Harness adjustment assembly for a user-worn electrical appliance and connection system for same

Harness adjustment assemblies for user-worn electrical appliances and connection systems for the same are disclosed. In one aspect, a system includes an electrical appliance including a housing defining a recess, a track removably connected to the housing within the recess, a harness adjustment assembly connected to the housing by the track, and a harness assembly configured to be worn by a user of the electrical appliance to facilitate carrying the electrical appliance. The harness adjustment assembly includes an actuator assembly movable and selectively repositionable along the track. The harness assembly is connected to the actuator assembly such that the harness assembly is selectively repositionable relative to the electrical appliance housing upon actuation of the actuator assembly.