Fluke Ii910 Precision Acoustic Imager

You can't overestimate the danger of an arc flash

https://www.youtube.com/watch?v=G0WlqC7MkS0 https://www.youtube.com/watch?v=xDLKLnVdlWE

As a teenager I thought it was no big deal that electical switchboxes were often blocked off by a fence in places like multi-story parking lots. Actually a failure of a switch can cause a plasma explosion that is much hotter than the surface sun and can kill you with radiant heat never mind molten metal and blast overpressure.