For reliable performance, use this GE PowerMark Gold 100 Amp 16-Space 32-Circuit Meter Socket Load Center for both overhead and underground-fed buildings. The center has a 22,000 AIC rating and will accept GE's exclusive 1/2 in. THQP breaker as well as AFCI, GFCI and standard breakers. It has a UL listing as well as ANSI certification.