Square D EZ Meter-Pak main devices are available as main circuit breakers, main fusible switches, or main lug terminal boxes. EZM main lugs terminal boxesprovide connection points for metering configurations. This main lug terminal box connects three phases in, three phases out with a four wire configuration. It is rated for 208Y/120VAC or 120/240VAC and main rated current of 800A. It is suitable for underground or overhead service feed. This terminal box is suitable for use on line or load side of service equipment using the neutral bonding kit provided. The compartment has four horizontal copper 800A rated busbars. The busbars come with Visi-Tite joint nuts for connections, eliminating the need for torque readings. It is compliant with UL standards and the steel enclosure has a rating of NEMA 3R.