A housing of a switchgear includes: a framework formed by joining vertical frames to depth directional frames and width directional frames, the vertical frames being arranged in a standing condition at four corners of a cuboid shape; at least a left and right pair of intermediate vertical frames each provided at an intermediate portion in the depth direction; and steel partition plates fixed over the whole in the vertical direction of the intermediate vertical frames, the partition plates being provided for separating the front and the back of the intermediate vertical frames. Then, the depth directional frame on the floor side is formed with a fixing hole near a lower portion of the intermediate vertical frame, the fixing hole being provided for fixing the housing to a foundation surface.