Updating 2 prong to 3 prong outlets
If arc-fault circuit interruption is required, an arc-fault circuit interruption device should be installed.
These devices do not require a grounding conductor, so can be installed in a circuit without a ground. Where a receptacle outlet is supplied by a branch circuit that requires arc-fault circuit interrupter protection as specified elsewhere in this Code, a replacement receptacle at this outlet shall be one of the following: (1) A listed outlet branch circuit type arc-fault circuit-interrupter receptacle.
By following these tips, you can replace an old or damaged outlet.
It’s a simple job, and so long as you take the proper precautions, it’s safe.
Maybe turn the power of before taking the cover plate of, definitely turn it off of you're pulling the receptacle out.
Then a 3-prong grounding type receptacle should be installed, and the receptacle should be grounded using approved means. Where a grounding means exists in the receptacle enclosure or an equipment grounding conductor is installed in accordance with 250.130(C), grounding-type receptacles shall be used and shall be connected to the equipment grounding conductor in accordance with 406.4(C) or 250.130(C). Where attachment to an equipment grounding conductor does not exist in the receptacle enclosure, the installation shall comply with (D)(2)(a), (D)(2)(b), or (D)(2)(c).(2) A receptacle protected by a listed outlet branch circuit type arc-fault circuit interrupter type receptacle.(3) A receptacle protected by a listed combination type arc-fault circuit interrupter type circuit breaker. Listed tamper-resistant receptacles shall be provided where replacements are made at receptacle outlets that are required to be tamper-resistant elsewhere in this Code.If the box is not grounded, a GFCI can be installed or an electrician can be hired to fix the wiring.The image above is a GFCI that was installed to replace the old, 2-prong ungrounded wall receptacle in an older home.
If these conditions are met, the box provides ground-fault protection (even though the outlet does not).