46 C.F.R. § 111.05-3 Design, construction, and installation; general.
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(a) An electric apparatus must be designed, constructed, and installed to prevent any person from accidentally contacting energized parts. (b) Exposed, noncurrent-carrying metal parts of fixed equipment that may become energized because of any condition must be grounded. (c) Exposed, noncurrent-carrying metal parts of portable equipment must be grounded through a conductor in the supply cable to the grounding pole in the receptacle. (d) If the installation of the electrical equipment does not ensure a positive ground to the metal hull or equivalent conducting body, the apparatus must be grounded to the hull with a grounding conductor.
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PART 111—ELECTRIC SYSTEMS—GENERAL REQUIREMENTS
Subpart 111.05—Equipment Ground, Ground Detection, and Grounded Systems
§ 111.05-3 Design, construction, and installation; general.
