Most people fail to realize that the cable signal that runs through their home is not an unlimited source and therefore cannot be split into too many different lines as each split weakens the signal and increases chances of connection failure. If y. Most people fail to realize that the cable signal that runs through their home is not an unlimited source and therefore cannot be split into too many different lines as each split weakens the signal and increases chances of connection failure. If you have more than three TVs hooked up to one cable line and you notice that the signal has been signif. Coaxial cable linesare produced to provide only one signal to power a singular audiovisual device. This can be an issue in most households where there is more than one device that needs a signal. Coaxial splitters are small connector devices designed with an input line to provide a connection to your existing cable and multiple output lines that ta. In order to save cash, many households decide to split their coax cable line to provide both TV and Internet service. Although this is a fundamentally sound idea, the problem with this method is that cable internet requires a strong signal in order to function correctly, and because the signal is being split, there may not be enough power to sustai. When choosing a splitterfor your home entertainment needs, select the number of output lines you will need for your splitter carefully. Splitters are designed to distribute the signal evenly between each of its connection ports, regardless of how many lines are actually being utilized at any given time. Choose only the amount of output lines you wi. What are the symptoms of a bad coax splitter?When your coax splitter is going bad, you will notice a problem with the video signal. This could include static, signal loss, or distortions to the image.What is the most common coaxial cable fault?The most common reason coaxial cables fail to work properly is physical damage. These cables are actually very sensitive and can be damaged by bending, impact, or improper handling.Can a splitter go bad?Coax splitters can stop working over time.