It is impossible to establish the truth in criminal proceedings while considering cases related to related to non-compliance with the requirements of the Law of Ukraine with the requirements of the Law of Ukraine "On Labor Protection" without performing forensic examinations regarding the investigation of causal relations and establishing circumstances preceding the accident. As a rule, the research subject in this case is materialized carriers of information about a harmful event that had taken place. Therefore, from a technical point of view establishing the presence of circumstances that preceded and led to adverse effects and their direct connection with the occurrence of these consequences is one of the issues of Forensic Engineering.
 The causation assessment is based on a theoretical research of circumstances of an accident event on the basis of materials provided for research. The use of philosophical and logic means is the basis of forensic research on the causation determination and the establishment of objective truth in legal practice.
 The article reveals contemporary views on the problems of causal relationship between socially dangerous acts and the socially dangerous consequences of these acts in combination with expert practice while research related to electrical injury.
 The completeness and objectivity of the expert's opinion on the results of the studies of accidents related to electrical injury depends on the availability of expertise in the field of electrical engineering and requires the mandatory involvement of a forensic expert in relevant field.