Mining Laws of Ohio, 1921 by Anonymous
page 50 of 157 (31%)
page 50 of 157 (31%)
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[=Connection of negative wires, pipe lines and track. Bonding of track.=] The bonded track, the negative wires and metallic pipe lines, when coming near each other, may be connected together at intervals not exceeding five hundred feet, and any track used as the return or earth system shall be properly bonded. In no case shall a pipe line, or any part thereof, be used exclusively as the return, and when connected to the earth system, the negative wire or bonded track shall be of ample capacity, exclusive of the pipe line, to carry the current. [=Trolley wires; how erected.=] The trolley wire shall be carried upon hangers or other fixtures which will properly insulate it from contact with the roof or other substances, and so the trolley wheel can trail without the necessity of being constantly attended for that purpose, and no trolley shall be run on any wire not so carried. [=Locomotive must not be operated improperly.=] No locomotive shall be operated by means of a person holding and sliding upon or frequently making contact with the positive wire with any device attached to the cable as a substitute for a trolley, but these provisions shall not prohibit the operation of a locomotive by means of a cable without the use of the trolley, provided the cable be connected to and disconnected from the positive wire when the locomotive is not in motion. |
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