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West Virginia Office of Miners' Health Safety and Training

Electrical Calculation Workbooks

Last revised:  03/12/12 12:02 PM


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tag saying new  High Voltage Calculations / Evaluations Workbook.  This booklet should be used by mine electricians to assist in selecting the proper protective settings for over current, short circuit, and ground fault protection.  The material is not all-inclusive and should be used only as an aide in gaining compliance with the regulations.  (May 2004)

View and/or download the High Voltage Calculations / Evaluations Workbook

The Electrical Calculations Workbook is published as a joint effort between the West Virginia Office of Miners' Health Safety and Training and the National Mine Health and Safety Academy.  The material should be used by mine electricians to assist in selecting the proper protective settings and cable sizes for electrically-powered motor circuits.  The material is not all-inclusive and should be used only as an aide in gaining compliance with the applicable regulations.  April, 2003 (revised June 2003).

View and/or download The Electrical Calculations Workbook

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