[Code of Federal Regulations] [Title 33, Volume 2] [Revised as of July 1, 2001] From the U.S. Government Printing Office via GPO Access [CITE: 33CFR183.435] [Page 776] TITLE 33--NAVIGATION AND NAVIGABLE WATERS CHAPTER I--COAST GUARD, DEPARTMENT OF TRANSPORTATION (CONTINUED) PART 183--BOATS AND ASSOCIATED EQUIPMENT--Table of Contents Subpart I--Electrical Systems Sec. 183.435 Conductors in circuits of 50 volts or more. (a) Each conductor in a circuit that has a nominal voltage of 50 volts or more must be: (1) A conductor that has insulation listed and classified moisture resistant and flame retardant in Article 310, NFPA No. 70, National Electric Code; (2) A flexible cord type SO, STO, ST, SJO, SJT, or SJTO listed in Article 400, NFPA No. 70, National Electric Code; (3) A conductor that meets IEEE Standard 45. (4) A conductor that meets UL Standard 1426. (b) Where the nominal circuit voltage of each of three or more current carrying conductors in a duct, bundle, or cable is 50 volts or more, the amperages of each of those conductors must not exceed the value in table 5 multiplied by the correction factor in note 2 to Table 5 for the number of conductors that carry 50 volts or more. (c) This section does not apply to communication systems; electronic navigation equipment; resistance conductors that control circuit amperage; conductors in secondary circuits of ignition systems; and pigtails of less than seven inches of exposed length. [CGD 73-217, 42 FR 5944, Jan. 31, 1977; 42 FR 24739, May 16, 1977, as amended by CGD 80-047 and CGD 80-046, 45 FR 85450, Dec. 29, 1980; CGD 87-009, 53 FR 36972, Sept. 23, 1988]