4", Insulated Ground Bushing, Threaded Type, Bushing Material: Malleable Iron, Lug Material: Aluminum. Wire Size: 14 AWG (Solid) - 4 AWG (Stranded). For Copper or Aluminum Grounding.
- Material: Malleable Iron
- Diameter: 4 in
- Insulation: Insulated
- Insulation: Insulated