SUPERDANNY 4 Pack ETL Listed Adapter
4.7Editor score
ETL listed for safety
Fire retardant PBT material
Polarized plug design
In this guide
Modern homes often have outdated wiring that lacks grounded outlets needed for safe electronics use. This guide helps you find the right adapter to bridge that gap without costly rewiring.
We compared ten top-rated adapters based on safety certifications, material quality, outlet configuration, and real-world performance to ensure reliable and safe power connections.
Each pick includes detailed specs and pros to help you choose wisely. Prices and availability change frequently so check current listings before making your final purchase decision today.
Top 3 Picks for Best 2 Prong to 3 Prong Outlet Adapters
LENCENT 2 to 3 Prong Outlet Adapter
4.7Editor score
Six wide spaced AC outlets
Surge protection circuits included
Grounding screw for safety
BEONDON 2 to 3 Prong Outlet Adapter
4.7Editor score
Nine port power expansion
Includes USB-C and USB-A
Compact space saving design
Top 10 Best 2 Prong to 3 Prong Outlet Adapters in 2026 Compared
This comparison table provides a side by side look at the key specifications and features of every adapter we reviewed to help you make an informed choice.
ProductsSpecificationsEditor scorePrice
Best Budget
JACKYLED 4 Pack ETL Listed
Fireproof PBT material
Polarized plug design
Grounding tab included
4.7Editor score
Editor's Choice
LENCENT 2 Prong to 3 Prong
Three AC outlets
Flat wall extender
Compact travel size
4.7Editor score
Best Premium
VINTAR 2 Prong to 3 Prong
Space-saving design
UL 498A certified
Non-blocking layout
4.7Editor score
LENCENT 2 to 3 Prong
Six AC outlets
1728J surge protection
Wall mountable design
4.7Editor score
Portable 3 Prong to 2 Prong
1875W max capacity
ETL certified safety
Grounding plate included
4.8Editor score
BEONDON 2 to 3 Prong
Nine port expansion
USB-C and USB-A
FCC approved safety
4.7Editor score
3 Prong to 2 Prong Adapter
Polarized grounding adapter
Indoor use only
Space-saving mini size
4.5Editor score
LENCENT 2 to 3 Prong
Six AC outlets
Three-sided smart design
Fireproof shell
4.8Editor score
SUPERDANNY 4 Pack
ETL listed grounding
Fire-retardant PBT
Grounding tab included
4.7Editor score
ELEGRP 2 to 3 Prong
Ten pack value
ETL listed safety
Grounding clip included
4.7Editor score
1. LENCENT 2 to 3 Prong Outlet Adapter – Best Overall Adapter
LENCENT 2 to 3 Prong Outlet Adapter
Six wide spaced AC outlets
1728J surge protection
Grounding screw included
This LENCENT adapter offers exceptional versatility with six AC outlets and surge protection. It holds a strong rating from users who need reliable power for multiple devices.
Pros
- Six outlets allow multiple devices
- Surge protection protects electronics
- Grounding screw adds safety
- Wide spaced ports fit bulky plugs
- Compact design saves space
Cons
- Higher price than basic adapters
- Surge protection only if grounded
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The standout feature is the 1728J surge protection circuit which shields connected electronics from voltage spikes. The included grounding screw ensures stable connection if your outlet box allows it.
While effective, surge protection requires an existing ground path so benefits vary by home wiring. The unit is slightly larger than single outlet adapters but still fits standard wall plates.
Buy this if you need safe multi-device charging in older homes without rewiring. It balances safety features with capacity better than most basic adapters.
Superior Surge Protection
The built-in surge protection circuits respond faster than traditional protectors keeping your devices safe during power fluctuations.
Grounding Flexibility
A included grounding screw helps you secure the adapter and connect to the outlet ground for added safety when available.
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2. SUPERDANNY 4 Pack – Best Value Adapter
SUPERDANNY 4 Pack ETL Listed Adapter
ETL listed safety
Fire-retardant PBT
Polarized plug
SUPERDANNY offers a budget-friendly four pack of ETL listed adapters ideal for covering multiple outlets affordably. It delivers strong safety ratings at a minimal price.
