2017 Code Change 600.3 Listings for signs Post author:Jake Post published:December 11, 2021 Post category:Code Change of the Week This weeks change is an easy one to understand. They included photovoltaic powered signs to also be listed for use as a sign’s electrical system. Till next time be safe work safe Jake You Might Also Like Air-Conditioning and Refrigerating Equipment 440.9 Grounding and Bonding September 5, 2021 Panelboard identification 408.4(B) May 6, 2014 2020 Code change for GFCI protection. NOT TO BE USED UNTIL 12/31/23 October 15, 2022