John Wiles

About the Author

John Wiles is the senior research engineer for the Southwest Technology Development Institute where he conducts PV component and system testing and analysis. For more than two decades, Wiles has served as a coordinator between PV manufacturers, system integrators and electrical inspectors in developing requirements for the National Electrical Code and Underwriters Laboratories PV standards. As secretary of the PV Industry Forum, he has provided more than 60 proposals that have been accepted for inclusion in the NEC.