Electrical Connector for Use in Christmas Tree

An electrical connector includes a first electrical connector body, a second electrical connector body, a first outer connector and a second outer connector. The first electrical connector body includes an insulating isolation ring, a negative terminal connector and a live terminal connector mounted on two opposite sides of the insulating isolation ring, an insulating protective ring mounted inside the first electrical connector body and the insulating isolation ring, an annular negative terminal, an insulating spring accommodated in the annular negative terminal, and an annular positive terminal received in the annular negative terminal and physically separated by the insulating spring. The second electrical connector body includes a connecting member, a connecting column, a negative terminal member and a live terminal member. The first electrical connector body is detachably connected to the second electrical connector body such that the annular negative terminal is physically separated from the annular positive terminal.