San Francisco County Municipal Code Art. 330 Metal-Clad Cable: Type Mc
San Francisco County Municipal Code · 2026-09 edition · updated 2026-10-04 · San Francisco County
Cite as: San Francisco County Municipal Code Article 330 · Text as of 2026-10-04
330.12 Revise item (1) as follows: 330.12 Uses Not Permitted. Type MC cable shall not be used under either of the following conditions: (1) Where subject to physical damage Informational Note: See the 2025 San Francisco Electrical Code Section 300.4 (I) Subject to Physical Damage. ... Exception: Type MC Cable #4 AWG or larger, installed in a lockable room dedicated solely to an electrical service and distribution equipment and accessible only to qualified personnel, shall be considered to have equivalent protection from physical damage when installed in a neat and workman like manner, properly supported, and securely fastened in place.
330.108 Equipment Grounding Conductor.¶
Where Type MC cable is used to provide an equipment grounding conductor, it shall comply with
250.118(10) and 250.122. An equipment grounding conductor, sized as required by Table 250.122, shall be provided within the cable assembly.
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