Overcurrent Protection and the 25-Foot Feeder Tap Rule

Sean White gave an NEC training at this year’s ASES Convention. Video from that presentation is included in our updated free course, “Introduction to Solar PV Design, Installation and Code”. But there was some content that was too advanced for an intro class, so we cut it and here’s one example of that.

Below is a […]

PV Electrical Codes, Time of Use and Inverter Clipping Considerations

Dr. Sean White takes on student questions about National Electrical Code compliance, solar panel Time of Use (TOU) optimization and inverter lifespan. 
Student 1: Why do some AHJ’s (Authority Having Jurisdiction’s) still allow installations under a previous edition of the National Electrical Code? Safety being paramount, is there a time limit for adoption of the latest code?

Dr. Sean White: I […]