How do I add a light to a switch with 2 hot wires on switch ?

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    Welcome to Home Improvement. Please edit your post to include clear, focused pictures of the wiring behind the switch in question (turn off power at the breaker, pull the switch out of the box, do NOT disconnect any wiring, get pics of the switch with wiring and the wires leading into the back of the box and the back of the box showing any/all wires/cables in and out of the box).
    – FreeMan
    Jan 14 at 18:14
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    You will have to say a lot more than that. What do you have installed now? What does the switch do now? Where will the new light go? How will the new light be controlled? Jan 14 at 18:45
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    What do you already know about electricity? Have you ever done any home wiring at all? Do you have a voltmeter or multimeter? There are contributors here who can take you all the way from "never picked up a tool before" to "just added a MWBC with two downstream GFCI deadfronts" but it takes a lot of patience and a willingness to keep typing until you have really explained your problem. Jan 14 at 18:53
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    Right now nobody can even figure out what you mean by 2 hot wires on a switch. Jan 14 at 18:55
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    If what you're trying to do is run a new light directly off a switch with no neutral in the switch's box - then answer is: you can't.
    – brhans
    Jan 15 at 0:59

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