The electrical subbase provides the same features as the non-electrical subbase, plus a factory-installed electrical junction box containing a receptacle for corded packaged terminal air conditioner units. 5304482886 — Electrical Subbase-230V-15A, Black 5304482887 — Electrical Subbase-230V-20A, Black 5304482888 — Electrical Subbase-230V-30A, Black 5304482889 — Electrical Subbase-265V-15A, Black 5304482890 — Electrical Subbase-265V-20A, Black 5304482891 — Electrical Subbase-265V-30A, Black 5304482698 — Subbase Disconnect Switch, 265V