Why Does a Cable Splitter Burn Out?


A cable splitter is a device that takes an incoming signal and divides it into multiple outgoing signals. Like any device that passes a current, there are multiple things that can wrong or cause it to fail or burn out.

Signal Strength

  • The first thing to check when buying or installing a cable splitter is that it is rated for the incoming signal. If the signal is too strong for the device, it can cause it to fail. Even if it does not fail, the outgoing signals may not be strong enough for the devices to which it is connected.


  • Although they appear strong, cable splitters should be treated carefully. Dropping or banging the splitter or allowing moisture to get inside it can cause the splitter to fail or to operate less efficiently.


  • The cables going into and out of a splitter obviously have an effect on the overall functioning of the system. It is important to use properly rated cable in good condition. In some cases a failure, short or surge in cables connected to it can cause a splitter to fail.

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  • Photo Credit 4 Way Splitter image by Bobby4237 from Fotolia.com
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