Service
Ungrounded outlets upgrade
A three-prong outlet on a two-wire circuit looks grounded and is not. The code gives three honest ways to fix it.
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Written by HyreElectrical Research Desk Primary-source research and fact checking
The short answer
Ungrounded outlets upgrade means replacing two-prong outlets using one of three NEC 406.4(D) options: a new two-prong outlet, a GFCI receptacle labeled “No Equipment Ground,” or a three-prong outlet protected by a GFCI and labeled “GFCI Protected” and “No Equipment Ground.” The fourth option is running a new equipment grounding conductor. A licensed electrician chooses.
The options in plain terms
Two-prong replacement: keeps the status quo. GFCI: protects people from shock without a ground wire, but does not give equipment a ground path. New ground: runs a grounding conductor to the outlet and gives full protection for surge protectors and sensitive equipment.
EC&M explains the GFCI rule, and no ground may be connected from that GFCI to outlets it feeds.
What not to do
Installing a three-prong outlet with no ground and no GFCI is a code violation and a false sense of safety. CPSC warns never to defeat a grounding pin.
Bootleg grounds, jumping neutral to ground at the outlet, are dangerous and fail inspection.
What the job includes
Testing each outlet, then installing GFCIs and labels, or running grounding conductors, or a mix. Kitchens and baths often get GFCIs anyway. See grounding and bonding.
Permit, time and what changes the price
GFCI swaps are often repair. New grounding conductors may need a permit.
Price drivers: outlet count, GFCI vs new ground, wall access. No price ranges are published here until we hold enough sourced, dated quotes; see cost guides.
Inspections and insurance
Home inspectors flag ungrounded three-prong outlets. Labeled GFCI solutions are accepted by code. Check the license on your state board before anyone starts: how to check an electrician license.
Which option fits which room
Bedrooms and living rooms with lamps and chargers usually do well with GFCI protection and labels. Home offices with computers and surge protectors benefit from a real ground, because many surge protectors need one to divert a surge.
One GFCI at the first outlet on a circuit can protect the rest, which keeps the number of devices down. The electrician finds the first outlet by testing.
What a fair written quote lists
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Questions
Can I just put in three-prong outlets?
Is a GFCI as good as a ground?
Do surge protectors work without a ground?
Must I rewire to fix ungrounded outlets?
Written and audited by
HyreElectrical Research Desk
Primary-source research and fact checking
We read the model code, the federal safety notice, the municipal fee sheet or the utility tariff ourselves, and we publish the figure with the document it came from and the date we retrieved it.
Where a number cannot be traced to a primary source, we publish the shorter page and say what we could not verify. HyreElectrical does not perform, supervise or warrant electrical work. Authorship is organizational: this desk, not a named persona.
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- electrical companies in those records
- 74%
- of the store is Florida — disclosed first, not footnoted
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Sources & retrieval dates
HyreElectrical is a publisher. It does not perform, supervise, inspect or warrant electrical work, holds no electrical license, and matching is still being built, so an inquiry is not a service call.
This page is general information, not a diagnosis or a quote. Code rules vary by the NEC edition your state or city adopted and its local amendments.