A filler bezel clip assembly for an electrical cabinet having a chassis mounting rail. The assembly includes: a bezel clip member for disposition on one surface of one of the rail; and, a wedge bracket member. The bezel clip member has: a slot; a hook for attachment to a bezel; and a first portion of a ratchet mechanism. The wedge bracket member is for insertion into the slot and includes: a tapered surface having a forward, narrower portion of the tapered surface for engaging an opposite surface of the rail; and a second portion of the ratchet mechanism for engagement with the first portion of a ratchet mechanism as the forward, portion of the tapered surface slides over the opposite surface of the rail during insertion of the wedge bracket member into the slot. The bezel clip member includes posts for insertion into round and square holes in the rail.