Pros
- Affordable four pack value
- ETL certified for safety
- Fire-resistant materials
- Compact portable design
- Polarized plug for alignment
Cons
- Single outlet each
- Basic without extra ports
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The fire-retardant PBT material resists heat up to 392F while the polarized plug ensures correct wiring alignment. Each adapter is small and easy to carry for travel.
These adapters provide grounding tabs but no extra USB ports or surge protection so they suit basic low-power needs. They are best where you need simple conversion.
Choose this pack if you need several reliable adapters for rooms or travel on a tight budget. It offers great value for basic grounded outlet needs.
Certified Safety
ETL listing means the product meets strict safety standards giving you confidence in its build and electrical ratings.
Polarized Convenience
The polarized plug design helps ensure hot and neutral wires connect correctly reducing risks of electrical issues.
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3. BEONDON 2 to 3 Prong – Best Premium Adapter
BEONDON 2 to 3 Prong Outlet Adapter
Nine port expansion
USB-C and USB-A
Compact space-saving design
BEONDON delivers a premium charging station experience with six AC outlets plus three USB ports for diverse device needs. It earns top marks for versatility.
Pros
- Combines AC and USB ports
- Nine total charging points
- Slim profile fits tight spots
- Fire-resistant PC material
- Overload protection included
Cons
- Premium price point
- No surge protection
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The addition of USB-C and USB-A allows direct charging without extra bricks while the slim profile fits behind furniture neatly. Safety features include overload and short-circuit protection.
While powerful it lacks surge protection so it is best for standard loads not high-wattage appliances. The design is optimized for daily low-power charging needs.
Buy this if you want a one-stop charging hub in older homes without rewiring. It combines safety and modern connectivity for everyday electronics well.
Integrated USB Charging
USB-A and USB-C ports let you charge phones and tablets directly without needing separate wall chargers.
Smart Compact Fit
The slim design lets you use outlets behind furniture without blocking access to nearby sockets.
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4. JACKYLED 4 Pack – Best Basic Converter
JACKYLED 4 Pack ETL Listed
Fireproof PBT material
Polarized plug design
Grounding tab included
JACKYLED provides a solid four-pack of ETL listed adapters built with fireproof PBT material. Users praise their sturdy build and reliable grounding tab.
Pros
- High quality PBT construction
- Strong fire resistance rating
- Polarized for safety
- Grounding tab for screw
- Compact easy to use
Cons
- Single outlet each
- No extra USB ports
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The polarized plug ensures correct polarity while the grounding tab can be secured under the outlet screw for better safety. They fit snugly and don't loosen easily.
Each unit offers only one converted outlet without USB ports but works well for lamps and small appliances. The compact size makes travel straightforward.
Choose this if you need multiple simple adapters for home or travel. It offers strong safety features at a fair price.
Fireproof Material
PBT material resists high heat up to 392F helping prevent fire hazards during use.
Grounding Tab
A metal grounding tab helps connect the adapter to the outlet screw for added protection.
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5. LENCENT Wall Plug Extender – Best Multi-Directional
LENCENT 2 Prong to 3 Prong
Three AC outlets
Flat wall extender
Compact travel size
LENCENT Wall Plug Extender provides three outlets at different angles to reduce cord clutter. It is popular for bedside and desk setups.
Pros
- Three outlets in different directions
- Flat design doesn't block others
- Ideal for tight corners
- Compact travel-friendly size
- Certified safe materials
Cons
- No surge protection
- Limited to 1875W
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Its flat design means it does not block adjacent outlets while the outlets orient sideways or downward. The small size makes it easy to pack for trips.
This extender is not a surge protector so it suits low-power devices. The side outlets help keep cords tidy behind furniture.
Buy this if you need flexible outlet placement in small spaces. It keeps cords organized and accessible.
