This box is used at events where portable trailers need to be powered, such as golf tournaments, autoraces, or fairs. The feed-thru allows multiple boxes set up over a wide area. 200 Amp, 3 Phase, 4 Pole, 5 Wire, 120/208Y VAC, Power Station Enclosure, (1) set of (5) 16 Series Cam-type color-coded panel mount inlets to (21) NEMA TT-30, 30 Amp straight blade RV receptacles, feed thru, NEMA 3R Weather Resistant.