Ryan Mayfield led an informative discussion on the history of the NEC PV Hazard Control System rules and the latest changes to the UL 3741 standard.

Term Safety: a Practical Guide for HomeownersDenver, CO, Jan. 20, 2026 (GLOBE NEWSWIRE) -- A radon mitigation system is a ...

US industry experts trace the evolution of PV rapid shutdown rules and outline how recent updates to UL 3741 are reshaping compliance pathways for rooftop and commercial solar in the United States.

An earlier hierarchy of controls had engineering controls as the top-level control. Of course, now most hierarchy of controls, including the one used by OSHA, include elimination and substitution as ...

Underwriters Laboratories, a U.S. nonprofit standards development organization, has published the new UL 3741 safety standard, which is related to the evaluation of PV hazard control functions. “The ...

The Food and Drug Administration sends warning letters to entities under its jurisdiction as part of its enforcement activities. Some letters are not posted for public view until weeks or months after ...

Radon mitigation systems are an extremely efficient and effective solution that can easily reduce radon levels in homes, schools, and commercial structures. Frequently, we have seen a reduction in ...

WASHINGTON (NEWS10)­ – Senator Gillibrand announced the inclusion of $360 million for the Department of Housing and Urban Development (HUD)’s Office of Lead Hazard Control and Healthy Homes in the ...

The Redevelopment Authority of Erie has received funds from the U.S. Department of Housing and Urban Development toward a lead hazard control program. The funding exists to reduce and ultimately ...

When: Lancaster City Council meeting, May 27. Council member Janet Diaz was absent. What happened: The city completed 170 lead hazard control projects and 40 critical home repair projects at an ...