Linergy power distribution blocks are designed for cable termination and meet NEMA standards. This single pole block has two lug openings on the line (main) side and eight lug openings on the load (branch) side. The line side lug is designed to accept a 6-500mm² copper or aluminum wire. The load side lugs are designed to accept a 14 to 2/0 copper or aluminum wire. The lugs are made of aluminum. The lugs are rated for 760 with copper wire and 620A with aluminum wire. The lugs are rated for 600V. The housing is made of general purpose phenolic resin. These Linergy power distribution blocks are UL recognized and CSA certified.