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Wiring Devices Testing and Certification Services

Offering testing and certification for many types of wiring devices, depending on the product, voltage class, industry and environment type.

Multiple colored wires with wire cutter and electrical tools


The wiring devices industry is the infrastructure intended to support the safer use of the connection, routing and switching of electricity in our homes (residential), office (commercial), and factory (industrial) applications.

Testing and certification by a trusted, independent third party helps to ensure safe products are in use within the global market and helps to differentiate your products from your competitors.


We offer certifications and standards to cover a wide variety of wiring devices depending on the product, voltage class, industry and environment type such as:

  • Attachment plugs
  • Cable trays
  • Conduit
  • Connectors
  • Grounding and bonding equipment
  • Lightning protection
  • Outlet boxes
  • Power strips
  • Receptacles
  • Terminal blocks

In addition to certifying to the U.S. and Canada requirements, we can also offer informative reports or CB Scheme reports to various IEC standards.


We facilitate Global Market Access with customized service packages to optimize project turnaround time, minimize administration, and reduce project costs. Our involvement in the CB Scheme, an international system for mutual acceptance of test reports and certifications, provides a cost- and time-effective increase in global market access to our customers.

Manufacturers with in-house testing capabilities may qualify to perform testing at their facilities under our Data Acceptance Program (DAP). Such testing can help reduce certification process costs and time.

UL Webinar Connector Certification Levels

An easy roadmap to understanding connector certification levels

Watch our webinar

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