The Electrician is also responsible for drilling equipment, electrical brake, drilling equipment control console, mud pump control console, A.C. motors that drive: Draw-works clutch and brake cooling pump, crane, draw-works drive blower, rotary table drive blower, rig floor hydraulic power unit, bulk air compressor, mud mixer, hopper pump, shale shaker, degasser pump, accumulator unit, desander pump, D.C. motors that drive: Draw-works and Rotary table and top Drive. The Electrician is also responsible for the simple repair and general maintenance of the following areas of the rig: Deck Equipment, Leg depth indicator, A.C. motors that drive; Elevator motor units (jacking), Skidder gear unit (longitude and transvers, Raw water tour gear unit, raw water pump and electric cranes and controls.