Answer :
Final answer:
Flashlights used in an aircraft fuel system repair area must comply with NFPA standards, particularly NFPA 70, to ensure they are safe for use in potentially explosive environments.
So, the Correct answer is option a) NFPA.
Explanation:
Flashlights used inside an aircraft fuel system repair area must conform to the standards set by the National Fire Protection Association (NFPA). The NFPA creates codes and standards for electrical systems and equipment to ensure fire and explosion safety. Specifically, NFPA 70, also known as the National Electrical Code (NEC), outlines the requirements for electrical devices in hazardous locations, which would include an aircraft fuel system repair area.
In these areas, it is critical to use equipment that is properly certified to prevent ignition of flammable vapors. Hence, the flashlights should be explosion-proof or intrinsically safe, meeting the specific classifications detailed in NFPA 70. Following these safety standards helps to protect workers and the facility from potential hazards associated with fuel system repair.