phunguyen_1
Oct 19, 2008, 08:15 PM
What is basic impulse level?
danar
Oct 21, 2008, 03:49 AM
The capacity of a electrical equipment to sustain mechanical stress usually caused by lightning srike.
tkrussell
Nov 1, 2008, 04:51 AM
Here is a previous post with more detail:
https://www.askmehelpdesk.com/advice/t-71835.html