ARMY ELECTRICAL EXPLOSIVES SAFETY
(AMMO-28) QUESTIONS AND ANSWERS
2025
Which two publications provide detailed information on lightning protection systems? - DA PAM 385-64
NFPA 780
Which statements about lightning protection are true?Select all that apply. - Lightning can detonate
munitions and explosives.
Lightning seeks the path of least resistance to ground.
Lightning cannot be stopped or prevented.
Which statement is true about a mast LPS? - Each mast must have two paths to ground.
A 30-foot tall building is protected by a catenary system. How far from the building should the masts be
placed? - at least 6 feet
Which LPS uses air terminals and conductors mounted directly to the structure? - Integral
Why does the wooden mast have an air terminal on top and two down conductors running its entire
length? - The wooden mast is not electrically conductive
Which of the following is NOT a requirement for air terminals? - Air Terminals must be at least 6 feet
tall.
During the inspection, John's team logged a discrepancy for this air terminal. Why? - The air terminal is
not attached to a conductor.
