Apr 9, 2021, 13:37 PM
by Jonathan Stewart
![speaker-Ryan-Freeman speaker-Ryan-Freeman](/images/default-source/podcastimages/speaker-ryan-freeman.gif?sfvrsn=3a76fa5b_2)
Hubbell Power Systems joined NEMA to explain surge arrester basic lightning impulse insulation level, or BIL, and clear up a common misconception about arrester vs system BIL.
Surge Arresters | www.nemaarresters.org