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I recently removed my Vivint SkyControl panel from my wall, and there's already a wire running from the outlet in my utility room to the dining room. I was hoping to use that wire as a charger for a tablet that stays on the wall to control various smart home devices.

I was hoping to use this cable to change the wires to a USB-C cable, but the tablet is rated to take 9W or 15W, and the security system power supply puts out 30W (yikes! )

The installer had a plug that just took in wires, but I'm having trouble finding a variant of it that puts out less wattage. Does this type of power supply exist for 5V?

IceBotYT
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    "the security system power supply puts out 30W (yikes! )" If it's outputting the right voltage for your load, and its *maximum* power output is 30W, this is not necessarily a problem. – nanofarad May 27 '23 at 01:05
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    `security system power supply puts out 30W (yikes! )` ... the AC power coming into your house can probably supply thousands of watts, how come all of your appliances are not blowing up? – jsotola May 27 '23 at 02:11

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