Square D Homeline combination arc fault and ground fault circuit breaker. Designed to meet NEC (National Electrical Code) requirements. Reduces cost and hassle of using 2 separate devices to provide essential protection. Integrated with time saver diagnostics to provide additional circuit information and minimize troubleshooting at the touch of a button. Compatible with all Homeline load centers. 120 VAC, 10,000 AIR. ANSI (American Nation Standards Institute) certified and UL (Underwriter's Laboratories) listed. Limited lifetime warranty.