Generator Panel, Height 12-1/2", Width 8-7/8", Depth 3-3/4", NEMA Enclosure Type 1, Number of Circuits 8, Number of Spaces 8, Enclosure Material Steel, Voltage 120/240, Color Gray, Ground Bar Kit Mfr. No. PK7GTA, Max. No. of Tandem Breakers 4, Max. Wire Size 8 AWG, Mount Surface, Phase 1, Standards ULWARNING: California ResidentsThis product can expose you to chemicals including Styrene, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.