14 CFR · Part 25
14 CFR § 25.1715
Electrical bonding and protection against static electricity: EWIS.
(a)
EWIS components used for electrical bonding and protection against static electricity must meet the requirements of § 25.899.
(b)
On airplanes having grounded electrical systems, electrical bonding provided by EWIS components must provide an electrical return path capable of carrying both normal and fault currents without creating a shock hazard or damage to the EWIS components, other airplane system components, or airplane structure.
Regulations Referenced
Reflects the eCFR edition current as of September 29, 2026. Retrieved from ecfr.gov on October 16, 2026.
Primary Source