Using handsaw or drill, cut a small opening at base of pipe so light-socket cord can fit into it. Coat pipe and pipe flange with primer; let dry. Spray-paint both items; let dry.
In 1 bowl, mix equal parts Mod Podge and acrylic paint. Pour glitter into other bowl. Paint icicle at top of pipe using glue mixture; sprinkle glitter on top. Repeat around circumference.
Thread socket's cord through pipe so socket sits on the glittered end. Attach socket to pipe with superglue. To create the base of candle, screw pipe nipple into flange, and insert nipple into pipe. Screw lightbulb into socket. Place inside wreath if desired.