Wire Dockside Receptacle. 50Amp 125/250V. 3 Pole, 4-Wire Dockside Receptacle Black, glass filled nylon body and face provide excellent resistance in harsh environments Corrosion resistant, marine grade construction 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.