| ▪ Hinged covers can be installed without tools | 
                | ▪ 1 in through air and 2 in over surface between uninsulated live parts of opposite polarity meets requirements for feeder and branch circuit applications of UL 508A | 
                | ▪ Polycarbonate safety covers provide dead front protection | 
                | ▪ One cover is needed for each pole | 
                | ▪ Each cover has a test probe hole in the center for circuit checking | 
                | ▪ Covers are optional accessories and catalog numbers can be found in the catalog selection tables for each size block | 
                | ▪ 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 without 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 | 
                | ▪ Standard aluminum and copper wire connectors are available | 
                | ▪ Aluminum connectors accept both aluminum or copper wire while copper connectors accept copper wire only | 
                | ▪ Connectors are all 1-piece tin plated | 
                | ▪ Insulators are virtually unbreakable, made of glass-filled polycarbonate | 
                | ▪ See thorough hinged safety covers are optional and provide a greater degree of safety and shock resistance where required |