- Active. This Preprint provides the full text of each change proposal (CP) to revise the 2017 Edition of the National Electrical Safety Code (NESC) together with the initial recommendation of the subcommittee that has jurisdiction of the rule addressed by the CP. The purpose of the NESC 2022 Preprint is to solicit public comment for each of the CPs and initial Subcommittee actions. The public comment period is 1 July 2019 to 1 March 2020. Subcommittees will consider the original change proposal, the initial recommendations, and public comment to develop final recommendations in the Fall of 2020, for final approval by the NESC Main Committee in 2021.