Distribution cabinet grounding wire detection and alarm device

Embodiment of the invention provides a distribution cabinet grounding wire detection and alarm device. The device includes a support, a first case body arranged on the support and a second case body arranged on the inner side of the support; the inner sidewall of the first case body is provided with an insulating layer; a fixing plate is arranged in the insulating layer and provided with multiplemetal strip plates; the multiple metal strip plates are connected to a first terminal through an E-shaped plate; the first case body is connected to a second terminal; the terminals are respectively connected to a data collector through wires and in ground connection with a metal vertical rod through the wires; an ohmmeter respectively detects the grounding data of the first case body and an electrical element; and the data collector transmits all the grounding data to a processor to send to a receiving device after processing. The safety of the device can be guaranteed by respectively grounding a shell and the shell