NEC 2026 Compatible

A residential service entrance conductor for a single-family dwelling has an ampacity of 125A. According to CEC 230.79(D), what is the minimum size for the service entrance conductors (copper) if the dwelling has more than three 2-wire branch circuits and the total calculated load is 100A, considering the demand factors?

Journeyman Level📋 CEC 230.79(D), Table 310.15(B)(7)Service Entrance
A

No. 2 AWG

B

No. 1 AWG

C

No. 1/0 AWG

D

No. 2/0 AWG

Explanation & Direct Citation

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    Service Entrance Practice Question: CEC 230.79(D), Table 310.15(B)(7) | SparkShift | SparkShift