This tool is made by modifying the source code of the NeoAxis Editor. Computer simulators are intended to train students in electrotechnical and non-electrotechnical specialties in primary, secondary professional institutions, and colleges. The purpose of using computer simulators is to improve the efficiency and quality of training specialists. The computer simulator "Design of Electric Equipment" contains 3D models of electrical equipment and its components. These 3D models clearly show the appearance, construction, and ways of fastening the elements.