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Distinguished by our independent research and scientific acumen, we’ve driven cutting-edge science into practical safety guidance utilizing our wide array of global safety science experts to oversee the creation of trusted standards and public outreach programs. Our standards have guided the safety and sustainability of both emerging and legacy products since 1903.


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UL Standards & Engagement News
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Deaths From E-Bike Fires Declining in New York City After UL Standards Written Into Law

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Faces of Carbon Monoxide: No Life Guard on Duty — Four Hospitalized by CO Poisoning in Hotel Pool Area

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David Wroth Discusses New Aviation Report on CBS Mornings

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New Data: Battery Thermal Runaway Incidents on Board Passenger and Cargo Aircraft Hit Record High as Passengers Remain Largely Unaware of Risks

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Featured Standards


Recently Published











Coming Soon

UL 48
Electrical Signs
Revision Pages

UL/ULC 25
Meters for Flammable and Combustible Liquids and LP-Gas
Revision Pages

UL 155
Tests for Fire Resistance of Vault and File Room Doors
Revision Pages

UL 310
Electrical Quick-Connect Terminals
New Edition

UL 19
Lined Fire Hose and Hose Assemblies
Revision Pages

UL 104
Elevator Door Locking Devices and Door or Gate Closed Detection Means
New Edition

UL 217
Smoke Alarms
Revision Pages

UL 294
Access Control System Units
Revision Pages
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