Usually when I see that done it is daisy chaining devices in a gang box.
I suppose you could strip the RX jacket 12" or so, Fold it and jam it through the connector and connect it up inside but I bet the regular way ends up being faster. 314.16(B)(1) does acknowledge the method
Quote
Each loop or coil of unbroken conductor not less than twice the minimum length required for free conductors in 300.14 shall be counted twice.