Multi-Directional Outlets
Outlets face three directions allowing you to plug in devices without cords crossing awkwardly.
Non-Blocking Fit
The slim profile lets you use the adapter without blocking the bottom or top of the duplex outlet.
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6. VINTAR 2 Pack – Best Compact
VINTAR 2 Prong to 3 Prong
Space-saving design
UL 498A certified
Non-blocking layout
VINTAR offers a two-pack of ultra-compact adapters with tri-directional outlets for flexible use. It holds a high rating for safety and fit.
Pros
- Compact and lightweight
- UL 498A safety certified
- Tri-directional outlet layout
- Polarized plug safety
- Fits snugly in wall
Cons
- Single outlet each
- No USB ports
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Each unit is very light and small making it easy to carry in a bag. The UL 498A certification ensures it meets rigorous safety standards for use.
The tri-directional layout allows multiple devices but each adapter still offers only one outlet. Polarized design helps prevent wiring issues.
Choose this for travel or dorm rooms where space is limited. It balances safety and compactness well.
UL Certification
UL 498A approval means the adapter passes strict safety and performance tests.
Tri-Directional Layout
Three outlet directions allow more flexible cord routing without tangling.
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7. LENCENT 6 AC Extender – Best Capacity
LENCENT 2 to 3 Prong
Six AC outlets
Three-sided smart design
Fireproof shell
LENCENT 6 AC Extender offers six AC outlets plus USB ports for broad charging needs. It has an excellent rating for versatility.
Pros
- Six outlets total
- Three-sided outlet access
- USB-C and USB-A ports
- Fireproof shell material
- Slim practical profile
Cons
- No surge protection
- USB ports limited to 5V
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The three-sided design makes it easy to plug in multiple devices at once without blocking sides. USB ports are handy for small gadgets.
This unit does not include surge protection so avoid high-wattage appliances. The shell resists heat to enhance safety.
Buy this if you need high outlet capacity in older spaces. It maximizes charging options.
High Capacity Layout
Six AC outlets plus USB ports support many devices simultaneously without extra adapters.
Fireproof Shell
Fire-resistant material helps protect against overheating during extended use.
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8. Portable 4 Pack – Best Industrial
Portable 3 Prong to 2 Prong
1875W max capacity
ETL certified safety
Grounding plate included
This portable four pack focuses on durability for household and light industrial uses. It is rated for higher wattage loads.
Pros
- Heavy duty build
- High wattage support
- ETL safety certified
- Grounding plate for safety
- Polarized plug design
Cons
- Single outlet each
- Basic without USB
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The fireproof material and polarized design ensure safety during heavy use. Grounding plates help secure the adapter when needed.
Adapters lack USB ports but handle higher loads well. Good for tools or larger appliances.
Choose this for heavier appliance needs. It offers robust safety.
High Wattage Support
Rated for 1875W these adapters handle power-hungry devices better than basic models.
Grounding Plate
Metal grounding plate connects to outlet screws to improve safety when grounded.
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9. 3 Pack Adapter – Best Basic
3 Prong to 2 Prong Adapter
Polarized grounding adapter
Indoor use only
Space-saving mini size
This three-pack offers basic polarized adapters for converting old outlets to accept modern plugs. It is simple and effective.
Pros
- Three-pack value
- Polarized plugs
- Indoor safety rating
- Compact mini size
- Simple to use
Cons
- Indoor use only
- No surge protection
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Each adapter is small and easy to install. Polarized design helps with correct wiring alignment for safety.
Not rated for outdoor use or high loads. Best for lamps and small electronics.
Buy this for simple conversion tasks. It offers good value.
Polarized Plugs
Polarized blades ensure correct alignment reducing risk of electrical issues.
Space Saving Size
Mini size helps keep outlets accessible and cords tidy.
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10. ELEGRP 10 Pack – Best Bulk
ELEGRP 2 to 3 Prong
Ten pack value
ETL listed safety
Grounding clip included
ELEGRP provides a ten-pack of basic converters ideal for covering many outlets at once. It offers great bulk pricing.
