Power strip covers These are basically plastic shields that go over the top of the power strip, letting the cords stick through but making the plugs impossible to pull out. Of course, it also makes it impossible for small objects to be stuck into the outlets of the strip, too.Long cord covers can be used to cover cords. However, smaller cord clips are often choking hazards and should not be used. Do not use extension cords. Most baby monitors are relatively safe as long as you respect the other health and safety recommendations. But if you have other devices that are also emitting on electromagnetic frequencies, the radiation limit could exceed the recommended limit as they will be absorbed cumulatively by your child.