PV - Grounding Electrode System [690.47] (34min:00sec)

http://www.MikeHolt.com/code. Learn Grounding - Grounding Electrode System with code expert Mike Holt in this excerpt from his best-selling library - Solar Photovoltaic Systems DVD program. For over 40 years, Mike Holt Enterprises has been providing quality electrical code training to help electrical professionals learn the code, prepare for exams, and improve their electrical knowledge.