The basic purpose of this study is the possible health problems of the employees who are exposed to time-varying electromagnetic fields. The study consists of the male employees' exposure to the transformer-sourced electromagnetic effect that they work in an electricity distribution company and the determining possible health effects that electromagnetic field creates them. So exposure groups with 60 people that they were exposed to the transformer and a control group with 20 people that they were not exposed to transformer were chosen. The research surveys were applied to nothing of exposure and control group. The results of the survey of the experimental and control groups among the diseases diagnosed, only there is a significant difference in terms of incidence of a migraine. (P<0,05) (X-2=7,951, P=0,004). No significant differences were found between the groups for diabetes, hypertension, kidney disease, lung disease, cancer, allergic disease, infertility and other disease types. (P>0.05).