Square D Homeline Indoor Main Lug Load Center Homeline, main lugs only. Can be used when spaces for more circuits are needed, as a secondary or add on load center connected to the main disconnect load center. Single-phase, 3-wire. Cover included, ground bar kits must be ordered separately. Accepts only Homeline circuit breakers. Ideal for residential and commercial power distribution. Built with plated, aluminum bus bar that is tested and listed only for Homeline circuit breakers. Engineered for fast installation and wire savings. For indoor use. Series Homeline, Amperage 100A, Number Of Spaces 6 Spaces, Max Number of Circuits 12 Circuits, Voltage 120V/240V, Enclosure Type Indoor, Mount Type Flush, Phase Single, Wire Size 8 #1 AWG Copper, Aluminum , UL Listed Yes, Pkg Qty 1, Package Type Box WARNING This product can expose you to chemicals including lead which is known to the State of California to cause cancer and which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65W