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.From pv magazine USA Rules requiring rapid shutdown of PV systems installed on buildings in the United States have been part of the National Electrical Code since 2014, and exist primarily to protect firefighters and first responders from harm when they must work around rooftop PV arrays. Industry compliance with these rules, which govern the requirement to reduce the voltage in the wires both inside ...Den vollständigen Artikel lesen ...
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