POLARIZED TYPE; IMPACT MODIFIED NYLON MATERIAL; BLACK/WHITE COLOR; L16-20P CONFIGURATION; 

4 WIRE(S); UL 498, CSA C22.2, NOM 057 APPROVAL; 480 VOLT 3-PHASE VOLTAGE RATING; 20 AMP CURRENT RATING; GROUNDING; 3 POLE(S); IMPACT/CHEMICAL/ABRASION RESISTANT