Hawke Trefoil Insert Blocks: These blocks allow three single phase power cables to be sealed inside of the same cable block. *Available in 90mm and 120 mm size*

Hawke Special Insert Blocks: When Hawke Transit System Frames are penetrated by services that are shaped anything other than circular, eg. busbars, special cables, earthtraps, etc. Special EMC bocks can be manufacturer. Please contact our Sales Department for more information.