Unlike the basic metal armor it strongly resembles, this armor is an actual pre-Warmilitary design. Its three Tesla Attraction Coils disperse a large percent of directed attacks. However, since its protection against conventional firearms is comparable to the post-War metal armor, it was not widely employed by the United States military, although some suits made their way to National Guard depots and from there to the wastes.
A novelty suit of armor, since by the time the player reaches the Cathedral, they already have combat armor and power armor available. Its decent protection against Energy Weapons can make it viable against super mutants armed with Energy Weapons, though they are rarely armed with just them.
Cathedral: In the locker in the mutant guards' room at the top level of the tower.
↑ 1.01.1Fallout 2 Official Strategies & Secrets p.66: "Tesla Armor is designed to deflect energy weapons. However, its protection against impact attacks falls far short of what its military designers were looking for. Still, some surplus suits ofTeslaQuoted verbatim, error appeared in the original source Armor found their way into National Guard Armories, and from there to the Wastes. Tesla Armor gives the wearer a 20% bonus to their Radiation Resistance."