Busbar Insulator for Electrical Copper or Aluminum  is generally cylindrical, with one screw hole at each end and a screw to fix the line that needs to be connected.

This is a insulators set, including four pieces, and with corresponding screws. Busbar Insulator is
Widely used in high low power distribution cabinet. For power distribution, transmission, fixing copper Aluminum bus bar, etc., play the role of insulation and connection. Busbar Insulator for or Aluminum is
Good electrical resistance, heat resistance, fire resistance, low shrinkage and water resistance. Excellent texture and good workmanship are your choice.