Describe the parts of a lightning rod

A ground rod is set in the ground next to the house or building

While a copper wire runs on the side of the building to the top

where the lightning rod is set.

In-Depth

The "GEM" (Ground Enhancment Material) or Ground rod is at the bottom of the building set in the ground away from the house just enough not to carry the electricity, The ground rod clamp holds the "GEM" The Copper wire runs up the side of the building attached with the help of the Copper Cable Straps, The lightning rod is usually based at the top of the building mounted by the Lightning rod mounting base.