Grounding through the splitter is not recomended as a lightning strike or sytem power surge can essentially melt the components of a splitter together and allow the surge to hit your devices. <BR><BR>Not having a ground will NOT cause any damage to your devices unless you get a surge. Cable splitters are devices used to divide a single incoming cable signal into multiple outgoing signals, allowing you to connect several devices such as TVs, computers, and telecommunication equipment to the same source. Other splitters will just have you wrap the. Is it ok to just unscrew the ground, replace the splitter, and put the ground back in the new one? Do I need to turn off my houses power first or anything like that? Also, at my college house I did the same thing (have been so lucky that both my room at home and at college get terrible WiFi so I. Optical cable grounding is an important measure to protect optical cables and their connected equipment from lightning strikes, electrostatic discharge and electromagnetic interference. Proper grounding methods can significantly improve the stability and safety of fiber optic cable systems. Here. I'm replacing the splitter on the outside of my house, the current one is attached to a mounting bracket, and there's a wire running from the mounting bracket to the outside of my meter box (actually, it;s just resting against the top metal part of the box) The splitter I'm putting on doesn't fit. How to install the splitter distribution box is the important information we need to know. This article includes the following: 1. Box installation and fixed splitter distribution box 4.