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How to Split a Light Socket

Updated February 21, 2017

Light sockets are used to provide electricity to common incandescent light bulbs. In areas where a higher wattage bulb is not capable of providing enough light, you do not need to install a lamp or additional light fixture. You can use your existing light socket to create two lights. This requires the use of a device known as a "Y-splitter" or a "twin-socket adaptor." It allows you to power two light bulbs with one light socket.

Remove any bulbs from the light socket.

Install a Y-splitter or "twin socket adaptor." Twist the splitter into the light socket as you would a bulb.

Insert two bulbs into the sockets of the Y-splitter. Make sure the bulbs meet the voltage and wattage requirements of the Y-splitter manufacturer. This information is typically stamped on the splitter itself or listed on the packaging.

Turn on the light to test illumination.

Tip

As of 2010, the cost of a Y-splitter averaged £1.90 to £2. You may be able to buy the splitters cheaper if you purchase more than one at a time. Lower watt and voltage bulbs typically use less electricity and cost less, but they produce less light and are not as efficient. A 150-watt bulb's filament is designed to withstand hotter temperatures, which can result in greater efficiency and light output. You would need more than two 75-watt bulbs and more electricity to equal the light output of the 150-watt bulb.

Warning

A Y-splitter may not work if you have a globe that goes over a light bulb. The increased space from two bulbs may be too big for the globe to fit over them.

Things You'll Need

  • Y-splitter or twin-socket adaptor
  • Two light bulbs
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About the Author

Based in Florida, Jim Franklin started writing professionally in 2009. His articles appear on websites such as eHow, where he covers topics ranging from home improvement to finance. Franklin has a Bachelor of Arts in business management from Florida Atlantic University.