CFR›Title 33›Chapter I›Part 183›Subpart I ContainsSubject groups General–Manufacturer RequirementsCorpusDaily eCFRDisplayed edition2026-11-02Last updated2026-11-02 Subpart I—Electrical Systems Subject Groups General General Sections 183.401–183.405 Manufacturer Requirements Manufacturer Requirements Sections 183.410–183.460 SourceCGD 73-217, 42 FR 5944, Jan. 31, 1977, unless otherwise noted. Previous H Subpart H—Flotation Requirements for Outboard Boats Rated for Engines of 2 Horsepower or Less Next J Subpart J—Fuel Systems