High-voltage cabinet

The utility model discloses a high-voltage cabinet, and relates to power supply and distribution equipment. Comprising a cabinet body and a cabinet door hinged to the cabinet body. A plurality of positioning clamping plates I are fixedly arranged on one side in the cabinet body, a plurality of positioning clamping plates II are fixedly arranged on the other side in the cabinet body, and the positioning clamping plates I and the positioning clamping plates II are symmetrically arranged; wherein a first supporting beam is movably connected to one of the first positioning clamping plates in an inserted mode, a second supporting beam is movably connected to the second positioning clamping plate symmetrical to the first positioning clamping plate in an inserted mode, and the first supporting beam is movably connected with the second supporting beam through a one-way bending structure. The utility model has the advantages of less material consumption, simple installation mode, quick operation, no need of large-area