ratings, and conditions of use. It does not apply to ...
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 ...
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