The Square D Homeline 100 Amp 12-Space 24-Circuit Outdoor Convertible Main Breaker 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.Brand Name: Square D Sub Brand: HomeLine Amps: 100 amps Volts: 120/240 V Number of Spaces: 12 space Maximum Number of Circuits: 24 circuits Mounting Type: Combination Mount Product Type: Main Breaker Load Center Depth: 14.8 in. UL Listed: Yes Packaging Type: Boxed Breakers Included: No Circuit Protection Type: Single Pole Height: 18.9 in. Width: 18.9 in. Indoor or Outdoor: Outdoor