Every three years, the National Electrical Code (NEC) is updated, and the industry simultaneously reacts with excitement, complaints, and celebration. This article highlights the changes to conduit and tubing wiring methods recognized by the NEC. While updates to wiring method requirements might not generate as much emotion as changes to ground fault circuit interrupters (GFCIs) and arc fault circuit interrupters (AFCIs), they remain important to understand. Dealing with damaged conduits: Sec.