Quote Originally Posted by Johnny V
Do what DKT mentioned about turning off power before changing plugs no matter what pack you are using.
There is *no* question in my mind that this is a good idea. However, it *is* comforting to know that it CAN happen in the heat of battle (and it has!!) without disatrous results.

As for power - all I can say is that I have a small studio (relatively) and even with the use of softboxes and ISO 100 film, I more often than not have the varistors cranked all the way down - and I'm still between f/16 and f/22.