The Best Low Voltage Christmas Lights References. Look at the label on the bulb. Low voltage lighting is a type of electrical lighting that runs on a low voltage direct current (dc) power source, usually between 10 and 35 volts.

Low voltage & remote control: Price and other details may vary based on product size and color. Low voltage lighting is a type of electrical lighting that runs on a low voltage direct current (dc) power source, usually between 10 and 35 volts.