6/3 & 8/1 SEOW, 50 Ft. SEOOW Power Distribution Extension Cord. 50A California-Style CS63 Twist-Lock Plug and Connector. For use in disaster recovery, restoration, renovation or maintenance projects requiring temporary, portable power. Ideal to run to 50A X-Treme box. Custom-blended jacket material for superior flexibility and chemical & abrasion resistance. Extra Hard Usage cord rating per the National Electrical Code. This product contains chemicals, including lead, known to the State of California to cause cancer and birth defects or other reproductive harm. -