GROUNDING CONNECTOR BLACKBURN Transformer ground connectors are cast of high conductivity bronze. 1/2-13 stud fits all standard EEI-NEMA distribution transformers. Eye bolt rotates to accommodate cable in either vertical or horizontal direction. One size connector to handle full range of grounding conductors from #8 to #2/0 str. Easily tightened in transformer tank with same wrench used for tightening conductor connector. 100 per carton. Wire Range Max.-Min.: 2/0 Str.-8 Sol.