In examples of the present disclosure, a vented electrical terminal block may include a body that may be configured to support a plurality of electrical terminals In examples, the body may include a plurality of side walls that may extend from the body. The body may include a plurality of apertures extending through the body. A cavity may be defined by an underside of the body. The cavity may receive a cavity fluid. In examples, at least one side wall may include an opening for receiving a sealing fluid, and apertures may be configured to vent said cavity fluid from the cavity when sealing fluid is introduced into the cavity via the opening.