Well, the second I heard the ca chink, I became very concerned. At that point, both my hands were on the panel. I slowly pulled it away from the enclosure. I guess it wasn't my day for fireworks. If the insulation on the SEC conductor would have been stripped a bit farther, things would have lit up. However, if you look at the design of the insulation guards, you can see how they performed as designed and prevented the short.