Portable, heavy-duty, 75 KVA step-down power distribution system, constructed of square steel tubing, includes 300 A main breaker with 480 V primary panel, 75 KVA power transformer, and 200 A main breaker for secondary panel. On primary side, operators can bring power in via 4 CAM LOK input male receptacles. On secondary side, 120 V devices can be powered by four 5-20, four L5-30, and four L6-20 receptacles; 208Y devices are powered by two 60 A HBL560RS1W outlets.