Specifications include, but are not limited to: General system: 1. All systems shall be code-compliant to NEC 2017 (Kentucky). 2. Kentucky NEC 2017 compliant systems must fully incorporate 690.1 rapid disconnect requirements (as legally mandated). 3. Central inverters shall be transformerless. 4. Electrical connection shall be on the load side of the meter. 5. Metal conduit shall be used for all above ground wiring. Rigid metal conduit is preferred. 6. Surface mounted metal conduit is acceptable, except in finished interior areas. 7. Only copper wire shall be used. 8. Designs shall comply with local code requirements including access space around the array and conduit surface support requirements. 9. Grid connection shall follow the utility company’s design and installation standards. 10. Performance monitoring shall be provided at array or module level and installers will provide appropriate written and verbal guidance to ensure customer can access web or App-based monitoring and fault data.