The hole will be addressed when the box gets entirely replaced (which is urgently soon). The dangling cable has already been brought up and will also be corrected, among other things.Oh in some of your other pictures you have a hole in a box that's not in use. There should be a plug for all holes not in use. They actually sell them at home depot. You don't want critters like mice getting into an electrical box.... That's why it's good to have an electrician look at your whole system, should also fix that dangling bx cable in the picture.