33 C.F.R. § 183.440 Secondary circuits of ignition systems.
Title 33 - Navigation and Navigable Waters
(a) Each conductor in a secondary circuit of an ignition system must meet SAE Standard J557. (b) The connection of each ignition conductor to a spark plug, coil, or distributor must have a tight fitting cap, boot, or nipple. [CGD 73–217, 42 FR 5944, Jan. 31, 1977, as amended by USCG–1999–5832, 64 FR 34716, June 29, 1999]
Title 33: Navigation and Navigable Waters
PART 183—BOATS AND ASSOCIATED EQUIPMENT
Subpart I—Electrical Systems
Manufacturer Requirements
§ 183.440 Secondary circuits of ignition systems.