Receptacle 

Glass-reinforced corrosion resistant nylon. Accepts 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.