PPE

[Ray83]

We have arc flash ratings labeled on our switch gears and one of them say 40.38 cal. Should we buy a 50 cal? And anything pass 40 cal ( even if it's that .38 ) is that pretty much a major kaboom ?

 

[charlie b]

Duplicate. Closed. See the discussion here:
http://forums.mikeholt.com/showthread.php?t=184879