How To Wire A Bathroom

Learning how to wire a bathroom can save you the money and hassle of hiring an expensive electrician or even worse-a pesky in-law! You don’t need to be a professional with wires, splicing, or drilling to successfully wire your bathroom. All you need is a little time, patience, and basic knowledge of where your wires will be running from. If you think you’re ready to tackle the task and beat electricity, then take a look at this following list of items that you’ll need to complete your project.

To wire a bathroom, you’ll need the following:

  • Power source w/ wires
  • Marine-grade wiring
  • Electrical knife
  • Electrical tape
  • Drill
  • Bathtub sealer
  1. Find the power. The first step to wiring your bathroom is finding the power source. If you don’t have a set of handy wires leading to your bathroom, check your breaker box for the place marked as “bathroom.” Note that you may have multiple bathrooms, so don’t accidentally check the wiring from the wrong bathroom or room in the house. If you don’t have any wiring running from your breaker that could be used in your bathroom, simply begin by splicing your wire from the end to the breaker box. We’ll explain wire splicing in the next step.
  2. Run the wires. The next step to wiring your bathroom begins with learning how to splice wires. To splice your wires, cut the rubber tubing off your wire ends using an electrical knife. Make sure that you don’t accidentally cut your copper ends within the wires or your wires will no longer work at this location. Connect the copper ends to either other wires, breaker box, etc, by wrapping the copper ends around either each other or the metal ends. If connecting opposing wires, use electrical tape to seal up the copper ends to prevent a potential fire hazard. Use caution in doing this and make sure that your electricity is turned off while working with potentially live wires. After you’ve spliced your wires, run the active wires from your power source to your bathroom.
  3. Install the bathroom wiring. Once you’ve run your wires from your power source, run the wires from a discreet place in your bathroom to the locations where you need a power source. The easiest place to run your wires into your bathroom is a location like a closet, door way, etc. Drill small holes that will be big enough to run your wires through to locations such as lights, electrical outlets, etc. Remember to splice your wires to any locations where you’re running power to and use electrical tape to seal-up these connections.

When working in a location subject to moisture or water, make sure that you use marine-grade wiring. This type of wiring is specifically designed to take the abuse of water and moisture. After you’ve drilled holes in your bathroom, even in closets, use a popular bathtub/tile sealer to seal-up the locations around your wires. This will prevent getting moisture in these areas and give your project a great finished look. Once you’ve successfully wired your bathroom, enjoy the time and money you saved by doing it yourself.

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