A cable cutter for attachment to a power drill has a housing, first and second cutting blades and a drive assembly releasably engageable with the chuck of the drill. The drive assembly includes a worm mounted on a drive and a worm gear and a drive gear mounted on a main shaft. The worm and worm gear are in engagement, as are the drive gear and one of the cutting blades. The housing includes a main plate and an end cap secured to the main plate, with the end cap receiving the drive gear and defining a cut away portion adjacent to the stationary blade to allow the movable blade to pass through the cut away portion for direct engagement with the drive gear. The end cap defines a counterbore facing the main plate, with the counterbore receiving a bearing supporting one of the ends of the main shaft.