how to know where plumbing and cords are in wall

Did you know that walls are a lot more than just a way to keep the outside out? Inside those seemingly solid surfaces, there’s a whole world of plumbing and electrical cords hiding out of sight. Knowing where these things are can save you a ton of trouble, especially when you want to hang up a picture or drill a hole. Imagine surprise leaks or zapping your finger on a hidden … [Read more...] about how to know where plumbing and cords are in wall