NOS are a benchmark of the knowledge and abilities needed to be competent in a particular occupation. Developed by current job incumbents, NOS are a collection of the individual competencies that make up the whole picture of an occupation.
PV Installers assemble and install photovoltaic (PV) systems on roofs or other structures in compliance with site assessment and schematics. May include measuring, cutting, assembling, and bolting structural framing and solar modules. Utility-scale installation requires a wider skill set related to high voltage interconnection and substation knowledge.