These 16 AWG powder coated steel building entrance terminals feature an industry standard 110-Style Connector for both input and output terminals. Connectors can accept up to 22 AWG line terminations. Also included are multiple external and internal ground lugs. Stackable to allow for future expansion. Equipped with internal fuse link. UL497 Approval is standard on all terminals. Accommodates industry standard 5 Pin Protection Modules. 5 Pin Modules Sold Seperatly. Loaded Units Available.