Tag: UL 9540

  • The difference between UL 9540 and 9540A

    By: Lucas Miller – Senior Engineering Consultant, Mayfield Renewables In 2018, the California Solar Energy Industries Association (CALSEIA) rebranded to become the California Solar and Storage Association (CALSSA). Their justification was simple: it was a move that “recognizes solar’s central role in the future of the U.S. electricity generation mix while acknowledging its next evolution……

  • Fire safety code conundrums continue for battery suppliers

    Manufacturers of batteries for stationary energy storage are facing a moving target for fire safety code as written by the leading U.S. defining body for fire safety, the National Fire Protection Association (NFPA). NFPA Code 855 is now in its third iteration, with a fourth and fifth already in the works. National electric codes follow……