A ceiling lamp junction box assembly is composed of a base and an outer
shell combined of two half portions that interlockingly combine to
enclose electronic components contained therein. In addition, a
protective plate is placed in a recess defined in the bottom of the outer
shell to protect the electronic components and the outer shell during
installation of the junction box. A dovetail portion present on the outer
surface of the outer shell combines with a slot defined in the base to
help improve rotational stability.