Dockside 30A to 15A Adapter with GFI. Provides safer hook-up to 30A dockside power. Provides protection against harmful electric shock. Reduces the possibility of fire. Offers protection for up to 3 attached tools. Corrosion resistant and rain-proof rated for outdoor use. GFI trip level of 4-6 mA. 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.