FAA AMT (Aviation Maintenance Technician) Airframe Practice Exam 2026 - Free AMT Airframe Practice Questions and Study Guide

During the removal or installation of discharge cartridges in aircraft fire extinguishing systems, the safety procedure that should be followed is to ground or short the terminals of the discharge cartridges. This is important because discharge cartridges can contain electrically charged components that can pose a danger if touched directly. By grounding or shorting the terminals, any electrical charge is safely dissipated. The other options are not recommended because

B: Discharging cartridges in water can cause the release of toxic chemicals and damage the environment.

C: While it is generally recommended to wear insulating gloves when working with electrical equipment, this alone may not be enough to prevent electric shock.

D: Keeping cartridges in a heated enclosure can cause the temperature and pressure to increase, which could potentially lead to an explosion. Therefore, the safest and most appropriate option is to ground or short the terminals of discharge cartridges.