I have been searching for the code requirement, (2008) for combining fused and non-fused conductors in the same enclosure, no divider. This installation has a tap box from the utility, nipples to a wp gutter, with 4 100a meters out of the top of gutter. Contractor mounted the coresponding disconnects of each meter next to the panels, however he nippled into the gutter,not the meter. So now the non-fused from the utility feeds the meter, the load side from meter back into the gutter, enters the disconnect from the gutter, re-enters the gutter and exits as a feeder to the lease space from the back of the gutter. Confused? I am. Anybody have the chapter and verse? Thanks in advance.