| CPC F21V 31/005 (2013.01) [F21S 4/10 (2016.01); F21V 15/01 (2013.01); F21V 19/003 (2013.01); F21V 21/0824 (2013.01); F21V 23/002 (2013.01); F21Y 2115/10 (2016.08)] | 14 Claims |

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1. A decorative light string, comprising: a plurality of lamp bodies, and an electric wire connected to the plurality of lamp bodies, wherein the lamp body comprises: a cover, a bottom plate for sealing an opening of the cover, a circuit board mounted in the cover, and an LED light source mounted on the circuit board, wherein the electric wire is electrically connected to the circuit board and extends out from two sides of the cover, wherein the cover comprises a top wall and a side wall, wherein the top wall is provided with a lens integrally formed with the cover, wherein two sides of the side wall are provided with wire slots in interference fit with the electric wire, wherein a waterproof stepping portion and a first welded rib that are clamped to each other are arranged on a surface where an end surface of the side wall and the bottom plate are joined, wherein the first welded rib is welded and fixed to the waterproof step stepping portion, wherein the electric wire is a flat shielded wire, wherein the electric wire extends out from the wire slot, and wherein the bottom plate tightly presses the electric wire in the wire slot.
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