Gallagher recommends that all energizers be fitted with a lightning diverter to help protect from lightning damage. This diverter will withstand multiple lightning strikes and can be adjusted to fit any energizer. ? Versatile - can be used with any energizer ? Diverts lightning from the fence to the ground to protect the energizer ? Easily attaches to a fence post Manufacturer's Part Number: # G64800 ? WARNING: This product can expose you to chemicals including Styrene which is known to the State of California to cause cancer, and BPA which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.