Pros
- Ten-pack value
- ETL listed
- Grounding clip included
- Sturdy thermoplastic build
- Easy to install
Cons
- Bulk quantity only
- Single outlet each
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Each adapter is ETL listed for safety and includes a grounding clip for secure mounting. The material is sturdy thermoplastic.
Basic without USB ports but suitable for many locations. Install quickly using the grounding clip.
Choose this for whole-home or office conversion. It is cost-effective.
Ten-Pack Value
Buying ten adapters at once lowers cost per unit for large setups.
Grounding Clip
Grounding clip helps attach the adapter securely for better safety.
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Buying Guide – How to Choose the Best 2 Prong to 3 Prong Outlet Adapters
Selecting the right adapter requires understanding safety ratings, material quality, outlet capacity, and grounding options to ensure reliable power.
Safety Certifications
Look for adapters with ETL or UL certifications which indicate the product meets independent safety testing standards. These certifications ensure the materials and internal design can handle rated loads without overheating or failure.
Prioritize ETL or UL listed units to avoid electrical hazards.
Material Quality
High-quality adapters use fire-resistant thermoplastic or PBT housings that can withstand high temperatures. Check the manufacturer's temperature rating to ensure it exceeds typical household heat levels.
Choose adapters rated for high heat to reduce fire risk.
Polarized Plugs
A polarized plug ensures the hot and neutral blades align correctly with the outlet slots. This reduces risk of electrical shorts and helps devices operate safely.
Ensure the adapter has polarized plugs for safe wiring.
Grounding Options
Some adapters include grounding tabs or screws to connect to the outlet plate for better grounding. This feature improves safety but requires a grounded outlet box to function.
Select adapters with grounding clips if your outlet allows.
Outlet Capacity
Single outlet adapters suit simple needs while multi-outlet options support multiple devices. Consider how many devices you need to power at one time.
Choose capacity based on your device count needs.
Surge Protection
Some advanced adapters include surge protection to shield electronics from voltage spikes. This feature is optional but valuable for sensitive devices.
Opt for surge protection if protecting expensive electronics.
USB Port Integration
Adapters with built-in USB ports allow direct charging of phones and tablets. This reduces clutter from multiple chargers.
Select units with USB ports if you charge many small devices.
Size and Portability
Compact adapters fit behind furniture without blocking outlets and are easier to carry for travel. Slim designs help keep cords tidy.
Choose smaller sizes for travel or tight spaces.
How to Use and Care for Your 2 Prong to 3 Prong Outlet Adapters
Insert the adapter into the wall outlet and align the polarized plug. Use the grounding tab or screw to secure it if your outlet allows.
Plug your device or power strip into the adapter. Avoid overloading by checking device wattage against the adapter's rating.
Inspect the adapter regularly for signs of heat or damage. Replace if the housing warps or the plug feels loose.
Frequently Asked Questions
Can I use a 2 prong to 3 prong adapter with a 3 prong plug?
Yes, adapters convert two-prong outlets to accept three-prong plugs. Ensure the adapter is properly grounded for safety.
Are these adapters safe for high-wattage appliances?
Check the wattage rating and avoid high-wattage devices unless the adapter is rated for industrial loads.
Do these adapters provide surge protection?
Basic adapters do not. Look for specific models that mention built-in surge protection.
Can I use these outdoors?
Most are rated for indoor use only. Avoid using in wet or outdoor environments.
How do I ground the adapter?
Use the grounding tab to connect under the outlet plate screw if the outlet box is grounded.
Do adapters work with USB chargers?
Some include USB ports. Standard adapters require separate USB chargers plugged in.
Final Thoughts on Choosing the Best 2 Prong to 3 Prong Outlet Adapters
We reviewed ten adapters offering varying levels of safety, capacity, and versatility to suit different needs and spaces.
Prioritize safety features like polarization and fire-resistant materials along with proper grounding options for reliable use.
Check current listings for prices and availability before purchase since stock and offers change frequently.