Single phase 60A 240V circuit passes through a metallic J-box with EMT conduit. Circuit needs to have a disconnect added at the location of the j-box. If a 60A A/C disconnect is installed with a 1" nipple to the j-box and the two ungrounded conductors routed in-and-out through that nipple and landed so as to complete a disconnecting means, is there a code violation in this design? The grounded conductor and grounding conductor will not enter the disconnect. (Grounding by means of raceway metal only) I cannot locate a rule prohibiting this. Just seems a bit dicey to me though.