A quick secure connection system for use with a set of outdoor lights includes a power source having a two-wired female connector surrounded by external threads. Threadably connected to the female connector on the power source is a male connector surrounded by an internally threaded collar. The male connector is mounted on one end of a power transmission cord.On the opposite end of the power transmission is a two-wired light assembly. On the base of the two-wired light assembly is another two-wired female connector from which a set of outdoor lights may be assembled.