Results 1 - 4 of 4
1/1/2007 - Conference papersNFPA 70E is a generally accepted industry guideline document and can be applied to mining workplaces after an analysis of the mine power system electrical arcing hazards has been completed (and Hazard/Risk Categories determined).
9/1/2001 - Conference papersA report on research to develop a device that alerts workers when a power line has been contacted by equipment. The approach being investigated is based on measuring electric current flow to ground through a machine during a line contact.
2/1/1997 - Conference papersNIOSH has conducted research to improve electrical fault detection on coal mine direct current (dc) trolley systems. Tests were conducted at cooperating mines to assist in developing a neural-network-based detection algorithm for distinguishing between ...
10/1/1978 - Conference papersElectric shocks are a serious problem in the mining environment. Electrical accidents, resulting in personal injury, due to improper or complete lack of grounding of electrically operated mining machines, form a significant percentage of the overall ele...