The SLP-233 is a 2U high 19" rack mount 220 Volt 30 amp single phase power distribution bar. This model has a NEMA L15-30 for a Main Inlet connector. There are four 20 Amp circuit breakers on the front panel. All four of these circuits are available on the top of the box and parallel connected two t-slot duplex receptacles on the bottom of the box for a total of four circuits accessible on both top and bottom of the box. The rear panel has no outlets but a convenient label is provided for easy identification when viewing the rear panel. Two of the four independent circuit breakers distribute power, one from each phase of the inlet connector to each half of the split T-slot duplex convenience outlet on the front panel.