[Editor's note: In 2014, the National Electric Code was revised, rendering the diagrams with this article inaccurate. Please see "Neutral Necessity: Wiring Three-Way Switches," JLC 5/15.]
A.Rex Cauldwell, a master electrician in Rocky Mount, Va., responds: The answer depends in part on the location of the new sconce. If the power cable feeds the fixture closest to the switch, you simply wire the most distant sconce into the first sconce and treat both as a single fixture (see illustration).
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