GE PowerMark Gold 200-Amp 20-Spaces 40-Circuit Outdoor Main Breaker Load Center (Value Pack)The GE 200 Amp 20 space 40 circuit main breaker outdoor contractor kit is pre packaged with a selection of circuit breakers. The UL Listed panel has holes rated 100% split neutral on each side that are compatible with #14 4 wire. The breaker box is a single phase, 3 wire unit with a factory installed main breaker. The panel is designed and built for faster installation and a more dependable performance. This unit is compatible with dual functions,