Enclosures for the sustainable energy market: A new perception on existing standards

by Matt Piantedosi and Jack LyonsCodes and StandardsMarch/April 2019RenewablesUncategorizedApril 24, 2019March 28, 2019

With the increase in solar photovoltaic (PV) systems and electric vehicle charging stations, we observe more outdoor electrical equipment than…

Energy storage systems–NEC Article 706

by Joseph Wages, Jr.Codes and StandardsMarch/April 2019RenewablesApril 17, 2019March 27, 2019

The emergence of energy storage systems (ESSs), due to production from alternative energies such as wind and solar installations, has…

BREAKING NEWS: Opportunities abound for wind turbine technicians

by Senée Seale2019Breaking NewsCareer DevelopmentRenewablesApril 16, 2019November 13, 2019

YouTube users may have recently noticed commercials on the platform promoting a career as a wind turbine technician. That point…

UL Question Corner: Field modifications of UL Certified (Listed) products, tapping busbars in switchboards, and who is authorized to apply UL Field Evaluation labels

by Underwriters LaboratoriesCodes and StandardsMarch/April 2019UL Question CornerApril 15, 2019March 27, 2019

Q. When a UL Certified (Listed) product leaves the factory, the UL Mark on the product is the manufacturer’s attestation…

Market drivers and emerging technologies in energy storage

by Zolaikha StrongFeaturesMarch/April 2019April 10, 2019March 26, 2019

For more than a century, the North American electrical grid has operated on the same model: large power sources generate…

Code Hunter: Energy Storage, 2017 NEC

by Christel and Randy HunterCode HunterMarch/April 2019QuizzesApril 8, 2019July 26, 2019

To play this game, you need a sharp eye, a quick mind, and a 2017 National Electrical Code book. (Fill-in-the-blank questions are...

Energy storage systems: The here and now

by Senée SealeFeaturesMarch/April 2019RenewablesApril 3, 2019March 26, 2019

Energy storage has been a hot topic of conversation over the past few years. We’ve heard about futuristic innovations, larger-than-life…

Point in time: The evolution of energy storage

by David ClementsEditorialMarch/April 2019RenewablesApril 1, 2019March 21, 2019

In addition to paying taxes, there is one thing you can count on for sure: the electrical industry will continue…

Conductors, currents, and circuit protection–The AC side

by John WilesJanuary/February 2019Perspectives on PVRenewablesSystems and EquipmentMarch 20, 2019March 12, 2019

Before we get into the details of conductors, currents, and circuit protection on the AC side of the PV system,…

Supply-side power production system interconnections in switchboards

by Marvin R. HamonCodes and StandardsJanuary/February 2019RenewablesSystems and EquipmentMarch 13, 2019March 12, 2019

A supply-side interconnection is any connection to the service conductors on the supply-side of the service disconnecting means. The 2017…