Title 9 — CONSTRUCTION CODES AND FIRE CODE›Division 2 — COUNTY BUILDING CODE›Chapter 1 — COUNTY ADOPTION OF THE CALIFORNIA BUILDING CODE
Sec. 3120.2 Main electrical service panel. Newly constructed single-family dwelling…
San Diego County Municipal Code · 2026-09 edition · updated 2026-10-02 · San Diego County
service panel meeting Sections 3120.2.1 through 3120.2.3.
Sec. 3120.2.1 Minimum rating. The main electrical service panel shall have a minimum…¶
Sec. 3120.2.2 Type. The main electrical service panel shall not be of a type with a…¶
Sec. 3120.2.3 Reserved space for future solar photovoltaic system. The main electrical…¶
reserved space complying with Sections 3120.2.3.1 and 3120.2.3.2 to allow for the installation of double-pole circuit breakers for a future solar photovoltaic system.
Sec. 3120.2.3.1 Location. The reserved space for the solar photovoltaic circuit breaker…¶
opposite (load) end from the input feeder or main circuit breaker location.
Sec. 3120.2.3.2 Identification. The reserved space for the solar photovoltaic circuit…¶
visibly marked as "For Future Solar Photovoltaic."
Sec. 3120.2.4 Reserved space for future electric vehicle charging system. The main…¶
have reserved space to allow for the installation of a circuit breaker for a future electric vehicle charging system.
Sec. 3120.2.4.1 Identification. The reserved space for the electric vehicle charging…¶
permanently and visibly marked as "EV Capable."
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