Marinco 305CRRB 125V 30Amp Locking Receptacle - Black30A 125V Locking Receptacle Product Features: NEMA L5 30R Marinco 3 Wire System Glass reinforced corrosion resistant nylon Accepts up to 8 gauge stranded wire or up to 6 gauge with ring terminals WARNING: This product can expose you to chemicals including di(2 ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings. ca. gov. What is more