Voltec 03-00081 8/2-10/2 40 Amp Right Angle Cord with Ring Terminals, 6-Foot, Black 4 wire cords are required for homes built before 1996 Regulation compliant, the 4-wire cords meet all the 1996 NEC standards for new construction. Our 3 & 4 wire cords come standard with ring connectors, in your choice of plugs rated from 30-50 amps. Right angle plug allows installation closer to wall Strain relief bracket to ensure safe & easy installation