An alignment of sockets enabling to engage with a large number of Christmas lamps includes a hollow rectangular seat having a plurality of circular openings for engaging within a plurality of lamps, and opened bottom, a pair of first semi-circular grooves in the bottom and an elongate slender slot in a lateral wall for disposing an elongate copper plate, a plurality of inverse U-shaped copper plate spacedly engaged between each pair of adjacent lamps, a pair of electric wires engaged with first semi-circular grooves a pierced by the tips of the elongate copper plate and one of the inverse U-shaped plates, an elongate cover covered the opened bottom of the seat having a pair of second semi-circular grooves and plurality of rectangular for stopping against the inverse U-shaped copper plates respectively.