Skip to main content
(3 Pack) 3-Prong to 2-Prong Adapter Polarized Grounding Converter 3 Pin to 2 Pin Power for wall Outlets Plugs, Gray
LYOOWNG

3-Prong to 2-Prong Adapter Polarized Grounding Converter 3 Pin to 2 Pin Power for wall Outlets Plugs, Gray

Bottom line: The 3-Prong to 2-Prong Adapter Polarized Grounding Converter 3 Pin to 2 ($5.31 on Amazon as of 2026-10-06): Polarized blades (one wide, one narrow) seat only one way; main trade-off: indoor use only - not rated for outdoor or damp locations.

$5.31

As an Amazon Associate, SpecPicks earns from qualifying purchases. Full disclosure →

Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides.

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ Polarized blades (one wide, one narrow) seat only one way
  • ✓ 125V 15A rating handles typical household and shop loads
  • ✓ Compact gray body fits travel kits and crowded power strips

Cons

  • ✗ Indoor use only - not rated for outdoor or damp locations
  • ✗ Polarized blades won't fit non-polarized equal-prong outlets
  • ✗ Needs a separate LYOOWNG listing if your plug is non-polarized
  • ✗ No grounding unless the outlet box is actually grounded

Manufacturer description

The LYOOWNG 3-prong to 2-prong adapter is a straightforward answer to a problem that shows up constantly in older homes and retro-PC setups: a grounded plug and an ungrounded wall outlet. This 3-pack of polarized grounding converters is rated 125V 15A for indoor use, and each adapter accepts a standard 3-pin plug on the front while presenting a polarized 2-pin blade set on the back. Polarized matters here. One blade is wider than the other, so the adapter only seats one way and preserves hot/neutral orientation instead of leaving it to chance. If your plug has two equally sized prongs, this…

SpecPicks Verdict

SpecPicks scored (3 Pack) 3-Prong to 2-Prong Adapter Polarized Grounding Converter 3… using a rating × review-volume × price-fit model applied to published specs and reviews across the accessories category. LYOOWNG's accessories lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for accessories of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Frequently Asked Questions

What does the polarized version mean, and how do I know if I need it?

Polarized means one blade is wider than the other, so the adapter inserts only one way and keeps hot and neutral correctly oriented. Look at your wall outlet: if the two slots are different widths, this is the right adapter. If both slots are the same size, LYOOWNG sells a separate non-polarized listing for that.

How many adapters come in the package?

Three. The listing is a 3-pack of gray polarized 3-prong to 2-prong grounding converters, so you can cover multiple outlets in one order. Availability changes, so check the current listing.

Can I use these outdoors or in a garage?

No. LYOOWNG specifies indoor use only. The adapters are rated 125V 15A for indoor two-prong receptacles, and the manufacturer does not list them for outdoor or wet-location service.

What is the maximum load these adapters handle?

They are rated 125V 15A, which covers standard North American household circuits and typical electrical, household, machinery, and small appliance loads. Do not use them on anything drawing more than 15 amps or running above 125 volts.

Key Features

  • 1. Excellent Value: Polarized 3-2 Prong Adapters Grounding Adapter, 3 Pack for the best value. The polarized plug adapter has one larger and one smaller prong (NOT the Same)
  • 2. Indoor Use ONLY: 125V 15A, Safely add grounding protection to your indoor 2 prong outlets
  • 3. Easy to Use: Simply find the outlets of your choice and plug this 2 Prong Outlets to 3 Prong Outlets adapters into the outlets
  • 4. Widely Use: These 3-2 Prong Adapters Grounding Adapter for working with electrical, household, Industrial, machinery and other appliances
  • 5. Space-Saving: Small 3 Prong to 2 Prong Adapter, easy to carry anywhere, also convenient for travel
  • 6. Note: This is Polarized one Big one Small Plug (The same size plug is nother link)

Full Specifications

BrandLYOOWNG
ColorPolarized
6. NoteThis is Polarized one Big one Small Plug (The same size plug is nother link)
Plug Type2 Pin
Unit Count3 Count
Model Numberc7eb0ba9-c21e-4342-9d58-ee8b51951b76
4. Widely UseThese 3-2 Prong Adapters Grounding Adapter for working with electrical, household, Industrial, machinery and other appliances
Input Voltage120 volts
3. Easy to UseSimply find the outlets of your choice and plug this 2 Prong Outlets to 3 Prong Outlets adapters into the outlets
Output Voltage125 volts
5. Space-SavingSmall 3 Prong to 2 Prong Adapter, easy to carry anywhere, also convenient for travel
Item Dimensions1.85 x 1.6 x 0.7 inches
Mfr Part Numberc7eb0ba9-c21e-4342-9d58-ee8b51951b76
Number of Outlets3
2. Indoor Use ONLY125V 15A, Safely add grounding protection to your indoor 2 prong outlets
Warranty Description1
Item dimensions L x W x H1.85 x 1.6 x 0.7 inches

Ready to buy?

(3 Pack) 3-Prong to 2-Prong Adapter Polarized Grounding Converter 3 Pin to 2 Pin Power for wall Outlets Plugs, Gray is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Buy on Amazon — $5.31

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

Related Accessories

More guides & deep dives from the SpecPicks archive

Browse all articles & guides →

More reviews from the SpecPicks archive

Browse all reviews →

Earliest SpecPicks reviews

Browse full archive →