Download our free guide covering NEC purpose and development, code structure and organization, Article 690 for solar installations, and working with inspectors and AHJs. . The Renewable Energy Ready Home (RERH) specifications were developed by the U. Environmental Protection Agency (EPA) to assist builders in designing and constructing homes equipped with a set of features that make the installation of solar energy systems after the completion of the home's. . permit is required for the structural support of all solar energy sy acing for supports of the solar energy devices shall be 48” on center. Racking systems shall be anchored to solid wood roof rafters or to solid wood blocking with a minimum of one 5/16” diameter lag screw embedded a minimum of ��. . t Guidelines (the Guidelines), also called “Step 1: Structural PV Array Mounting Requirements Checklist” (the “Checklist”). It describes the structural engineering principles and assumptions behind the Guidelines Checklist and delineates how the document conforms to the Internati t is to provide. . When installing photovoltaic panels on one- and two-family homes, it's important to understand the requirements for access pathways and the requirements for setback from the ridge, which only apply to roofs with a slope greater than a 2-in-12 pitch. Our latest free guide provides you with a brief overview of the NEC, with insights including: Fill out the info below to get FREE access to the guide.
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