TLM4020CCU MLM4020CCU LOAD CENTER 200 Amp 40-Space 40-Circuit Indoor Main Lug Circuit Breaker PanelUse as a main lug load center or convert to a main breaker Galvanized box for rust resistance with a self-adjusting dead-front cover Copper buss for increased conduction Full-length neutral bars for faster and easier wiring 100% split neutral holes on each side are rated for #14-4 wire Top or bottom feed 240 VAC and 22,000 AIC rating