72120MB 72120MB FLGD INLT-N L21-20R. Polarized Type; Nylon Material; White Color; L21-20 Configuration; 5 Wire(S); UL 498, CSA, CE, NOM Approval; 120/208 V Star 3 Phase Voltage Rating; 20 Ampere Current Rating; Grounding; 4 Pole(S); Impact Resistant, Chemical Resistant; TECH-SPEC[R] Brand; With Transparent Terminal Cover and Wiring Pockets