Wrap all three strands of electric twinkle lights around the evergreen wreath, connecting the light strands to each other and covering the wreath evenly.
Cut three pieces of twine to each measure 1 foot long. Tie each piece of twine to the wreath, spaced evenly apart. Gather the ends of the twine and tie them in a knot.
Connect the extension cord to the twinkle lights and run the cord up one of the twine pieces that is tied to the wreath. Cut a 6-inch piece of twine and tie the cord to the knotted ends of the twine.
Attach the eyehook to the ceiling or pergola and thread the extension cord through the eye, making sure the twinkle light wreath chandelier is balanced in a horizontal hanging position. Plug in the extension cord.