Specification: safety group lockout box lockable by up to 20 safety padlocks or hasps Unit:Piece The group lockout box is designed to lock the keys of huge equipment on the purpose of control of hazardous energy. Each lock point of the huge equipment shall have a single key and have not alike cores to ensure safety. When employees perform any servicing or maintenance activities when the equipment is working, all the keys have to be collected in the safety group lockout box, and each authorized employee locks his own padlock in the box. When the work is finished, only until all the employees unlock and remove their own padlocks from the group lockout box, can the keys be got from the box. The group lockout box is lockable by up to 20 safety padlocks at the same time, it ensure that only when the last employee remove his padlock, can the group lockout box be opened and get the keys.