In this video we learn how to use an electric tester to test wires. You will first need to purchase a voltage tester that runs on double a batteries. When you press it the end will turn green and you are ready to use it. Test it out by pushing it into a plug you know works and see if it turns red and starts to beep. If you own a home or are renovating this can help you out a lot if you don't have switches around. You can place the tester on a wire to find out if it's on and then become safer than if you didn't have it.
Apple's iOS 26 and iPadOS 26 updates are packed with new features, and you can try them before almost everyone else. First, check Gadget Hacks' list of supported iPhone and iPad models, then follow the step-by-step guide to install the iOS/iPadOS 26 beta — no paid developer account required.
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