Schneider Electric. Electrical contractors will have an easier time completing residential upgrades with the Square D Service Upgrade Load Center. The unit features four removable end plates that provide multiple feed-through points, making wire easier to feed, and allowing the panel to be positioned in a wall more conveniently. Adding circuits later for new loads simply requires opening one of the four plates to run new wire. The Service Upgrade Load Center is available in 40-space/200A main breaker Square D QO and 30-space Homeline panel designs. 888.778.2733. www.schneider-electric.us.