Low-Voltage Output Connector and Light String Controller

A light string controller comprising:

• a housing;
• an input interface located at the front end of the housing;
• and
• a low-voltage output connector located at the rear end of the housing comprising:
• a back cover, an output interface provided on the back cover, and a nut in threaded fit with the output interface;
• wherein the output interface comprises a threaded column integrally molded with the back cover and a protrusion located at the base of the threaded column, the outer wall of the threaded column is provided with external threads, a connection seat is provided inside the threaded column, the connection seat is equipped with an insertion hole, one side of the protrusion is provided with a first inclined surface, and the other side is provided with a first stopping surface;
• the inner wall of the nut is provided with internal threads, and the nut is threadedly connected to the threaded column, the end of the nut is provided with a plurality of teeth, the side of the teeth facing the tightening direction is provided with a second inclined surface, and the side facing the loosening direction is provided with a second stopping surface.