Section 1204 — PORTABLE GENERATORS — 2025 California Fire Code (Title 24, Part 9)

1204.1 Portable generators. ¶

1204.1 Portable generators. The use, operation and maintenance of portable generators shall comply with this section.

1204.2 Listing. ¶

1204.2 Listing. Portable generators manufactured after January 1, 2021, shall be listed and labeled in accordance with UL 2201.

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1204.3 Operation and maintenance. ¶

1204.3 Operation and maintenance. Portable generators shall be operated and maintained in accordance with the manufacturer’s instructions.

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1204.4 Grounding. ¶

1204.4 Grounding. Portable generators shall be grounded in accordance with the California Electrical Code.

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1204.5 Operating locations. ¶

1204.5 Operating locations. Portable generators shall be operated only outdoors a minimum of 5 feet (1524 mm) from any building openings such as windows and doors or air intakes. Portable generators shall not be operated within buildings or enclosed areas. Additional separation shall be provided for tents, membrane structures and outdoor assembly events as specified in Chapter 31.

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1204.6 Cords and wiring. ¶

1204.6 Cords and wiring. Extension cords and temporary wiring used to connect portable generators shall be in accordance with Section 603 and shall be provided with GFCI protection.

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1204.7 Connections to premise wiring. ¶

1204.7 Connections to premise wiring. Connections to a premise wiring system shall comply with all of the following: 1. Power shall not be provided in a manner that “back-feeds” receptacles or the premise wiring system. 2. Connection to a premise served by commercial power shall be made through a listed transfer switch installed, used and maintained in accordance with the California Electrical Code . 3. Connections to buildings not served by commercial power shall comply with the California Electrical Code .

provision permitted lot commission district approval parking minimum height dwelling application requirement review coverage subject setback occupancy development standard accessory yard section structure compliance use provision permitted lot commission district approval parking minimum height dwelling application requirement review coverage subject setback occupancy development standard accessory yard section structure compliance use provision permitted lot commission district approval parking minimum height dwelling application requirement review coverage subject setback occupancy development standard accessory yard section structure

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1204.8 Refueling. Portable generators shall not be refueled while operating. ¶

1204.8 Refueling. Portable generators shall not be refueled while operating.

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1204.9 Storage and repair. ¶

1204.9 Storage and repair. Storage and repair of fuel-fired portable generators shall comply with Section 313.

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1204.10 Fire extinguisher. ¶

1204.10 Fire extinguisher. A listed portable fire extinguisher complying with Section 906 with a minimum rating of 2-A:20-B:C shall be provided not more than 50 feet (15 240 mm) from the portable generator.

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