Nowadays, issues on professional negligence among professional careers is very common. There are many cases reported on a professional that did not follow the rules and violate the code of ethics. This purpose of this research is to determine what kind of negligence actions will cause procedural accidents. The questionnaires were used as research instruments to measure their opinion on professional negligence. 40 students from SKEE, SKEL, and SKEM program contributed to the questionnaire by giving their opinion. The data and result obtained will be analyzed in terms of graphs, tables, and figures. The results have shown that the majority of student choose to did not do periodic inspections on the equipment because the equipment still functioning well as their option. From the results, the types of negligence actions that will cause procedural accidents were determined.