Splitter trough are designed for 600 V service. They are made from 14 or 16 gauge steel. They have mounting holes in the back, knockouts, bracket hinges and a provision for padlocking. The phenolic insulated splitter blocks are factory installed. Lugs have removable tops which allow wires to be easily laid-in place. Enclosures are finished with heat fused polyester powder, electrostatically applied on a pre-treated base. Box is ANSI/ASA 61 grey.