Once all the cable sheathing has been stripped, you can loosely group like-wire groups—grounds, neutrals, and hots—in advance of terminating them (attaching wires to lugs) inside the panel. As is customary in all phases of house wiring, terminate the ground wires first. Labeling cables at outlets is important so that when it comes time to attach wires to devices, you'll always know. Selecting a distribution box: number of groups and expansion options. It neatly distributes the current over different circuits, so that your devices can operate smoothly. We'll chat about what each one does, where it shines, and then dive into how to choose the perfect box for your needs. Safety is the top priority when. Distribution boxes, or electrical junction boxes as they are sometimes called, play a vital role in electrical systems.
[PDF Version]