Prepare the Cables Remove the outer layer of sheathing on the black or crimson NM cable by slitting the jacket using a cable ripper, and trimming absent the sheathing and paper insulation by using a utility knife or wire cutters. In case the cord fails any of these exams, double-Examine https://erickqaiov.sharebyblog.com/29255248/electrical-wall-plug-types-for-dummies