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Non-Traditional Service Products

UL vs. FM Approvals

When it comes to fire and life safety equipment, certifications matter. Two of the most recognized are UL Listed and FM Approved. Here’s how they differ:

UL vs FM comparison

Feature UL (Underwriters Laboratories) FM (Factory Mutual / FM Approvals)
Founded 1894, U.S. Early 1900s, U.S. (part of FM Global)
Primary Role Independent safety certification for products Certification focused on property loss prevention & risk reduction
Scope Broad — consumer, commercial, and industrial products Narrower — mainly industrial, high-hazard, and fire protection systems
Key FocusProduct safety and compliance with standards (e.g., NFPA, NEC) Reliability and performance in real-world conditions; minimizing insurance risk
Common Approvals Electrical devices, appliances, fire alarms, IT equipment, building materials Fire sprinklers, suppression systems, detectors, industrial equipment
Marking UL Listed / UL Recognized FM Approved
Who Requires It Building codes, AHJs (Authorities Having Jurisdiction), manufacturers Industrial insurers (esp. FM Global), high-risk facility managers
Bottom Line Ensures product is safe and code-compliant Ensures product is tough, reliable, and proven to prevent property loss

Able Alarm and Electronic Protection, Inc operates under Able Alarm & Systems and Alacrity Alarm Services, LLC.
License information can be found under About, then License