Plain Brass Material 4-1/4 Inch L Size 1/2 to 3/4 Inch Copper Water Pipe Used on 8 AWG 6 AWG 4 AWG (Copper) Conductor Size 1-1/4 to 2 Inch IPS Size Ro HS Compatible
For making connection with No. 4, 6, or 8 AWG bare copper ground wire and 1/2 Inch through 4 Inch grounding pipe or grounding wire electrode.