Section 3203 — COMMODITY CLASSIFICATION — 2025 California Fire Code (Title 24, Part 9)

3203.1 Classification of commodities. ¶

3203.1 Classification of commodities. Commodities shall be classified as Class I, II, III, IV or high hazard in accordance with Sections 3203.2 through 3203.10.3. Materials listed within each commodity classification are assumed to be unmodified for improved combustibility characteristics. Use of flame-retarding modifiers or the physical form of the material could change the classification.

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3203.2 Class I commodities. ¶

3203.2 Class I commodities. Class I commodities are noncombustible products in ordinary corrugated cartons with or without single-thickness dividers, or in ordinary paper wrappings with or without wood pallets. The amount of Group A plastics shall be limited in accordance with Section 3203.9.

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3203.3 Class II commodities. ¶

3203.3 Class II commodities. Class II commodities are Class I products in slatted wooden crates, solid wooden boxes, multiplethickness paperboard cartons or equivalent combustible packaging material with or without wood pallets. The amount of Group A plastics shall be limited in accordance with Section 3203.9.

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3203.4 Class III commodities. ¶

3203.4 Class III commodities. Class III commodities are products of wood, paper, natural fiber cloth, or Group C plastics or products thereof, with or without wood pallets. The amount of Group A plastics shall be limited in accordance with Section 3203.9.

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3203.5 Class IV commodities. ¶

3203.5 Class IV commodities. Class IV commodities are Class I, II or III products containing Group A plastics in ordinary corrugated cartons; Class I, II and III products with Group A plastic packaging; Group B plastics; and free-flowing Group A plastics with or without wood pallets. The total amount of nonfree-flowing Group A plastics shall be limited in accordance with Section 3203.9.

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3203.6 High-hazard commodities. ¶

3203.6 High-hazard commodities. High-hazard commodities are products presenting special fire hazards beyond those of Class I, II, III or IV. Group A plastics not otherwise classified are included in this class.

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3203.7 Classification of plastics. ¶

3203.7 Classification of plastics. Plastics shall be designated as Group A, B or C in accordance with Sections 3203.7.1 through 3203.7.3. 3203.7.1 Group A plastics. Group A plastics are plastic materials having a heat of combustion that is much higher than that of ordinary combustibles, and a burning rate higher than that of Group B plastics. 3203.7.2 Group B plastics. Group B plastics are plastic materials having a heat of combustion and a burning rate higher than that of ordinary combustibles, but not as high as those of Group A plastics. 3203.7.3 Group C plastics. Group C plastics are…

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3203.8 Examples of commodity classification. ¶

3203.8 Examples of commodity classification. Table 3203.8 shall be used to determine the commodity classification for various products and materials. Products not found in the list shall be classified based on the classification descriptions in Sections 3203.2 through 3203.6 and the products they most nearly represent in Table 3203.8. Table 3203.8 considers the product and the packaging if listed with the item. Products with additional packaging consisting of Group A plastics shall be classified in accordance with Section 3203.9. The commodity classifications are based on products with, or…

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3203.9 Limited quantities of Group A plastics in mixed commodities. ¶

3203.9 Limited quantities of Group A plastics in mixed commodities. Figures 3203.9(1) and 3203.9(2) shall be used to determine the commodity classification based on the quantity of Group A plastics in the following situations: 1. The product is not listed in Table 3203.8 and contains Group A plastics. 2. The commodity contains Group A plastics and is not classified as high hazard in Table 3203.8. 3. The product listing in Table 3203.8 does not specifically include packaging, and the packaging material includes Group A plastics. on Jul 18, 2025 11:14 AM (CDT) THEREUNDER. HIGH-PILED COMBUSTIBLE…

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3203.10 Plastic pallets. ¶

3203.10 Plastic pallets. The commodity classification determined in Section 3203.8 or 3203.9 shall be modified in accordance with Sections 3203.10.1 through 3203.10.3 where plastic pallets are used. Exception: The commodity classification is not modified where any of the following conditions occur: 1. Group A plastic commodities are stored on plastic pallets. 2. Sprinkler protection consists of sprinklers at the ceiling only, using sprinklers with a minimum K-factor of K-16.8 (240). 3. The plastic pallets are listed and labeled in accordance with Section 3206.4.1.1. 3203.10.1 Unreinforced…

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