How to replace two-prong outlets with three-prong without rewiring
Older homes often lack the ground wires needed for standard three-prong receptacles, forcing homeowners to choose between expensive full-house rewires or finding code-compliant alternatives like GFCI protection. Without a proper ground or GFCI setup, homeowners are left trying unsafe workarounds or struggling to fit modern safety devices into shallow historical boxes.
What the numbers show
Counted from the threads quoted below. How we count
- People have been saying this in most months since August 2026.
- This comes up 98.2× more often in r/askanelectrician than across the site as a whole.
What people tried
Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.
Found another way around this?
Share your steps and trade-offs so fellow engineers don't have to reinvent the wheel. No account required.
- 1installing a GFCI receptacle or breakerDid this help you?
- 2adding a separate ground wire if a crawlspace or basement is availableDid this help you?
- 3leaving the ground screw empty on the new three-prong outletDid this help you?
- 4Using surge protectors plugged into the damaged outletsDid this help you?
- 5making sure LINE hot and neutral are on the right screwsDid this help you?
- 6Go into the crawl space, pull that wire out, put it into a box, splice a new Romex to it, mount the splice box, run new wire up the wallDid this help you?
- 7Mount a surface mount box to the wall at the floor levelDid this help you?
- 8Secure that current box to the floor or wall, then use a 14 gauge extension cordDid this help you?
- 9Cut a small part of the basement drywall ceiling and wall out to run a new lineDid this help you?
- 10Add an inline splice kit and pop a wall box above baseboard levelDid this help you?
- 11cleaning the area with a sponge and waterDid this help you?
- 12pressing the reset button on a GFCI outletDid this help you?
- 13replacing the switch and outlet entirelyDid this help you?
- 14Replacing 2-prong outlets with GFCI 3-prong outletsDid this help you?
- 15Labeling GFCI outlets as 'no equipment ground' to pass inspectionDid this help you?
- 16Using specialized breakers that trip on unsafe currentDid this help you?
- 17Splice wires using a wire connector to create a pigtail for the new outletDid this help you?
- 18Use a slim outlet model to fit restricted box depthDid this help you?
- 19taping the outlet cover to the wall with electrical tapeDid this help you?
- 20Ensuring the first outlet in the circuit is a GFCIDid this help you?
- 21Swapping every outlet in the seriesDid this help you?
- 22Waiting for the receptacle to dry outDid this help you?
- 23Replacing the entire outdoor weather-resistant box and outletsDid this help you?
- 24experimenting with wire configurationsDid this help you?
- 25snipping continuous wire loopsDid this help you?
- 26Changing the plug directlyDid this help you?
- 27put the old outlet backDid this help you?
- 28Copying the exact wiring configuration from the old outlet to the new one and hoping it works.Did this help you?
In their words
Unedited, grouped by where they were said, most upvoted first within each place, each linked to the thread it came from.
“1950s home with two prong outlets. Can I add a new 3 prong and ground it to the receptacle box? I believe the ultimate fix is to rewire the home but I would prefer not to do that if possible.”source ↗
“We couldn’t fit GFCIs into our old boxes, so we protected it there.”source ↗
“I notice the outlets that are in series, sometimes, have an open ground.”source ↗
“Do I have to swap every outlet in the series in order for the series of outlets to be grounded properly?”source ↗
“The actual light switch itself works fine but the power outlet does not, my friend who is a handyman came over and left this socket detector that says wether an outlet is good or faulty and when I tried using it it gave no signifier that power is going through it whatsoever.”source ↗
“I know it’s dirty but I don’t know what the most appropriate method to clean it was. I just used a sponge and water to scrape whatever stuff is”source ↗
“I have read other places that it’s likely a gfci outlet but I’m not super sure and won’t be unless I know how to clean it first so I can clearly see stuff.”source ↗
“I’d like to replace them with GFCI outlets, but I’m confused as how to wire it.”source ↗
“Neither had a ground, and on the new outlets I just plugged them in the same as they were (top to top, bottom to bottom) leaving the green screw empty.”source ↗
“Should I replace them or is it safe to use them?”source ↗
“I get no light on the GFCI, though my non contact voltage tester shows current running through the outlet.”source ↗
“The neutral wire comes into the outlet as a u-loop with one side going back into the wall and the other going into a wire nut with two other wires in it.”source ↗
“I am trying to replace this with a new outlet since the reset button stopped working”source ↗
“how to handle in a modern “lever edge” outlet that won’t accommodate the current u shape?”source ↗
“It was hot enough to melt to cover. You're going to have to replace that anyway. $20 for new outlets is cheap insurance.”source ↗
“So my daughter has great interest in making her own clothes and wanted to get a machine which I of course went off and bought her an old vintage machine .. great machine and will do what she wants to do but it’s on an EU plug at the moment and I wanted to swap it for a uk one .. is this a case of changing plug and away she goes or is it a case of internals/transformers/sparky stuff as well need to be changed .”source ↗
“Three wires: hot, cold , ground. But the hot and cold wires are each two wires looped but they’re not separated. The new outlet is push in style.”source ↗
“I was changing some outlets in my home yesterday when I came across one that was really confusing).”source ↗
“Anyway, when I opened it up, I saw that it had 3 white wires attached, 3 black wires, and 2 ground wires!?! WTH?!?”source ↗
“Maybe not the wisest thing, but I just swapped out the old receptacle for the new one I bought, copying the configuration”source ↗
“can anyone tell me (1) whether I messed up doing what I did and (2) why that thing looked so different than the other receptacles I changed”source ↗
“when i moved in i didn’t notice this issue until i started using a hairdryer and it became a nuisance.”source ↗
“the casing for the screws keeping the outlet attached to the inner wall (sorry i don’t know the terms) are completely torn up, they won’t hold the screws at all.”source ↗
“just remember to label the gfci "no equipment ground" or the inspector will ding you for it later, learned that one the hard way”source ↗
“I have electrical wiring that is connected to an outlet coming out of my floor into an outlet. Probably 6 in or so of length in the wiring (see imgur link). This sits behind my couch in this room, but since I am doing a bunch of other renovations in the room I figured I would update this at the same time.”source ↗
Where this came up
People with this problem also raised
- 6Why do outlets stop working when the breaker isn't tripped?
- 6Why does my electrical outlet only work sometimes?
- 27Electrician installed an outlet instead of a generator inlet box
- 12Is a melted electrical socket safe to leave until morning?
- 2How to convert an electrical box into an outdoor outlet
- 15How to replace a sparking or melted light switch safely