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How Do I Add An Outlet to Existing Electrical Wiring?
How to add Another Electric Outlet: Before tapping into an existing circuit to add power for an outlet the line must be verified that it is in fact an outlet circuit and not a line use for switching a light fixture or similar application.
Electrical Wiring for an Outlet
- I tied into an existing line to add an outlet.
- I connected all white to white, black to black and ground to ground.
- The outlet does not work.
- Do I have to make different wire connections?
Background: John, a Homeowner from Cape Coral, Florida.
See more about Home Wiring for Florida
Thanks for your electrical wiring question John.
How to add Another Electric Outlet
Application: Adding a 120 Volt Receptacle Outlet.
Skill Level: Beginner to Intermediate – Best if wired by a Licensed Electrical Contractor.
Tools Required: Basic Electricians Pouch Hand Tools and a Voltage Tester.
Estimated Time: Depends on personal level experience, ability to work with tools and the number of outlets that will be added and the access to the location for the new outlets.
Precaution: Identify the existing outlet circuit, turn it OFF and Tag it with a Note before working with the wiring.
Notice: Installing additional outlet wiring should be done through the local building authority, installed according to applicable local and national electrical codes, with a permit, and have the required inspections.
Check to Make Sure the Wiring will Support an Outlet
IMPORTANT: Before tapping into an existing circuit to add power for an outlet the line must be verified that it is in fact an outlet circuit and not a line use for switching a light fixture or similar application.
- It should be understood where the cable comes from and where it is leading to.
- Once the line is verified it should be checked for available amperage capacity.
- If the new outlet is going to be used as a convenience outlet then the added load may be allowed, however if the new outlet will be powering a microwave oven then the added load will most likely overload the circuit and cause it to trip off.
- Most all microwave ovens require a dedicated circuit.
Let’s Review the Electrical Wiring Process for Wiring an Outlet
- Identify the circuit.
- Check for available power capacity.
- Install the splice or tap in an accessible junction box.
Wiring Electrical Outlets for the Home
- Home electrical wiring includes 110 volt outlets and 220 volt outlets and receptacles which are common place in every home.
- See how wiring electrical outlets for the home are done.
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Complete Guide to Home Electrical Wiring
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Be Careful and Be Safe - Never Work on Energized Circuits!
Consult your Local Building Department about Permits and Inspections for all projects.