Separates 200 Amp, 3 Phase circuits into (10) L21-20, 20 Amp receptacles. The locking mechanism helps prevent arcing. The 20 Amp circuits are used to power fans, pumps, lights, light portable tools and NEMA 5-20, 20 Amp Edison quad stringers. 200 Amp, 3 Phase, 4 Pole, 5 Wire, 120/208Y VAC, Hammerhead Enclosure, (1) set of (5) 16 Series Cam-type color-coded panel mount inlets to (10) NEMA L21-20, 20 Amp locking receptacles, NEMA 3R Weather Resistant.