A plug housing preferably includes an upper housing and a lower housing defining a cavity and a latch portion arranged to be pivotable about the plug housing and including a pair of actuator beams. Respective ones of the pair of actuator beams are preferably arranged to be directly opposed to respective side surfaces of the plug housing. The latch portion is preferably arranged to be connected to the upper housing and the lower housing through a pair of projection portions or a pair of pivot holes arranged on opposite ones of the pair of actuator beams of the latch portion. The latch portion is preferably pivotable about the plug housing at a position corresponding to the pair of projection portions or the pair of pivot holes. The latch preferably includes a catch mechanism and a spring mechanism connected to a forward plate without contacting the pair of actuator beams.