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How to Connect Two Coaxial Video Cables Together to Extend the Cable Length

by Kirk Bennet
Ryan McVay/Photodisc/Getty Images

If you need to connect a coaxial video cable to a device and the cable isn't long enough, you can use a second coaxial cable to extend the length. Using two shorter cables to create a longer one is cheaper than buying a longer cable; plus, the cable you'd purchase would likely be shorter than the cable made from two shorter lengths. The two cables can be connected quickly and easily using a coaxial coupler.

Step 1

Purchase a coaxial coupler (see suggestions in the Resources section).

Step 2

Connect the first coaxial video cable to one end of the coaxial coupler.

Connect the second coaxial video cable to the other end of the coaxial coupler.

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