2502 Terminal Block 30AMP - 2 Circuit. Features: Closed back design completely insulates power from the mounting surface Each screw pair is 1 isolated circuit Jumpers allow creation of common circuit 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.