This hose handle is a white/ivory color and has a 3-position switch.
Question:Does this include the vacuum control slider?
Answer:This hose handle has a suction control sider and a switch on the handle.
Question:Does this handle have a 3 prong socket?
Answer:Yes this has 3 female electrical contacts. This handle also has 3 female electrical contacts: http://evacuumstore.com/p-18665-beam-old-style-handle-assembly-with-switch-and-wire-harness.aspx