§ 75.703-4. Other methods of protecting offtrack direct-current equipment; approved by an authorized representative of the Secretary.
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/us/cfr/t30/s§ 75.703-4·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
Other methods of maintaining safe voltage by preventing a difference between the frames of offtract direct-current machines and the earth must be approved by an authorized representative of the Secretary.