Square D by Schneider Electric HOM1224M100PRB Homeline 100 Amp 12-Space 24-Circuit Outdoor Main Breaker Load Center (Plug-on Neutral Ready), Includes a fully distributed neutral bar, allowing for the installation of Homeline Plug-on Neutral combination arc fault breakers on any space Each pole space accepts full-size, tandem or quad breakers Ground and neutral bars accept up to (3) #10-14 equipment grounds Includes a rainproof outdoor cover Accommodates plug-on secondary surge arrestor (sold separately)