An electrical testing device includes a housing having a base and a cover. The base and the cover define a cavity. The electrical testing device includes an input connector and a plurality of output connectors in electrical communication with the input connector. A fuse is in electrical communication with the input connector and the plurality of output connectors. The input connector and each output connector of the plurality of output connectors is adapted to connect to an interchangeable test lead. The input connector and each output connector of the plurality of output connectors is in electrical communication with an activation mechanism.