The Square D by Schneider Electric Homeline 200 Amp 30-Space 42-Circuit Outdoor Solar-Ready Combination Meter Socket and Main Breaker Load Center for Plug-on Neutral breakers is UL listed for residential and commercial power distribution. This combination service entrance device (CSED) is built with a plated, aluminum bus bar that is tested and is compatible with Square D Homeline circuit breakers, including Plug-on Neutral. Homeline CSEDs are designed for the value-minded contractors, remodelers, builders and homeowners. Square D Homeline CSEDs are engineered for fast installation and wire savings.