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Intermittent duty rating of trailing cables.

Authors
Conroy-GJ; Hill-HW
Source
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; :74-81
NIOSHTIC No.
10001214
Abstract
Federal Bureau of Mines sponsored research conducted at Penn State University and West Virginia University has resulted in recommendations to the Mine Safety and Health Administration (MSHA) concerning the maximum current ratings for trailing cables used at various duty cycles. If approved, the ratings would permit smaller size cables than those presently required by 30 CFR 18, yet would provide equivalent safety when protected by circuit breakers which include overload trip capabilities. Computer and calculator programs for calculating allowable ampacity (current capacity) are presented.
Keywords
Underground-mining; Electrical-equipment; Electrical-hazards; Electrical-safety; Electrical-systems
Publication Date
19820901
Document Type
Conference/Symposia Proceedings
Fiscal Year
1982
NTIS Accession No.
NTIS Price
NIOSH Division
PRC
Source Name
Underground coal mine power systems. Proceedings: Bureau of Mines Technology Transfer Seminar, Pittsburgh, Pennsylvania, September 16, 1982
State
PA
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