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NRCA Guidelines for Rooftop-mounted Photovoltaic Systems, 2018
NRCA's updated guidelines also give you information from the 2018 editions of the International Building Code, International Residential Code, International Fire Code and NFPA 1: Fire Code, and the 2017 edition of NFPA 70: National Electric Code. This valuable technical resource is complemented by figures graphically depicting building code requirements and illustrating proper rooftop-mounted PV system installation.