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I tested this with an electrical socket reader and it chimed, so there is some power to it still. I'd like to remove this, the old keypad, a siren, etc.
Besides shutting off the power while doing it and maybe capping the cable ends, what do I need to think about? I'm just trying to make sure I don't burn my house down ๐
Is it fed off a security panel? Kill and remove that first
If it's on a breaker in your main panel, remove it before anything else
Test with an actual voltage meter if possible
If any of this sounds like it might be above your pay grade, an electrician can probably safely demo the whole thing in a couple hours. It shouldn't cost an arm and a leg, maybe a few hundred If you go to a small company like mine (little one-man deal, should be plenty of good ones on Angi that are vetted).
Edit: forgot this was DIY for a second, sorry if this violates any rules. I'm an electrician by trade. To be honest, electrical, plumbing, and hvac should be left to professionals in my opinion. Electricity is an invisible death force that starts fires in your sleep. Don't mess with it if you're not really solid with the work.
Honestly I have no idea where they terminate. The keypad doesn't work. I've tried pressing buttons on it before and nothing happens. I was going to cut and cap the wires, but figured I'd double check ahead of time.
I have other electrical work I need done, so may just lump this into the same work order.
So usually, there's a transformer that cuts mains AC at 110ish volts down to 16ish volts. Then this voltage is used to power things like dumb doorbells and alarm panels.
This is mine that powers my doorbell.
You might have an alarm panel, and I think that because the device you have in the picture looks like an old motion detector, or some model I haven't seen.
You could have a transformer next to your breaker panel like this
If you do, and a white/red/grey/beige square enclosure nearby
You can safely cut or unscrew the wires off the exposed side of the transformer. If you want to be super safe you can turn off that breaker before you do it, but you really just don't want to bridge the contacts that the wires on the transformer are connected to.