Complete equipment wiring system for intelligent construction site

The utility model discloses an intelligent complete equipment wiring system for a construction site. First-stage complete equipment, second-stage complete equipment and third-stage complete equipment of the intelligent complete equipment wiring system respectively comprise a power line carrier communication module and a switching power supply module. A signal input end and a signal output end of the power line carrier communication module are connected with phase lines of corresponding main circuits of the first-stage complete equipment, the second-stage complete equipment and the third-stage complete equipment; the first-level complete equipment further comprises an Internet of Things intelligent gateway which is used as an antenna for wireless connection between the Internet of Things intelligent gateway and an Internet of Things cloud, and the power line carrier communication module in the first-level complete equipment is connected with the Internet of Things intelligent gateway through an RS485 communica