| - Adder Poles: All sizes have optional adder poles for increased flexibility and ease-of-use. Adder poles can be stacked to form multi-pole units in the field witho ut the use of tools. Adder poles allow for customization of primary and secondary wire combinations. End barriers are also available for sale, catalog numbers can be found in the catalog number selection tables for each size block - Wire Connectors: Standard aluminum and copper wire connectors are available. Aluminum connectors accept both AL or CU wire while copper connectors accept CU wire only. Connectors are all 1-piece tin-plated - Insulators: Insulators are virtually unbreakable, made of glass-filled polycarbonate. ÔSeethrough, hinged safety covers are optional and provide a greater degree of safety and shock resistance where required. Hinged covers can be installed without tools - Spa |
