Modular design-simplifies stocking, combines any number of blocks with multiple conductor ranges into the specific configuration required for the jobEasy to assemble unique locking feature allows individual blocks to be combined quickly without special toolsElectro tin plated provides low contact resistanceLexan insulating base - provides a high degree of impact resistance with superior insulating qualitiesManufactured from high strength 6061-T6 aluminum alloy - suitable for use with either copper or aluminum conductorsPDA are added to PDC to obtain a multi-pole block90 deg C temperature ratingUL assigned short circuit current rating 10000 A3/16 in hex primary, hex secondary(1) box lug primary, (1) box lug secondary14 to 2/0 AWG primary and secondary wireModular design for ease of assembleUL assigned short circuit current ratingLexan® insulating base