Arc Welder

The arc welder is a weapon in the Fallout: New Vegas add-on Lonesome Road.

Background
The arc welder is essentially a electrostatic discharge gun using electron charge packs, capable of shooting a constant, high-voltage stream of lightning. It does bonus damage against robots and power armor.

Locations

 * Hopeville Silo Bunker Entrance, directly across from where you recruit ED-E copy.
 * Divide, carried by marked men