The wiring connecting electrical components inside the box should be horizontal, vertical, neat, and aesthetically pleasing. Straight sections of wire should be smooth and straight; the bending radius for curves or corners should be no less than 6 times the outer. Today, we're diving deep into the world of distribution box grounding, breaking down the standards, and shining a light on those sneaky mistakes that even experienced electricians sometimes make. Fix the ground wire firmly with fasteners such as screws, nuts, and washers. It takes the incoming power and safely distributes it to different circuits throughout your building. This position is the connection point of the grounding wire in the. Attach a ground wire from one of the threaded studs (A) at the bottom of the housing, to the mounting plate (B). Depending upon the. How to make proper & safe electrical ground wiring connections in the box: This article describes options for connecting a metal electrical box to the grounding conductor & connecting the grounding conductor to a fixture such as a ceiling light or ceiling fan.