Nationally Recognized Testing Laboratory (NRTL) Approved Standards
Product Standards:
| ANSI/ASME A17.5 * | Elevators and Escalator Electrical Equipment |
| ASTM E2074 | Standard Method for Fire Tests of Door Assemblies |
| ANSI Z21.1 | Household Cooking Gas Appliances |
| ANSI Z83.7 | Gas-Fired Construction Heaters |
| ANSI Z83.11 | Gas Food Service Equipment -- Ranges and Unit Broilers |
| ANSI Z83.18 | Direct Gas-Fired Industrial Air Heaters |
| UL 10A | Tin-Clad Fire Doors |
| UL 10B | Fire Tests of Door Assemblies |
| ANSI/UL 22 | Amusement and Gaming Machines |
| ANSI/UL 65 | Electric Wired Cabinets |
| ANSI/UL 67 | Electric Panelboards |
| ANSI/UL 73 | Electric-Motor-Operated Appliances |
| UL 104 | Elevator Door Locking Devices and Contacts |
| ANSI/UL 174 | Household Electric Storage-Tank Water Heaters |
| UL 181 | Factory-Made Air Ducts and Air Connectors |
| ANSI/UL 197 | Commercial Electric Cooking Appliances |
| ANSI/UL 231 | Power Outlets |
| ANSI/UL 325 | Door, Drapery, Gate, Louver and Window Operator and Systems |
| UL 416 | Refrigerated Medical Equipment |
| ANSI/UL 471 | Commercial Refrigerators and Freezers |
| ANSI/UL 474 | Dehumidifiers |
| ANSI/UL 499 | Electric Heating Appliances |
| ANSI/UL 506 | Specialty Transformers |
| ANSI/UL 508 | Electric Industrial Control Equipment |
| UL 544 | Electric Medical and Dental Equipment |
| ANSI/UL 555 | Fire Dampers (previously Fire Dampers and Ceiling Dampers) |
| ANSI/UL 563 | Ice Makers |
| UL 664 | Commercial (Class IV) Electric Dry-Cleaning Machines |
| ANSI/UL 676 | Underwater Lighting Fixtures |
| ANSI/UL 710 | Exhaust Hoods for Commercial Cooking Equipment |
| UL 733 | Oil-Fired Air Heaters and Direct-Fired Heaters |
| ANSI/UL 749 | Household Electric Dishwashers |
| ANSI/UL 778 | Motor-Operated Water Pumps |
| UL 795 | Commercial-Industrial Gas-Heating Equipment |
| ANSI/UL 834 | Heating, Water Supply, and Power Boilers--Electric |
| ANSI/UL 845 | Motor Control Centers |
| ANSI/UL 858 | Household Electric Ranges |
| ANSI/UL 935 | Fluorescent-Lamp Ballasts |
| ANSI/UL 1004 ** | Electric Motors |
| ANSI/UL 1026 | Electric Household Cooking and Food-Serving Appliances |
| ANSI/UL 1029 | High-Intensity Discharge Lamp Ballasts |
| ANSI/UL 1081 | Electric Swimming Pool Pumps, Filters and Chlorinators |
| ANSI/UL 1262 *** | Laboratory Equipment |
| ANSI/UL 1450 | Motor-Operated Air Compressors, Vacuum Pumps and Painting Equipment |
| ANSI/UL 1585 | Class 2 and Class 3 Transformers |
| UL 1598 | Luminaries |
| UL 1838 | Low Voltage Landscape Lighting Systems |
| UL 1995 | Heating and Cooling Equipment |
| ANSI/UL 1996 | Duct Heaters |
| UL 2021 | Fixed and Location-Dedicated Electric Room Heaters |
| ANSI/UL 2157 | Electric Clothes Washing Machines and Extractors |
| ANSI/UL 2158 | Electric Clothes Dryers |
Restrictions/Limitations on Recognition Granted:
* Recognition under ANSI/ASME A17.5 is limited to cab construction and associated electrical equipment.
** Recognition under ANSI/UL 1004 is limited to 10HP maximum electric motors.
*** Recognition under ANSI/UL 1262 is limited to sample processing equipment.
Note - Testing and certification of gas operated equipment is limited to equipment for use with "liquefied petroleum gas" ("LPG" or "LP-Gas").