Is this allowed? Assume that there are no splices in the wires (that the BX sheath was cut several feet into its length and the newly exposed wire now resides in the emt. Also, do I need to keep the cover plate on the pull box accessible after it's installed in the house?

[img}http://home.netcom.com/~wa2ise/power/emt-bx.jpg[/img]

Bob, homeowner who'd like to get it right.