1312.3 Use of Nonmetallic Gas Hose Connectors — 2025 California Mechanical Code
California Mechanical Code (Title 24, Part 4) · 2025 edition · updated 2026-10-19 · California
CBSC: official editions, supplements and errata
Italicized text is a California amendment to the model code, as printed in the official publication.
Cite as: 2025 California Mechanical Code (Title 24, Part 4) § 1312.3 · Effective January 1, 2026 · Official source: Building Standards Commission
Listed gas hose connectors shall be used in accordance with the manufacturer’s installation instructions and in accor dance with Section 1312.3.1 or Section 1312.3.2. [NFPA 54:9.6.2]
1312.3.1 Indoor. Indoor gas hose connectors shall be used only to connect laboratory, shop, and ironing appliances requiring mobility during operation and installed in accordance with the following:
(1) An appliance shutoff valve shall be installed where the connector is attached to the building piping.
(2) The connector shall be of minimum length and shall not exceed 6 feet (1829 mm).
(3) The connector shall not be concealed and shall not extend from one room to another or pass through wall partitions, ceilings, or floors. [NFPA 54:9.6.2(1)]
1312.3.2 Outdoor. Where outdoor gas hose connectors are used to connect portable outdoor appliances, the connector shall be listed in accordance with CSA/ANSI
Z21.54/CSA 8.4 and installed in accordance with the fol lowing:
(1) An appliance shutoff valve, a listed quick-disconnect device, or a listed gas convenience outlet shall be installed where the connector is attached to the
supply piping and in such a manner so as to prevent the accumulation of water or foreign matter.
(2) This connection shall be made only in the outdoor area where the appliance is to be used. [NFPA 54:9.6.2(2)]
(3) The connector length shall not exceed 15 feet (4572 mm).
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