SUPERDANNY 4 Pack ETL Listed 2 Prong to 3 Prong Outlet Adapter, Gray
4.7Editor score
ETL Listed certification
Fire-retardant PBT material
Compact portable design
In this guide
Finding the right adapter for older outlets is essential when modern three-prong plugs meet two-slot sockets. These devices let you safely connect grounded electronics without rewiring walls or hiring electricians for simple upgrades.
We evaluated ten leading adapters based on safety certifications, material quality, and design features. Our review covers models with grounding tabs, polarized plugs, and multi-outlet expanders to suit different household needs.
Each pick highlights key specs and real-world performance notes to guide your choice. Prices and availability change frequently, so check current listings before purchasing to ensure you get the best deal today.
Top 3 Picks for Best 2 Prong to 3 Prong Outlet Adapters
JACKYLED 4-Pack ETL Listed 3 Prong to 2 Prong Adapter Converter, Fireproof
4.7Editor score
Polarized plug design
Metal grounding tab
High heat resistance
LENCENT 2 to 3 Prong Outlet Adapter, 3 to 2 Prong Grounding Adapter
4.7Editor score
Surge protection circuits
Six wide-spaced outlets
Wall mountable design
Top 10 Best 2 Prong to 3 Prong Outlet Adapters in 2026 Compared
Below is a side-by-side comparison of all ten products including key specs and ratings to help you quickly find the adapter that matches your specific power needs.
ProductsSpecificationsEditor scorePrice
Editor's Choice
JACKYLED 4-Pack ETL Listed 3 Prong to 2 Prong Adapter Converter, Fireproof
ETL Listed safety standard
PBT fire-proof material
Polarized plug included
1875W max capacity
4.7Editor score
Editor's Choice
LENCENT 2 Prong to 3 Prong Outlet Adapter, Wall Plug Extender
Three AC outlets directions
Compact 2.52 inch size
Fireproof material 1382F
Supports travel use
4.7Editor score
Best Premium
VINTAR 2 Prong to 3 Prong Outlet Adapter for Non-Grounded Outlets, 2 Pack
UL 498A certified
Tri-directional outlet layout
Lightweight portable design
Non-blocking slim profile
4.7Editor score
LENCENT 2 to 3 Prong Outlet Adapter, 3 to 2 Prong Grounding Adapter
Six AC outlets total
Surge protection 1728J
Wall mount screw included
Fire-resistant PC shell
4.7Editor score
Portable 3 Prong to 2 Prong Outlet Adapter, Fireproof 392℉ 3-2 Prong Adapter Converter, Heavy Duty Wall Plug Adapter for Household Appliances Industrial, 1875W Max, 4 Packs
Fireproof 1382F material
Grounded protection tab
Compact travel size
Polarized plug safety
4.8Editor score
BEONDON 2 to 3 Prong Outlet Adapter with 6 Outlets, 3 USB Ports, 1 Pack
9-Port power expansion
6 AC outlets plus USB
FCC approval certified
Slim space-saving design
4.7Editor score
3 Prong to 2 Prong Adapter, Polarized Grounding Converter Adapter, 3Pack
Indoor use only
Polarized plug design
Small travel size
125V 15A rated
4.5Editor score
LENCENT 2 to 3 Prong Outlet Adapter, 2 Prong Outlet Extender with 6 AC
6 AC outlets total
USB-C and USB-A ports
Fireproof 1382F shell
Smart 3-sided design
4.8Editor score
SUPERDANNY 4 Pack ETL Listed 2 Prong to 3 Prong Outlet Adapter, Gray
ETL Listed grounding
Fire-retardant PBT material
Polarized plug safety
Built-in grounding tab
4.7Editor score
ELEGRP 2 to 3 Prong Adapter, 3 to 2 Prong Converter – 10 Pack, Gray
10 Pack value
Thermoplastic fire-proof
Polarized plug safety
ETL Listed standard
4.7Editor score
1. JACKYLED 4-Pack ETL Listed 3 Prong to 2 Prong Adapter Converter, Fireproof – Best Overall 2 Prong to 3 Prong Outlet Adapters
JACKYLED 4-Pack ETL Listed 3 Prong to 2 Prong Adapter Converter, Fireproof
ETL Listed safety
PBT fire-proof material
Polarized plug design
1875W max capacity
This JACKYLED adapter stands out with ETL Listed safety and fire-proof materials rated for high heat. It converts two-slot outlets to accept grounded plugs with a polarized design for safer current flow.
