T.V, Satellite, and phono wall plate connection Ask questions and find answers to many subjects relating to electrics and electrical work

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I have just purchased a combined wall plate for tv, sat and 4 speakers.
There is a screw thread for the sat but I'm a bit baffled as to how to connect the coax cable to the inside of the wall plate. As far as the speakers go there are spade type connections for solder anyone help!

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The wall plate has just a hole for the coax,which I'm guessing is for the copper cable to slot into but how does it stay together? as there are no screw fittings like you find behind a basic tv wallplate