Based on real-world test data and investigation results from on-the-job safety-related incidents, we have found low-voltage arc flash energy can be underestimated. “Low voltage” in the NESC is defined as…
Electric utilities face the challenge of managing aging and unsupported legacy automation and monitoring equipment at their substations and pole-tops. This equipment is critical for accessing data from intelligent electronic…
During a disruption in electrical service, there are various responsibilities that the utility and homeowner have regarding safe delivery of electricity. This sometimes-contentious issue involves a defined term found in Article 100 of the 2017 National Electric Code (NEC) known as the “service point.” Which begs the question, “How well do you know your electrical service point?”
The report, Navigating Utility Business Model Reform: A Practical Guide to Regulatory Design, offers a menu of regulatory options for policymakers, utilities, and electric customers to best support and manage the evolution of a 21st-century grid.
Electrical grid infrastructure remains one of the nation’s biggest vulnerabilities. From storm damage, to vandalism, to deliberate attack, members of the professional electrical community, utilities, the media, state leaders, and government agencies need to consider how the United States can most effectively secure the safety, dependability and future of the national electrical grid.
Large-scale PV plants have become commonplace in the desert southwest with plants routinely exceeding 100 MW in size. How does that impact the local AHJ and why is Article 691 for large-scale PV electric supply stations even in the NEC?
UL Certifies/Lists energy storage systems for use in accordance with new Article 706 in the 2017 NEC. UL Certifies/Lists these systems under the product category Energy Storage Systems and Equipment (FTBW).