Without grounding, anyone touching it becomes the path to earth—and gets shocked (or worse). 148 doesn't play favorites: The code mandates that all metallic parts of electrical boxes must bond to ground—no exceptions for cabinet doors. Bottom line: That door is part. Power from factory ground must be installed by a qualified electrician. Each DISTRIBUTION BOX and controller must be grounded. Grounding of the units: Attach a ground wire from one of. This subpart contains requirements for the grounding of electric systems, circuits, and equipment. In factories, construction sites, and even commercial buildings, this question pops up all the time. For commercial and industrial systems, the types of power sources generally fall into four broad categories: Utility Service: The system grounding is usually determined by the secondary winding configuration of the. , Rack & Cabinet Ground Bonding Solutions for Telecommunications Equ ng is the most important factor in reliable network equipment performance.
