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 314.16(B)(5) Equipment Grounding Conductor Fill. NEW for 2020 March 17, 2024 2014 Code Change 422.23 and 422.5 April 16, 2017 New addition to article 555 Code change 2017 NEC October 2, 2021