What Yehuda Gittelson Learned About Solar That No Classroom Could Teach
The exam is four hours long. It covers electrical theory, photovoltaic system design, roof load calculations, the National Electrical Code, battery storage integration, and half a dozen other domains most people would need years to feel confident navigating. Yehuda Gittelson sat for the NABCEP PV Installation Professional exam the same week he wrapped up a commercial rooftop job in Scarborough, still working through calluses on his palms. He...