How to How to Add Outlet to Room
Adding an electrical outlet provides convenience and accommodates modern electronics. Learn to safely extend circuits, run wire, and install new outlets.
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0 of 6 steps completedStep-by-Step Instructions
1 Step 1: Check Circuit Capacity
Mike Johnson: "Pro tip: Make sure to double-check this before moving to the next step..."
Step 1: Check Circuit Capacity
Verify the existing circuit can handle additional outlet. Count existing outlets and lights on the circuit to ensure you're within 80% of breaker rating.
2 Step 2: Plan Outlet Location
Mike Johnson: "Pro tip: Make sure to double-check this before moving to the next step..."
Step 2: Plan Outlet Location
Mark outlet location 12-16 inches above floor. Check that no plumbing or wiring exists in the wall at that location using a stud finder.
3 Step 3: Cut Outlet Box Opening
Mike Johnson: "Pro tip: Make sure to double-check this before moving to the next step..."
Step 3: Cut Outlet Box Opening
Trace old-work electrical box on wall. Use drywall saw to carefully cut opening. Fish electrical cable from power source to new location.
4 Step 4: Run Electrical Cable
Step 4: Run Electrical Cable
Turn off power to circuit. Drill holes through studs and fish 14/2 or 12/2 NM cable from existing outlet to new location.
5 Step 5: Wire New Outlet
Step 5: Wire New Outlet
Strip cable sheathing, connect wires to outlet: black to brass screw, white to silver, bare copper to green ground screw.
6 Step 6: Install Box and Test
Step 6: Install Box and Test
Secure old-work box in wall opening. Attach outlet to box, install cover plate. Restore power and test with voltage tester and lamp.