There is nothing in my 1999 Ontario code for counting connectors. As a matter of fact is states "shall disregard any space occupied by lock nuts, bushings, box connectors or clamps". Only insulated conductor count so no count for grounds.
by my count
6 conductors, 2 for device adds up to 8 conductors.
Table 23 says you can have 10 #14 conductors in a 16 cubic inch box.