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Title: | The object of earth leakage protection for mines |
Other Titles: | Safety Bulletin No 11 |
Authors: | R. F. Doyle Department of Mines |
Keywords: | Mine safety;Disaster reporting mines |
Issue Date: | 1958 |
Series/Report no.: | Safety Bulletin |
Abstract: | In the course of a recent series of electrical inspections, it has become increasingly obvious that while the managements of many mines have, without hesitation, complied with the Departmental requirements regard ing the provision of earth leakage protection, the main object of the requirement is not fully understood. On several occasions the Department has been asked how it justifies the introduction of earth leakage protection as a safety measure, with an allowable fault current trip value in the order of 3 per cent, which, on a circuit carrying a full load of 200 amperes, would amount to 6 amperes. |
URI: | https://nswdpe.intersearch.com.au/nswdpejspui/handle/1/1258 |
Appears in Collections: | Department of Mines [II] [1908-1978] |
Files in This Item:
File | Description | Size | Format | |
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Safety Bulletin No 11 the Object of Earth Leakage Protection for Mines.pdf | Safety Bulletin No 11 the Object of Earth Leakage Protection for Mines.pdf | 1.6 MB | Adobe PDF | View/Open |
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