What causes the most household accidents? July 5, 2020 by Pamela Landy The Consumer Product Safety Commission reports that the five most dangerous sources are: stairs, glass doors, cutlery, glass bottles and jars, and home power tools. Related Answers What is glass made of? What is the most despised household chore? What causes a death rattle? What causes balding? What causes hail? What causes Legionnaires’ disease?