A charging cable support arm includes a support member that is fixed to a wall face, a first arm whose proximal end portion is hinged to the support member and that is rotatable within a horizontal plane, and a second arm that is hinged to a distal end of the first arm and that is rotatable within a horizontal plane. The first arm is provided with a first passage hole through which a charging cable is inserted into the first arm, and the second arm 3 is provided with, at a distal end thereof, a fourth passage hole from which the inserted charging cable is pulled out, and by use of the charging cable pulled out of the fourth passage hole, an electric vehicle is charged.