There is still time to study for the 2017 NEC PSI Exam! 2020 NEC Great news! Texas Electrical Exams will be based on 2020 NEC as of Nov 1st!   TDLR had intended to adopt the 2020 NEC code as of September 1, 2020. But because of COVID-19, the date has been pushed back.  The 2020 NEC […]