Low and Medium Voltage Distribution

The evolving technology in today’s connected electrical system can have a large impact on the global requirements for the products that support them. UL can help you navigate those changes, and meet the new requirements and performance expectations.

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Additive Manufacturing

We’ll help you navigate through the AM industry to fully harness the technology of the future — helping your business perform at a whole new level.

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AFCI Protection Device Testing and Certification

We can help ensure your AFCI protection devices meet compliance standards through our expert testing and certification services.

Capacitor Products and Systems Certification Services

Through capacitor certification services, we can help deliver the right capacitor solution for products and systems with options for distinct levels of certification.

Circuit Breaker and Supplementary Protector Services

We can help verify that your mold-case circuit breakers meet today’s industry, regulatory and consumer standards in North America and around the world.

Circuit Protection Safety Evaluation

We evaluate safety-critical circuit protection equipment — including fuses, circuit breakers, protectors, ground/arc fault circuit interrupters, surge protective devices, EMI appliance and facility filters, and capacitors — to compliance standards.

Cable lug and electrical terminal connectors

Connector Certification Services

Our connector certification solutions are available for the U.S. as well as Canada and Mexico. International certification options can help open up new opportunities and markets to you.

Dimmers Testing and Certification Services

We offer certifications and standards to cover a wide array of dimmers and other lighting control devices for a variety of applications, electrical ratings and industries.

Electric and Digital Smart Meters

UL works closely with manufacturers to help ensure the safety and performance of smart electric meters by applying our expertise to existing standards, including UL 2735, IEC 6052-31, ANSI C12, UL 2900 and IEEE 2030.5.

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Electrical Distribution Services

Our customized service packages cover a wide variety of electrical distribution products, and our certifications provide third-party Verification of your equipment’s safety, helping you to achieve compliance with industry requirements.

Various insulation materials that are used in electrical systems.

Electrical Insulation Systems Testing and Certification

We provide third-party certification that your insulations materials and systems have been tested to the industry's highest safety standards.

EMI Appliance Filter Testing and Certification Services

With combined testing of EMI appliance filters, we can speed up your time to market by bundling certifications for UL, CSA and IEC/EN standards.

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Energy Usage Monitoring System Services

We can help you meet the growing demand for safety certification of utility and nonutility electric submeters, energy usage monitors, watt hour meters and smart meters.

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Full Thermal Aging Testing for Electrical Insulation Systems

Our insulation systems services are designed to meet all of your testing needs. Specifically, our full thermal aging program makes it easy to test for compliance with national and many international standards.

Fuse and Fuseholders Services

With combined testing of fuses, we can speed up your time to market by bundling certifications for UL Marks in North America as well as other certifications for markets around the world.

Gaskets and Seals Testing and Certification

UL’s comprehensive testing, certification and assessment services will ensure that your gaskets and seals comply with the appropriate industry regulations. Once certified, they will be published on our Product iQ Database.

General Purpose Model Testing and Certification

We are currently the only third-party certification body that can offer General Purpose Model (GPM), formerly known as Motorette, testing and assembly under one roof — allowing you to enjoy a simplified verification process.

GFCI Personal Protection Devices Testing and Certification

We offer testing and certification services for all type of Class A GFCIs, including GFCI circuit breakers and portable GFCIs.

Grounding and Lightning Protection Component Evaluations

We can help you quickly and efficiently navigate through safety evaluations for lightning protection components, and grounding and bonding equipment.

A picture of many transformers placed side-by-side on the ground.

Low and Medium Voltage Transformers Testing and Certification

As the need for low and medium voltage transformers continues to grow, you need to set your products apart from the competition. The UL Certification Mark offers the highest level of integrity and compliance in the market for transformers.

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Low Voltage Power Distribution Equipment Services

As one of the most trusted resources in the industry, our certification Mark for low voltage power distribution products serves as the industry standard for acceptance — giving you access to industrial, commercial and residential markets around the world.