New Jersey’s 2023 NEC Is Now in Force: What It Means for Your Generator Install
Summary New Jersey’s electrical subcode changed on August 17, 2026, when the state officially replaced the 2020 National Electrical Code with the 2023 edition as part of a broader update to its Uniform Construction Code. For homeowners planning a Generac standby generator installation in Monmouth County or anywhere else in the state, that date matters because the edition governing your permit shapes the technical requirements your contractor must meet — from how the transfer switch is specified to how the generator is sized. The two sections with the most direct impact on a residential install are NEC 702.4 (System Capacity)