Square D Homeline 15 Amp 1-pole Plug-On-Neutral Combination Arc Fault Circuit Interrupters (CAFCI/CAFI) helps keep people and property safe from the effects of dangerous arcing. These arcs typically occur out of sight, inside walls or electrical devices, day or night. Designed for reliability, the Homeline Plug-on Neutral CAFI Circuit Breaker connects directly to the neutral bar, providing a time and labor-saving installation. Several advantages from the Plug-on Neutral design are fewer connections which lead to faster installation and an innovative neutral clip eliminates pigtails which in turn frees gutter space. This breaker is only compatible with Square D's Homeline Plug-On Neutral electrical panels with available space for a 1-pole breaker. A total of 12 spaces required for entire offering. The Square D CAFI circuit breaker uses a state-of-the-art Arc Detection Technology to continuously monitor the circuit and quickly turn-off the power (trip) when a dangerous condition is detected. Best of all, this technology is combined with Square Ds robust and reliable short circuit/overload protection systems in a small, compact package. Engineered for Value and built for Quality, the market leading Square D brand Homeline Combination Arc Fault Circuit Interrupter combine time-tested performance with state-of-the-art technology to provide 1 of the safest circuit breakers available today. This breaker is also designed for residential and commercial uses.