Ornamental lighting assembly

An ornamental lighting assembly comprising:

• a plurality of ornamental lighting units, each of which includes a series of ornamental lamps aligned in a longitudinal direction, and a pair of parallel conductive wires extending in the longitudinal direction and interconnecting said ornamental lamps, each of said ornamental lamps including a tubular supporting column and a light bulb mounted on said supporting column, said supporting column of each of said ornamental lamps being formed with two pairs of holes, each of said conductive wires extending through a respective one of said pairs of said holes in said supporting column of each of said ornamental lamps and being electrically connected to said light bulbs of said ornamental lamps, each of said conductive wires having two opposite connecting ends, one of said connecting ends being formed with an engaging tongue, the other one of said connecting ends being formed with an engaging groove that is capable of engaging said engaging tongue of said one of said connecting ends of one of said conductive wires of an adjacent one of said ornamental lighting units so as to permit electrical connection between adjacent ones of said ornamental lighting units and so as to enable said ornamental lighting units to be assembled into a desired shape.