Plug-on neutral dual function circuit breaker. Engineered to meet NEC (National Electrical Code) requirements. Combines two critical technologies - combination arc fault protection and ground fault protection in one easy to install device. Reduces cost and eliminates the hassle of using two separate devices to provide essential protection. Integrated with time saver diagnostics, a unique feature that provides additional circuit information and minimizes troubleshooting at the touch of a button. Compatible with all plug on neutral Homeline load centers only. 120 VAC, 10,000 AIR. ANSI (American Nation Standards Institute) certified and UL (Underwriter's Laboratories) listed. Limited lifetime warranty.