UL 2225

Please note: All interim revisions for this edition available at time of your purchase will be included.

Cables and Cable-Fittings For Use In Hazardous (Classified) Locations
UL 2225
1 Scope

1.1 These requirements cover Type MC-HL metal-clad cable for use in hazardous (classified) locations, Class I, Division 1, Groups A, B, C, and D; Class II, Division 1, Groups E, F, and G; Class I, Zone 1, Groups IIA, IIB, and IIC; and Zone 20, 21, and 22 in accordance with the National Electrical Code, NFPA 70.

1.2 These requirements cover Type ITC-HL instrumentation tray cable for use in hazardous (classified) locations, Class I, Division 1, Groups A, B, C, and D, and Class I, Zone 1, Groups IIA, IIB, and IIC; and Zone 20, 21, and 22 in accordance with the National Electrical Code, NFPA 70.

1.3 These requirements cover Type TC-ER-HL tray cable for use in hazardous (classified) locations, Class I, Zone 1, Groups IIA, IIB, and IIC in accordance with the National Electrical Code, NFPA 70.

1.4 These requirements cover explosionproof and dust-ignitionproof cable sealing fittings for use in hazardous (classified) locations, Class I, Division 1 and 2, Groups A, B, C, and D; Class II, Division 1 and 2, Groups E, F, and G in accordance with the National Electrical Code, NFPA 70.

1.5 These requirements cover explosionproof and dust-ignitionproof cable sealing fittings intended for use on mobile offshore oil rigs and drilling platforms, and other marine vessels. Investigations of these fittings include an evaluation for conformity to the installation and use provisions of Title 46 Code of Federal Regulations Sub-part 111.105 and Subpart 111.60 of the United States Coast Guard Electrical Engineering Regulations, Subchapter J (Parts 110 to 113 inclusive) as applied by the authority having jurisdiction.

1.6 These requirements cover increased safety "e" cable fittings and flameproof "d" cable sealing fittings for use in Class I, Zone 1 Groups IIA, IIB and IIC hazardous (classified) locations, in accordance with the National Electrical Code, NFPA 70.

1.7 These requirements cover increased safety "e" cable fittings and flameproof "d" cable sealing fittings for use in hazardous (classified) locations, Class I, Zone 1 for use on mobile offshore oil rigs and drilling platforms, and other marine vessels. Investigations of these fittings include an evaluation for conformity to the installation and use provisions of Title 46 Code of Federal Regulations Sub-part 111.105 and Subpart 111.60 of the United States Coast Guard Electrical Engineering Regulations, Subchapter J (Parts 110 to 113 inclusive) as applied by the authority having jurisdiction.

1.8 These requirements cover increased safety "e" cord connectors and flameproof "d" cord connectors for use only with extra-hard usage cord in hazardous (classified) locations, Class I, Zone 1 in accordance with the National Electrical Code, NFPA 70.

1.9 These requirements cover dust ignition protection by enclosure "t" and "tD" cable fittings for use in Zone 20, 21, and 22 hazardous (classified) locations in accordance with the National Electrical Code, NFPA 70.

1.10 These requirements cover dust ignition protection by enclosure "t" and "tD" extra-hard usage cord connectors for use in Zone 20, 21, and 22 in accordance with the National Electrical Code, NFPA 70.

1.11 These requirements apply to cables, cable fittings and cord connectors for hazardous locations under the following atmospheric conditions:

• A minimum ambient temperature of minus 50°C (minus 58°F);
• An oxygen concentration of not greater than 21 percent by volume; and
• A nominal barometric pressure of one atmosphere.