The invention discloses a split wire clamp comprising a first connecting block and a second connecting block. One side of the second connecting block is fixedly equipped with a hinge. One end of a rotating shaft is fixedly equipped with a first bolt which is movably connected to a first bolt hole arranged at the top of one side of the second connecting block. The other side of the first connectingblock and the other side of the second connecting block are fixedly connected to clamping bodies. One end of an inner wall of a fixed hole is fixedly connected to a spring, one end of the spring is fixedly connected to a clamping piece, and two ends of a fixed card are clamped to the bottom of the clamping piece. The surface of an upper clamping band is coated with a fluorescent material layer and is uniformly provided with a plurality of heat dissipation holes. One end of each of multiple telescopic springs is fixedly connected to a rubber ring, an inner surface of the rubber ring is coatedwith a PEVA composite cotton material layer, and a second bolt is movably inserted into a second bolt hole. The split wire clamp has the advantages of convenient disassembly, an adjustable angle of the wire clamp, good heat dissipation and anti-freezing performance, and a wide application range.