Wiring system of high voltage switchgear

The utility model discloses a wiring system of a high voltage switchgear. The wiring system comprises a wiring busbar. A wire is led out from the wiring busbar, and is successively connected with a vacuum circuit breaker and a current transformer in a series manner for output. The wiring end of the current transformer is connected with three branches in a parallel manner, wherein the first branch is connected with the grounding switch in a series manner and then is connected with the ground, the second branch is connected with an electrified display in a series manner and then is connected with the ground, and the third branch is connected with a lightning arrester in a series manner and then is connected with the ground. The wiring system of the utility model is compact and simplified in structure, reasonable in layout and low in heat loss, occupies less space, enables the power supply efficiency to be improved, enables the cost to be reduced, and is widely applied to wiring cabinets of high voltage switchge