053-5 Wyo. Code R. §§ 77.701-2 - Approved methods of grounding metallic frames, casings, and other enclosures of electric equipment receiving power from a direct-current power system
(a) The following methods of grounding
metallic frames, casings, and other enclosures of electric equipment receiving
power from a direct-current power system with one polarity grounded will be
approved:
(1) A solid connection to the
grounded power conductor of the system; and,
(2) Any other method, approved by an
authorized representative of the Secretary, which insures that there is no
difference in potential between such metal enclosures and the earth.
(b) A method of grounding of
metallic frames, casings, and other enclosures of electric equipment receiving
power from a direct-current power system other than a system with one polarity
grounded, will be approved by an authorized representative of the Secretary if
the method insures that there is no difference in potential between such
frames, casings, and other enclosures, and the earth.
Notes
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