How do I install a light switch to control an electrical outlet?

I went to home depot today and bought a plug and a switch and some wiring the home depot guy recomeneded. I have a projector mounted on my celing and I want to wire a plug up there and have a light switch to turn it on and off. I'm tired of running wires down my wall. Oh and if you also know how to run video... show more I went to home depot today and bought a plug and a switch and some wiring the home depot guy recomeneded. I have a projector mounted on my celing and I want to wire a plug up there and have a light switch to turn it on and off. I'm tired of running wires down my wall. Oh and if you also know how to run video wires ( the red white an yellow ones) down throught the wall that would help too.
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