| Title |
Research on Investigation on the Spot in Relation to Electrical Safety of Electrical Installation in Elementary·Middle·High School |
| Authors |
Hyeong-Joon KIl ; Chung-Seog Choi ; Ki-Yeon Lee ; Hyun-Wook Moon |
| Keywords |
Elementary·middle·high school ; Electrical safety ; Investigation ; Risk factor |
| Abstract |
This paper describes the investigation on the spot in relation to electrical safety of electrical installation in elementary·middle·high school. The investigation was carried out for power receiving system, classroom, chemistry room, music hall and so on. The investigation on the spot was performed by researcher, the related expert, engineer with over fifteen years of industry experience all over the country. As a result of investigation on the spot to 41 schools, common grounding methods at power receiving system were dominant The risk factors include absence of control box of electric fan, non-installation of earth leakage circuit breaker to power source of experiment stand, use of non-grounding outlet. |