How to split aerial cable for a TV

Written by stephen benham
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How to split aerial cable for a TV
Splitting an aerial cable allows you to send the signal to more than one set. (Stephen Rees/iStock/Getty Images)

Your aerial cable -- also known as coaxial cable -- runs from your aerial to your TV set so you can watch terrestrial TV channels. If you want to watch TV in another room then you need to split your aerial cable. Splitting your aerial cable is moderately easy, but it may reduce the picture quality, unless you have a strong TV signal.

Skill level:
Easy

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Things you need

  • Aerial splitter
  • Coaxial cable
  • 4 coax plugs
  • Small sharp knife
  • Pliers

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Instructions

  1. 1

    Choose the most suitable place in your home to split your aerial cable so you can feed the cable to both TVs. Cut the aerial cable with a sharp knife. Measure and cut the amount of extra cable you require to go from the splitter to the additional TV.

  2. 2

    Strip about 1.25 cm (1/2 inch) of the protective coating from the end of the aerial cable to expose the wire mesh. Push the wire mesh with your fingers up to the plastic coating. The central insulation will now show. Strip 65 mm (1/4 inch) of the insulation to reveal the central core of the cable.

  3. 3

    Remove the cover from your coax plug to reveal the cable clamp and main coax unit. Slide the coax plug cover over the coax cable. Ensure the thread faces the end of the cable.

  4. 4

    Slide the open end of the clamp over the cable until it covers the wire mesh. Squeeze the clamp tightly -- use pliers for a tighter fit.

  5. 5

    Put the exposed central core of the coax cable into the central pin of the coax plug. Ensure the clamp touches the outer rim of the plug and forms a neat fit. Slide the screw cover onto the plug toward the plug.

  6. 6

    Repeat for each end of coax cable. There should be three remaining: two more for the splitter and one to plug into your additional TV.

  7. 7

    Connect the coax plug that comes from your aerial to the bottom leg of the splitter. Plug the other two into the remaining splitter sockets. Plug one coax plug into each TV then switch the TVs on to check the picture.

Tips and warnings

  • Buy an aerial cable splitter and four coax plugs from an electrical shop or online supplier and enough aerial cable to complete the task. Aerial cable splitters are usually in the shape of a Y or a T. You can purchase four-way splitters if you want to add two extra TVs.
  • If your picture quality suffers after splitting your aerial cable consider buying a TV signal booster.

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