DIY projects can be fun and even rewarding, but they can also be a complete nightmare. That’s why you need to have the right tools to make sure your project doesn’t go wrong. Ethernet cables (which are usually CAT 5e, CAT 6, or CAT 6a) don’t have a lot of voltage, but they also shouldn’t be attached to anything that can push a lot of current. So, working with these kinds of cables isn’t dangerous if they’re used as intended. But no matter what kind of tools you use, you should take certain precautions while you’re working around the AC power lines throughout your home or putting holes inside parts of its structure.