2017 NEC Changes: Conductors and Wiring Methods
By the end of this course you will be able to: Understand the changes for conductor ampacity in Article 310 Describe the listing requirements for cable wiring methods and the new support rules Explain the new allowances for tray cable Describe the permitted uses for EMT Explain the rules for trimming liquid type flexible metal conduit Understand the requirements for parallel conductors in metal wireways Know the changes for cable tray fill