Corona rings and grading rings are intended to equalize and redistribute accumulated potential away from components that might be subject to local accumulation and destructive discharges .
Sometimes either device may be installed in close proximity to an arcing horn assembly .
Corona rings and grading rings are intended to equalize and redistribute accumulated potential away from components that might be subject to local accumulation and destructive discharges , although sometimes either device may be installed in close proximity to an arcing horn assembly .