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Chapter 6 — BUILDING SERVICES AND SYSTEMS

Section 603

California Fire Code (Title 24, Part 9) · 2022 edition · updated 2026-09-10 · California

CBSC: official editions, supplements and errata

Italicized text is a California amendment to the model code, as printed in the official publication.

ELECTRICAL EQUIPMENT, WIRING

AND HAZARDS

603.1 General. Electrical equipment, wiring and systems

required by this code or the California Building Code shall be installed, used and maintained in accordance with the Cali- fornia Electrical Code and Sections 603.2 through 603.10.

603.1.1 Equipment and wiring. All electrical equipment, wiring, devices and appliances shall be tested; listed and labeled; and installed, used and maintained in accordance with the California Electrical Code and all instructions included as part of such listing.

603.1.2 Healthcare facilities. In Group I-2 facilities, ambulatory care facilities and outpatient clinics, the electrical systems and equipment shall be maintained and tested in accordance with NFPA 99 and Article 517 of the California Electrical Code.

Exceptions & meaning →

603.2 Abatement of unsafe conditions and electrical

hazards. Conditions that constitute an electrical shock or fire hazard shall be abated.

603.2.1 Modified or damaged. Electrical wiring, devices, equipment and appliances that are modified or damaged, and constitute an electrical shock or fire hazard, shall not be used until repaired or replaced in accordance with this code and the California Electrical Code .

603.2.2 Open electrical terminations. Open junction boxes and open-wiring splices shall be prohibited. Approved covers shall be provided for all switch and electrical outlet boxes.

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603.3 Illumination. Illumination shall be provided for

service equipment areas, motor control centers and electrical panelboards.

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603.4 Working space and clearances. Working space

around electrical equipment shall be provided in accordance with Section 110.26 of the California Electrical Code for electrical equipment rated 1,000 volts or less, and Section 110.32 of the California Electrical Code for electrical equipment rated over 1,000 volts. The minimum required working space shall be not less than 30 inches (762 mm) in width, 36 inches (914 mm) in depth and 78 inches (1981 mm) in height in front of electrical service equipment. Where the electrical

Exceptions & meaning →

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