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Design practices to minimize the probability of shock during control box maintenance.
Underground coal mine power systems. Proceedings: Bureau of Mines Technology Transfer Seminar, Pittsburgh, Pennsylvania, September 16, 1982. Pittsburgh, PA: U.S. Department of the Interior, Bureau of Mines, IC 8893, 1982 Sep; :4-10
The use of dead-front construction and other means of segregating higher-voltage portions of control box circuitry with carefully planned use of test points, an in-place schematic diagram, and indicator lights, are explained in this paper. Sensitive circuitry for personnel protection is discussed. The reception by manufacturers and mine personnel of the ideas as embodied in a demonstrator unit is summarized. Recommendations to improve maintenance safety are listed and discussed.
Mining-industry; Underground-mining; Electrical-hazards; Electrical-safety; Electrical-shock; Electrocutions
IH; Conference/Symposia Proceedings
Underground coal mine power systems. Proceedings: Bureau of Mines Technology Transfer Seminar, Pittsburgh, Pennsylvania, September 16, 1982
Page last reviewed: March 11, 2019
Content source: National Institute for Occupational Safety and Health Education and Information Division