Here's a typical modern residential panel using MCBs (plastic see-thru lid raised):

[Linked Image from members.aol.com]

And here's the bit you really want to see [Linked Image] :
[Linked Image from members.aol.com]

Note that we never bond neutral to ground in these panels, hence the separate bars. (Yes, I know it must look funny to you to see all those black wires connected like that! [Linked Image])




[This message has been edited by pauluk (edited 07-16-2002).]