Pros
- ETL Listed safety certification
- Fire-proof PBT material
- Polarized plug for safety
- Compact and portable
- Includes grounding tab
Cons
- Single outlet design
- Limited color options
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The polarized plug ensures hot and neutral wires align correctly, reducing electrical risk. A metal grounding tab under the outlet plate screw offers extra protection when the box is grounded.
It is compact enough for travel but may lack multi-outlet expansion options. However, its robust construction and safety features make it reliable for heavy-duty appliances.
Buy this if you need a safe basic adapter for old homes or travel. It is ideal for users prioritizing certified safety and fire resistance over extra port count.
Enhanced Safety Certifications
ETL Listed status and fire-proof material build ensure the adapter meets strict safety standards for household electrical use.
Polarized Plug Benefits
Polarized plugs align hot and neutral wires properly, which minimizes risk and protects appliance wiring during everyday use.
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2. LENCENT 2 Prong to 3 Prong Outlet Adapter, Wall Plug Extender – Best Multi-Outlet Extension
LENCENT 2 Prong to 3 Prong Outlet Adapter, Wall Plug Extender
Three AC outlet directions
Compact size design
Fireproof material build
Travel friendly use
This LENCENT extender transforms one outlet into three AC sockets in different directions. Its flat profile keeps cords organized and avoids blocking neighboring outlets in crowded wall spaces.
Pros
- Multiple outlet directions
- Compact lightweight size
- Fireproof material build
- Good for travel
- Non-blocking design
Cons
- No grounding provided
- Single unit value
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Made from fireproof material rated to 1382F, it ensures heat resistance during high-use periods. The compact size makes it suitable for laptops bags or travel kits.
It does not provide grounding even though it accepts three-prong plugs, so check your outlet box before relying on safety tabs. Still, the multi-outlet feature saves space and time.
Choose this for convenience in rooms with limited wall sockets. It works well for low-power devices and travelers needing more access without bulky power strips.
Space Saving Layout
Three outlets facing different directions allow you to plug in multiple devices without blocking adjacent wall sockets.
Fireproof Construction
Materials rated to 1382F provide added protection against overheating during continuous use.
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3. VINTAR 2 Prong to 3 Prong Outlet Adapter for Non-Grounded Outlets, 2 Pack – Best Value Pack
VINTAR 2 Prong to 3 Prong Outlet Adapter for Non-Grounded Outlets, 2 Pack
UL 498A certified
Tri-directional outlets
Lightweight portable
Slim non-blocking
VINTAR offers two adapters in a pack, making it a cost-effective choice for multiple rooms. Each unit features a tri-directional layout and meets UL 498A safety standards.
Pros
- Two pack value
- UL 498A certified
- Tri-directional outlets
- Lightweight design
- Polarized plug safety
Cons
- No surge protection
- No grounding for safety
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The slim design keeps cords neat and fits tight spaces behind furniture. Its polarized plug ensures safer electrical alignment when connecting grounded devices to older sockets.
While it lacks extra surge protection, it covers basic needs for daily electronics. The lightweight build is easy to store and move between home and travel.
Buy this if you need affordable adapters for several locations. It suits dorm rooms or offices where multiple sockets are needed without extra cost.
Certified Safety
UL 498A certification provides confidence in the adapter safety for indoor electrical applications.
Compact Multi-Outlet Design
Tri-directional outlets allow simultaneous device charging without blocking nearby wall sockets.
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4. LENCENT 2 to 3 Prong Outlet Adapter, 3 to 2 Prong Grounding Adapter – Best Premium with Surge Protection
LENCENT 2 to 3 Prong Outlet Adapter, 3 to 2 Prong Grounding Adapter
Six AC outlets total
1728J surge protection
Wall mountable design
Fire-resistant PC shell
This premium LENCENT adapter includes six outlets and surge protection circuits to shield sensitive electronics. Its wall mount feature ensures a secure stable connection during high-load use.
