Abstract: An electric connector assembly includes an intermediate connector for connecting the first mating connector to the second mating connector to facilitate connections between two circuit boards, which includes a power supply terminal having a main body portion and a flange portion having a larger width than the main body portion; an outer housing including a first inner housing portion affixed to the outer housing, the first inner housing portion having a first terminal penetrating portion configured to engage with the main body portion of a power supply terminal and latching portions. The intermediate connector also includes a second inner housing portion configured to align with the first inner housing portion that has engaging portions configured to engage the second inner housing portion to the outer housing via the latching portions; and a second terminal penetrating portion, configured to engage with the main body portion of the power supply terminal.