Check the electrical load and ensure that the sensors do not exceed the 10 Amp maximum. Check the tightness of electrical connections along the power. The distribution box provides an interface between Gilbarco consoles with two-wire current loop (TWI) interface and dispensing units or G-SITE® controllers with RS-422 interface and dispensing units, CRIND®s, or G-CATTM s. This distribution box works with all Gilbarco electronic fuel dispensing. A distribution box is the heart of any electrical system. Whether in a home or an industrial facility, this box keeps your electrical setup organized, functional, and efficient. The jumpers may also be screw-terminal or spring-loaded.