Code of Federal Regulations

Title 14 - Aeronautics and Space
Volume: 1Date: 2023-01-01Original Date: 2023-01-01Title: Section 25.1355 - Distribution system.Context: Title 14 - Aeronautics and Space. CHAPTER I - FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION. SUBCHAPTER C - AIRCRAFT. PART 25 - AIRWORTHINESS STANDARDS: TRANSPORT CATEGORY AIRPLANES. Subpart F - Equipment. - Electrical Systems and Equipment.
ยงโ€‰25.1355 Distribution system. (a) The distribution system includes the distribution busses, their associated feeders, and each control and protective device. (b) [Reserved] (c) If two independent sources of electrical power for particular equipment or systems are required by this chapter, in the event of the failure of one power source for such equipment or system, another power source (including its separate feeder) must be automatically provided or be manually selectable to maintain equipment or system operation. [Doc. No. 5066, 29 FR 18291, Dec. 24, 1964, as amended by Amdt. 25โ€“23, 35 FR 5679, Apr. 8, 1970; Amdt. 25โ€“38, 41 FR 55468, Dec. 20, 1976]