#583 – Copper Charcoal Ground

#583 – Copper Charcoal Ground. 4” dia. x 24” tube filled with charcoal. Wt. 10.72 lb. ea.
#583X – Perforated Copper Charcoal Ground. Same as above but
has perforated tube. Wt. 7.60 lb. ea.
Additional chemicals such as magnesium sulfate will improve or lower
ground resistance even further.