PURPOSE: A wire support apparatus is provided to freely control the height of the wire in a pillar for an electric fence. CONSTITUTION: A wire support apparatus comprises an opening on both ends; a cylindrical main body(2) with a slit parallel to a center axis line; a cap member(5) which is detachably attached to one end of the main body and has a smaller diameter than the end of the main body; and a protrusion member(6) which is protruded from the outer surface of the main body. The protrusion member comprises a first plate member parallel to the center axis line of the main body; a first protrusion member which has a first connection member connecting the first plate member and the outer surface of the main body; a second plate member parallel to the center axis line of the main body; and a second connection member which is located in another position.
