The means for providing illumination has gone through numerous changes over the centuries, from oil lamps to incandescent bulbs, to fluorescent tubes and LEDs.

Let’s examine how UL’s branding changes impact UL Certification (Listing) Marks and Standards.

With more frequent utility outages due to various environmental events, batteries are even more important in today’s PV systems.

Understanding what certification engineers are looking for when testing lighting products can be critical in ensuring a smooth, efficient process.

Let’s examine some provisions for electrically connected life safety systems in the National Building Code of Canada (NBCC).

The testing and certification process is essential in the development, manufacture, and ultimate use of electrical products.

The effort of the public to bring about change and the work of the CMP members and NFPA staff members has us just steps away from a completed cycle of the 2023 NEC.

Always verify the specific parameters of a QIMS UL 2703 Certification (Listing) by reviewing the Certification (Listing) of the device on UL Product iQ.

This issue's Code Hunter focuses on quizzing your knowledge on changes to the upcoming 2023 National Electrical Code.

COVID and its related supply-chain issues are having various impacts on the installation and inspection of alternative-energy systems, including PV.