THE 2017 NATIONAL ELECTRICAL CODE WHAT YOU NEED TO KNOW ABOUT THE LATEST ELECTRIC SIGN REQUIREMENTS. BY WADE SWORMSTEDT HE National Electrical CodeĀ® (NECĀ®) is modified, updated and published on a three-year cycle to accommodate changes in technology and the need to harmonize or otherwise clarify various electrical requirements and corresponding language. Like other types of electrical devices, electric T 42 SIGNS OF THE TIMES AUGUST 2017 signs have evolved significantly - especially since the beginning of the current century. In particular, during this period, the advent and proliferation of solid-state lighting systems (e.g. LED lighting) and photovoltaic (solar) power systems have created the need to incorporate corresponding requirements into the NEC. Sign industry organizations and other advocates have collaborated in the code-making process in efforts to more closely reflect the evolving state of the art in electric signs, to facilitate understanding of NEC requirements by sign installers, and to support consistency in interpretations of these requirements by local jurisdictions throughout the nation. In order to help the sign industry better understand the nuances of the NEC's 2017 iteration, the Foundation for the Advancement of the Sign Industry (FASI) contacted David