053-4 Wyo. Code R. § 75.703-2
Current through April 27, 2019
For purposes of grounding off track direct-current machines, the following grounding mediums are approved:
(a) The grounded polarity of the direct-current power system feeding such machines; or,
(b) The alternating current grounding medium where such machines are fed by an ungrounded direct-current power system originating in a portable rectifier receiving its power from a section power center. However, when such a medium is used, a separate grounding conductor must be employed.
053-4 Wyo. Code R. § 75.703-2