The winter edition of the 2026 IAEI Magazine marks the 50th anniversary of the UL Solutions Question Corner column. The UL Question Corner – now UL Solutions Question Corner – first appeared in the January 1976 edition of the IAEI News. T
The race toward faster, greener data centers is bringing a surge of uncertified and custom equipment — leaving inspectors and AHJs to determine compliance in a rapidly changing landscape.
As data centers multiply to power the AI revolution, electrical inspectors find themselves on the front lines of ensuring these massive digital engines run safely and reliably.
As the NEC evolves, medium-voltage requirements are undergoing major refinement and separation from low-voltage rules, improving clarity for users and setting the stage for the Code’s future restructuring.
This article clarifies eight key questions about how smoke detectors activate smoke dampers, with guidance anchored in the 2020 NBC, CSA B44-19, and ULC S524-19.
In my state, I have encountered a field evaluation organization I have never heard of that has an accreditation as a field evaluation body (FEB). However, it is not a Nationally Recognized Testing Laboratory (NRTL). Is it required to be an NRTL in order to do field evaluations?
Putting the Spotlight on Lighting Technologies: Where We Have Been and Where We Are (Possibly) Going
From Edison’s carbon-filament lamp to tungsten, gas-filled, mercury vapor, neon, and LPS, the evolution of lighting shows how the past illuminates the path to future innovations.
Electrical inspectors are being transformed by technology—leveraging advanced diagnostics, drones, VR/AR, and AI to work smarter while simultaneously learning to evaluate the smart grids, IoT systems, and AI-driven infrastructure they now inspect.
NFPA 70E and CSA Z462 are, for the most part, developed in parallel and are technically aligned.
Let’s continue to review many readers inquiries about applying the 2024 CE Code and the 2020 NBC, along with the standards those codes reference.










