A switching cabinet arrangement equipped with a main door and at least one auxiliary door having a locking device mounted on them, which has an actuating mechanism that causes an actuating device to unlock the auxiliary door as the main door is opened. The weather guard may include a roller mount, and an elongated roller rotatably mounted to the roller mount, the roller defining a roller axis. The invention also provides therapeutic agents for cases of immunological disorders, compromised immune function, organ transplantation, or thrombosis. The electrode assembly also includes a cover plate which is removably attachable to the housing and at least one stop member for controlling the distance between the opposing electrodes.