1011Features: Features watertight cap, easy installation, and twist locks securely with plug Designed to withstand the rigors of wet environments and constant vibration Large contact surfaces for good electrical connection Twist lock system-plug locks securely into socket Internal strain relief and cord seal Nickel plated copper alloy used for all current carrying components Front panel, rear panel, or surface mount 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.