None — • Check all electric lights and connections before decorating. Don't use any lights with worn or frayed cords.
• Never use lighted candles on your tree.
• Don't overload the electrical outlets.
• Place your tree away from fireplaces, radiators, television sets and other heat sources that can prematurely dry out your tree.
• Always make sure that your tree has plenty of water to prevent drying.
• Always turn off all decorations before going to bed or leaving home.
-- Information from the North Carolina Christmas Tree Association