Rang cord:  3pole 3 wire rang cord 10-50 flat cord 50A 125V/250V

SRDT  8/3  6/3  8/2+10/1   6/2+8/1

           3pole 4 wire rang cord 14-50 round cord 50A 125V/250V  SRDT  DRT 8/4  6/4 8/2+10/2 6/2+8/2

Dryer cord: 3pole 3 wire dryer cord 10-50 flat cord 50A 125V/250V

SRDT  8/3  6/3  8/2+10/1   6/2+8/1

            3pole 4 wire dryer cord 14-50 round cord 50A 125V/250V  SRDT  DRT 8/4  6/4 8/2+10/2 6/2+8/2

 we also have  nema: 6-50P  14-50P  6-30P  15-50P