Issue

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 explains the intent and importance of NEC 300.4, emphasizing how proper protection against fastener penetration remains critical to preventing conductor damage, shock hazards, and fire risks.

As electrical failures continue to cause fires and costly downtime, this article highlights why NFPA 70B has become a critical tool for ensuring safe, reliable, and proactively maintained electrical systems.

After decades of debate, 10-amp general branch circuit conductors are established in the 2026 NEC—this article explores the technical, historical, and regulatory forces that made this major shift possible.

With EV chargers, heat pumps, and smart systems rapidly boosting electrical demand, this article highlights the critical role of precise load calculations in keeping electrified buildings safe and efficient.

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.

As use of digital technologies increases in manufacturing environments, protecting both physical operations and network infrastructure becomes a critical business priority.

A message from outgoing CEO Rudy Garza as he retires in December 2025.

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?

A concise, field-ready guide to where lighting outlets are required, how to size loads, choose and locate luminaires in damp/wet, closet, and bath zones, apply 2023 control updates (battery-only limits; laundry areas), and prep for 2026 switch-citation changes.