FeaturesCopper bus materialOverhead or underground feed1-phaseGround bar kits priced separately except as notedFor 2/4 and 6/12 circuit loadcenters, use type GBK5 or GBK520 ground barGround bars mount to the left side wall of the enclosure for the 4/8, 6/12 and 8/16 circuit loadcentersSuitable for use as service equipment when a main breaker is used or when not more than six service disconnecting mains are providedInsulated/bondable split neutral type3/4 in pole