Less wiring, clean gutter, fast installation with Plug-On Neutral Compatible with any Square D Homeline circuit breaker Cover and aluminum bus bar included The Square D Homeline 125 Amp 20-Space 40-Circuit Outdoor Convertible Main Lugs Load Center for Plug-on Neutral breakers is UL listed for residential and commercial power distribution. This load center is built with a plated, aluminum bus bar that is tested and listed only for Homeline circuit breakers. Homeline load centers are designed for the value-minded contractors, remodelers, builders and homeowners. Homeline load centers are engineered for fast installation and wire savings. Shop the Square D Homeline Breaker Box Collection Each pole space accepts full-size, tandem or quad breakers Ground and .