How to Wire a Ceiling Fan With Only Two Hot Wires

Installing a ceiling fan can provide better air circulation and a decorative accent to a room. However, if your ceiling electrical box only has two hot wires, the process takes a bit more planning and parts. With the right materials and safety precautions, you can successfully wire a ceiling fan using just two hot wires.

Gather the Necessary Materials

Before getting started, you'll need to gather the following materials:

• Ceiling fan - Make sure it's rated for indoor use and compatible with two hot wires.

• 4-wire cable - This special cable has a bare copper ground wire and three insulated wires - black, white, and red. You'll need enough cable to run from the ceiling box to the fan.

• Wire nuts - To connect the wires. Get the right size for the gauge of wire used.

• Voltage tester - To safely check that power is off before wiring.

• Ladder - Use a sturdy ladder to safely reach the ceiling box.

• Safety glasses and work gloves - For eye and hand protection.

• Phillips screwdriver - To open the ceiling box and install the fan bracket.

Turn Off Power at the Breaker

Before touching any wires, use a voltage tester to confirm that the power is OFF at the breaker box. Turn off the breaker for the ceiling light circuit you're using.

Working with live wires can result in electrocution, so always double check that power is off!

Install the Ceiling Fan Bracket

With the power off, you can safely work in the ceiling box. Remove the existing light fixture. Install the metal ceiling fan bracket using the screws included in the kit. The bracket has an opening for the electrical wires to run through.

Run the New Wire Cable

Feed the new 4-wire cable from the ceiling box to where the fan will be located. Leave plenty of extra wire at both ends - you'll trim it later. For ceilings with no attic access, you may need to fish the wire through the ceiling cavity using special tools.

Connect the Wires

With all the cable pulled, you can now make the wiring connections. Start by stripping insulation off the ends of each wire using wire strippers.

Connect the wires as follows using properly sized wire nuts:

• Ceiling box black wire -> Fan black wire -> 4-wire black
• Ceiling box white wire -> Fan white wire -> 4-wire white
• 4-wire red -> Fan blue
• 4-wire bare copper -> Ceiling box ground -> Fan ground

Double check that all connections are secure and no bare wire is exposed.

Mount the Ceiling Fan

With the wiring complete, you can mount the fan assembly onto the ceiling bracket. This usually involves inserting a downrod into the bracket opening and securing it with set screws or pins. Consult your fan instructions for exact mounting procedures.

Finish the Installation

Once mounted, tuck all the wired connections neatly into the ceiling box. Run the fan's plastic wire cover over the wire nut connections. Install the fan blades and light fixtures as directed by the manufacturer.

Before restoring power, give the fan a test spin to ensure it is stable and doesn't wobble. If needed, adjust the bracket or downrod until the fan runs smoothly.

With everything checked, turn the breaker back on. Make sure the fan is operating properly using the remote and wall controls. Finally, attach any trim pieces or covers to hide the ceiling box and complete the professional-looking installation.

Now relax and enjoy the cooling breeze and style of your newly wired ceiling fan!

FAQ About Wiring a Ceiling Fan with Two Hot Wires

Is it possible to install a ceiling fan using only two hot wires?

Yes, it is possible by using a 4-wire cable and connecting the wires properly. The black and white wires from the ceiling box connect to the black and white wires on the fan. The red wire from the 4-wire cable handles the second hot wire that controls the fan separately from the light.

Can I connect the ground wire to the metal ceiling box?

No, you must run it to the fan's ground wire. The ceiling box itself may not be properly grounded, so connecting the bare copper ground wire only to the fan ground ensures the fan (and you) are protected.

What gauge 4-wire cable should I use?

14 gauge is recommended for most standard ceiling fans. Use 12 gauge if it's a larger or heavier fan. The wire needs to be thick enough to handle the electric load safely.

What if my ceiling box doesn't have a ground wire?

In that case, you may need to replace it with a new ceiling box that has a grounding terminal. Proper grounding helps prevent electric shocks and is required by building codes. An electrician can assess if your ceiling box needs to be replaced.

Can I use this wiring method for an outdoor ceiling fan?

Outdoor ceiling fans need to be wired to a GFCI protected outdoor box. The wiring procedure is similar but you should consult a professional electrician for outdoor installations.