Norimitsu Ichikawa*
Electrical installation occasionally becomes the source of electrical accidents. The number of electrical, fatal accidents will exceed 8,000 fatalities by 2040-2050 in Japan. The reason is that electrically related fatal accidents have ranged from 10 to 20 fatalities annually, in recent years. The total number of electrically fatal accidents totaled 482 fatalities in 1961. Overall, electrically fatal accidents can be decreased by improving the operational safety. However, the complete prevention of fatal accidents by electric shock is not easy. The reason is that there are more than 60 million workers for all industries, 15 million of whom are in the construction and manufacturing industries. A new approach toward preventative measures for electrically fatal accidents is required because of such conditions. In this paper, 190 case studies of electrically fatal accidents from 1992 to 1996 are analyzed by the fatality rate. The results indicate that most of electrically fatal accidents occur at companies of fewer than 50 workers in the workplace. Moreover, the electrically fatal accidents of fewer than 30 workers are 65% and those of fewer than 50 workers are 75% of all of the fatal accidents for the period. The goal of this work is to save the valuable lives of workers, similar to those in the case studies, from electrically fatal accidents in the future
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