Square D 15-Terminal QO & Homeline Ground Bar Kit is designed to work seamlessly with Square D load centers, CSED devices, and NQOD and NF panel boards, ing a reliable and convenient solution for grounding connections in electrical systems. This ground bar kit features 15 terminals that accommodate a wide range of wire sizes, including 4 to #4 copper wire, 2 to #4 aluminum wire, 4 to 2 copper wire, and 2 to 0 aluminum wire, making it highly versatile for various wiring needs. It plays a crucial role in ensuring proper grounding and enhancing safety in electrical installations, providing peace of mind for both professionals and DIY enthusiasts. Model Number: PK15GTACP