The methodology for electrical safety system perfection of the manual electric machines is given in the article. The algorithm of diagram sort "tree" development is set forth. The traumatic situation types of the event tree are defined.
manual electric machine, electric safety system, electric trauma, event tree, tree of outcomes, injury-causing situation
1. Yakobs A.I. Razvitie sistemy obespecheniya elektrobezopasnosti v sel'skom hozyaystve // Elektrobezopasnost' v sel'skom hozyaystvennom proizvodstve: sb nauch. tr. - M.: VIESH, 1984. - T. 62. - S. 3-9.
2. Germeyer Yu.B. Vvedenie v istoriyu issledovaniya operaciy. - M.: Nauka, 1971. - 383 s.
3. Ragozin A. Obschie zakonomernosti formirovaniya i kolichestvennaya ocenka prirodnyh riskov na territorii Rossii // Voprosy analiza riska. - 1999. - № 2.- 28 s.