14 CFR · Part 29
14 CFR § 29.1359
Electrical system fire and smoke protection.
(a)
Components of the electrical system must meet the applicable fire and smoke protection provisions of §§ 29.831 and 29.863.
(b)
Electrical cables, terminals, and equipment, in designated fire zones, and that are used in emergency procedures, must be at least fire resistant.
(c)
Insulation on electrical wire and cable installed in the rotorcraft must be self-extinguishing when tested in accordance with Appendix F, Part I(a)(3), of part 25 of this chapter.
Regulations Referenced
Reflects the eCFR edition current as of September 29, 2026. Retrieved from ecfr.gov on October 16, 2026.
Primary Source