Replace an Outlet or GFCI
A straight swap of a standard outlet or GFCI is a common DIY. Scorched wires, aluminum, or a missing ground are not.
This is a judgment page, not a step-by-step how-to. The procedure lives in the vetted links at the bottom.
The call
DIY a like-for-like replacement on a modern grounded circuit if you can shut the breaker off, prove the box is dead, and put the wires back the way you found them. Hire an electrician for aluminum wiring, any scorch or melt, a box with no ground when you are installing a GFCI the wrong way, a new circuit, or if your state does not allow homeowner electrical work.
- Difficulty
- Time
- 30–60 minutes for a straight swap
- DIY estimate
- $15–$40 for the device
- Pro estimate
- $150–$300
2 of 5
Rough national estimate, not a quote. Prices move with the city, the brand, and whatever the job turns into once you open it up.
Tools
- TODO: affiliate link
Non-contact voltage tester
- TODO: affiliate link
Screwdrivers
- TODO: affiliate link
Wire strippers, if a conductor end is nicked
- TODO: affiliate link
Outlet tester with a GFCI trip button
Materials
- TODO: affiliate link
Replacement receptacle or GFCI rated for the circuit
A 15-amp device on a 15-amp circuit, a 20-amp device where the circuit is 20 amp.
- TODO: affiliate link
Cover plate, if the old one is cracked
Affiliate slots are placeholders. A live shop link will be marked as sponsored. See the affiliate disclosure.
Safety notes
- Shut the breaker off and test the outlet, and the wires, before you remove the device. Test the tester on a live outlet first so you know it works.
- A GFCI has line and load terminals. Mixing them up kills the protection or the downstream outlets. Photograph the old device before you disconnect it.
- Aluminum wiring needs connectors and devices listed for aluminum. Don't put a standard outlet on it.
- Brown, melted, or brittle insulation means stop. That box has overheated. An electrician needs to see it.
Do I need a permit?
A matching device and a new circuit are not the same job.
Some states treat a like-for-like outlet or GFCI swap as ordinary repair. Others don't say, and homeowner electrical exemptions are easy to overread. Read the ceiling fan, outlet, and GFCI line on your state page. If you are adding a circuit, moving the box, or the page says to check locally, call the building department first.
On each state page, read: Ceiling fan, outlet, or GFCI.
Permit triggers are local. This is general information, not legal advice. All state pages · Disclaimer
Best How-To Videos & Articles
We link to guides that already exist. We don't rewrite them.
- How To Install a GFCI Outlet
This Old House · Article
- GFCI vs. AFCI Outlets
Family Handyman · Article
TODO: add a verified step-by-step outlet replacement video. The Family Handyman link is a GFCI explainer, not a full install.
Questions people ask first
- Can I replace an outlet myself?
- A straight swap on a grounded circuit is DIY for many homeowners. Hire an electrician for aluminum wire, heat damage, a new circuit, or if your state limits homeowner electrical work.
- How much does it cost to replace an outlet or GFCI?
- The device is often $15–$40. An electrician is often $150–$300 for a simple replacement. Those are rough estimates, not a quote.
- Do I need a permit to replace a GFCI?
- Sometimes a like-for-like swap is repair, and sometimes the city still wants a permit. Check your state page and call the local building department.