Understanding the 25-Foot Secondary Conductor Rule in the 2023 NEC Understanding the 25-Foot Secondary Conductor Rule in the 2023 NEC: Section 240.21(C)(6) The 25-foot secondary conductor rule, outlined in 240.21(C)(6) of the 2023 National Electrical Code (NEC), allows transformer secondary …
Understanding the 10-Foot Secondary Conductor Rule in the 2023 NEC Understanding the 10-Foot Secondary Conductor Rule in the 2023 NEC: Section 240.21(C)(1) The 10-foot secondary conductor rule, as outlined in 240.21(C)(1) of the 2023 National Electrical Code (NEC), permits transformer …