Eaton's Type Br Loadcenters (also Known As A Breaker Box) Include A One-piece Aluminum Or Copper Bus. This Absence Of Bolted Connections Virtually Eliminates The Chance Of Hot Spots Or Faults, Ensuring A Longer Product Life. Our Standard 14-3/8 In. Wide Enclosures Fit Snugly Between Wall Studs. A Variety Of Knockouts Allows For More Wiring Configurations, While Pre Drilled Mounting Holes Provide Easy Installation Of Additional Ground Bars, If Desired. Type Br Loadcenters Havea 10-year Warranty And Accept Type Br (1 In.) Breakers.