sunrise cicada

I am building a quadcopter that will use the sunrise cicada 30A 4 in 1 ESC, and an F4 Flame FC. The ESC has 2 (what I believe) are 16 gauge wires for +V and GND, as well as five thinner wires, four of which are signal wires for the motors and connect to the FC, and the last one another GND wire...