A collection of featured documents from our library that are popular among our users or otherwise noteworthy.
Recirculating direct gas-fired heating and forced ventilation appliances for commercial and industrial applications
Gas-fired high-intensity infrared heaters
Gas-fired tubular and low-intensity infrared heaters
Direct gas-fired process air heaters
Non-recirculating direct gas-fired heating and forced ventilation appliances for commercial and industrial application
Gas unit heaters, gas packaged heaters, gas utility heaters, and gas-fired duct furnaces
Flexible water connectors with excess flow shut-off devices
Oil/Gas-Fired Commercial/Industrial Pressure Washers and Steam Cleaners
Portable liquid fuelled catalytic appliances
Portable, pressurized-type, liquid-petroleum-fuelled camp stoves
Portable, pressurized-type, liquid-petroleum-fuelled lamps and lanterns
Profile polypropylene (PP) storm sewer pipe and fittings
PVC Underground Telecommunication Cable Ducting and Fittings
Groove- and shoulder-type mechanical pipe couplings
Escalator and moving walk braking systems
Aluminum and copper plumbing fixtures
Plastic plumbing fixtures
Terrazzo, concrete, composite stone, and natural stone plumbing fixtures
Refrigerant-containing components for use in electrical equipment
Transformers for Toy and Hobby Use
Capacitors for power factor correction
High-Voltage Full-Load Interrupter Switches
Low-voltage fuses - Part 16: Test limiters (Trinational standard with UL 248-16 and NMX-J-009/248/16-2000-ANCE)
Low-voltage fuses — Part 19: Photovoltaic fuses (Trinational standard with UL 248-19 and NMX-J-009/248/19-ANCE)