It is funny how some topics really can get peoples "dander" up [Linked Image]

If the enclosure for a service or a subpanel does not have the threaded holes for a "KIT" that can be mounted via the installation instructions, than the bus/bar that is mounted by an installer without these provisions has not been tested as effective, and will require bonding to the original bus in the enclosure.

250.130(A), 250.24(B) and the UL Directory that also has specific language on this topic.

I know that we all know this is the most important connection that we make everyday - the effective ground fault current path!!!

Pierre Belarge