# Solar Photovoltaic Installers > Assemble, install, or maintain solar 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. May perform minor electrical work such as current checks. - Code: 47-2231.00 (O*NET-SOC; SOC 2018 47-2231) - Family: [Construction & Extraction](https://foundation.org.ai/occupations#family-47), one of its 65 occupations - Tasks: 26 tasks (25 core and 1 supplemental) - Page: https://foundation.org.ai/occupations/47-2231.00 - JSON: https://foundation.org.ai/data/tasks/47-2231.00.json ## What the work is made of 1. Install photovoltaic (PV) systems in accordance with codes and standards, using drawings, schematics, and instructions. Core task · Task 17742 · Rated by 62 people who do the job, August 2024 2. Check electrical installation for proper wiring, polarity, grounding, or integrity of terminations. Core task · Task 17746 · Rated by 61 people who do the job, August 2024 3. Identify electrical, environmental, and safety hazards associated with photovoltaic (PV) installations. Core task · Task 17753 · Rated by 62 people who do the job, August 2024 4. Identify installation locations with proper orientation, area, solar access, or structural integrity for photovoltaic (PV) arrays. Core task · Task 17754 · Rated by 62 people who do the job, August 2024 5. Assemble solar modules, panels, or support structures, as specified. Core task · Task 17740 · Rated by 62 people who do the job, August 2024 6. Apply weather sealing to array, building, or support mechanisms. Core task · Task 17745 · Rated by 62 people who do the job, August 2024 7. Install module array interconnect wiring, implementing measures to disable arrays during installation. Core task · Task 17756 · Rated by 62 people who do the job, August 2024 8. Install required labels on solar system components and hardware. Core task · Task 17757 · Rated by 61 people who do the job, August 2024 9. Diagram layouts and locations for photovoltaic (PV) arrays and equipment, including existing building or site features. Core task · Task 17750 · Rated by 62 people who do the job, August 2024 10. Determine materials, equipment, and installation sequences necessary to maximize installation efficiency. Core task · Task 17765 · Rated by 62 people who do the job, August 2024 11. Test operating voltages to ensure operation within acceptable limits for power conditioning equipment, such as inverters and controllers. Core task · Task 17761 · Rated by 62 people who do the job, August 2024 12. Determine appropriate sizes, ratings, and locations for all system overcurrent devices, disconnect devices, grounding equipment, and surge suppression equipment. Core task · Task 17747 · Rated by 62 people who do the job, August 2024 13. Activate photovoltaic (PV) systems to verify system functionality and conformity to performance expectations. Core task · Task 17744 · Rated by 62 people who do the job, August 2024 14. Identify and resolve any deficiencies in photovoltaic (PV) system installation or materials. Core task · Task 17752 · Rated by 61 people who do the job, August 2024 15. Visually inspect and test photovoltaic (PV) modules or systems. Core task · Task 17762 · Rated by 61 people who do the job, August 2024 16. Examine designs to determine current requirements for all parts of the photovoltaic (PV) system electrical circuit. Core task · Task 17751 · Rated by 62 people who do the job, August 2024 17. Demonstrate system functionality and performance, including start-up, shut-down, normal operation, and emergency or bypass operations. Core task · Task 17764 · Rated by 62 people who do the job, August 2024 18. Identify methods for laying out, orienting, and mounting modules or arrays to ensure efficient installation, electrical configuration, or system maintenance. Core task · Task 17755 · Rated by 62 people who do the job, August 2024 19. Measure and analyze system performance and operating parameters to assess operating condition of systems or equipment. Core task · Task 17758 · Rated by 61 people who do the job, August 2024 20. Program, adjust, or configure inverters and controls for desired set points and operating modes. Core task · Task 17759 · Rated by 62 people who do the job, August 2024 21. Determine connection interfaces for additional subpanels or for connecting photovoltaic (PV) systems with utility services or other power generation sources. Core task · Task 17748 · Rated by 62 people who do the job, August 2024 22. Determine photovoltaic (PV) system designs or configurations based on factors such as customer needs, expectations, and site conditions. Core task · Task 17749 · Rated by 62 people who do the job, August 2024 23. Select mechanical designs, installation equipment, or installation plans that conform to environmental, architectural, structural, site, and code requirements. Core task · Task 17760 · Rated by 62 people who do the job, August 2024 24. Perform routine photovoltaic (PV) system maintenance on modules, arrays, batteries, power conditioning equipment, safety systems, structural systems, weather sealing, or balance of systems equipment. Core task · Task 17743 · Rated by 61 people who do the job, August 2024 25. Compile or maintain records of system operation, performance, and maintenance. Core task · Task 17763 · Rated by 62 people who do the job, August 2024 26. Install active solar systems, including solar collectors, concentrators, pumps, or fans. Supplemental task · Task 17741 · Rated by 61 people who do the job, August 2024 ## More in Construction & Extraction - [Boilermakers](https://foundation.org.ai/occupations/47-2011.00): 17 tasks - [Brickmasons and Blockmasons](https://foundation.org.ai/occupations/47-2021.00): 14 tasks - [Carpenters](https://foundation.org.ai/occupations/47-2031.00): 29 tasks - [Carpet Installers](https://foundation.org.ai/occupations/47-2041.00): 16 tasks - [Cement Masons and Concrete Finishers](https://foundation.org.ai/occupations/47-2051.00): 26 tasks - [Construction and Building Inspectors](https://foundation.org.ai/occupations/47-4011.00): 19 tasks - [Construction and Related Workers, All Other](https://foundation.org.ai/occupations/47-4099.00): no tasks listed - [Construction Laborers](https://foundation.org.ai/occupations/47-2061.00): 27 tasks - [Continuous Mining Machine Operators](https://foundation.org.ai/occupations/47-5041.00): 15 tasks - [Derrick Operators, Oil and Gas](https://foundation.org.ai/occupations/47-5011.00): 15 tasks - 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