Pros
- Six outlets for devices
- Built-in surge protection
- Wall mount capability
- Fire-resistant PC shell
- High safety standards
Cons
- Higher price point
- Requires wall screw
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Surge protection responds in under 1ns, offering fast defense against voltage spikes. The fire-resistant PC shell adds durability for long-term daily reliability.
It costs more than basic models and needs a screw for full grounding, which may not be possible in all outlets. But the added power and safety justify the investment.
Choose this for offices or studios with many devices. It is ideal where surge protection and multiple sockets are needed in one compact unit.
Surge Protection Circuits
TVS MOV and GDT circuits protect devices from voltage spikes with rapid response times.
Wall Mountable Stability
Included grounding screw allows the adapter to be secured to the outlet plate for reduced wiggling.
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5. Portable 3 Prong to 2 Prong Outlet Adapter, Fireproof 392℉ 3-2 Prong Adapter Converter, Heavy Duty Wall Plug Adapter for Household Appliances Industrial, 1875W Max, 4 Packs – Best Heavy-Duty Set
Portable 3 Prong to 2 Prong Outlet Adapter, Fireproof 392℉ 3-2 Prong Adapter Converter, Heavy Duty Wall Plug Adapter for Household Appliances Industrial, 1875W Max, 4 Packs
4 Pack value set
Fireproof 1382F material
Grounding protection tab
Compact travel size
This set provides four adapters with heavy-duty construction and high heat resistance for industrial or household appliances. Each adapter features a grounding tab for safer connection in older boxes.
Pros
- Four pack value
- High heat resistance
- Grounding tab included
- Compact and portable
- Heavy-duty design
Cons
- Single outlet per unit
- No USB ports
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Made from fireproof material rated to 1382F, it withstands heat buildup better than standard plastic. The compact size keeps it easy to carry for travel or temporary setups.
It lacks multi-outlet expansion and USB ports, but the bulk pack ensures replacements or spare units are available. Its rated capacity supports most common electronics.
Buy this for workshops or homes needing multiple units. It suits users prioritizing durability and heat resistance over extra features or port types.
High Heat Resistance
Fireproof materials rated to 1382F protect against overheating during extended appliance use.
Grounding Safety Tab
Metal grounding tabs provide extra protection when connected to grounded outlet screws.
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6. BEONDON 2 to 3 Prong Outlet Adapter with 6 Outlets, 3 USB Ports, 1 Pack – Best for USB Charging
BEONDON 2 to 3 Prong Outlet Adapter with 6 Outlets, 3 USB Ports, 1 Pack
6 AC outlets total
3 USB charging ports
Slim space-saving design
FCC approval certified
This adapter combines six AC outlets with three USB ports for flexible charging options. Its slim design fits behind furniture and keeps cords organized without taking much space.
Pros
- 6 AC and 3 USB ports
- Slim space-saving profile
- FCC safety certified
- Overload protection
- Multiple device support
Cons
- No surge protection
- Limited wattage per USB
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Built-in overload and short-circuit protection adds safety for low-power devices. It suits dorms or bedrooms where both plug and USB charging are needed.
USB ports support standard speeds, so fast-charging needs may not be met. Still, the mix of AC and USB makes it versatile for phones and tablets.
Choose this for rooms needing many charging points. It works well for travelers and students who need to charge multiple gadgets from one socket.
Dual Charging Options
AC outlets and USB ports allow you to charge both modern plugs and small electronics at once.
Slim Space-Saving Build
A compact profile lets the adapter fit easily behind sofas or TV stands without blocking other sockets.
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7. 3 Prong to 2 Prong Adapter, Polarized Grounding Converter Adapter, 3Pack – Best Basic Multi-Pack
3 Prong to 2 Prong Adapter, Polarized Grounding Converter Adapter, 3Pack
3 Pack value set
Indoor use only
Polarized plug design
Small travel size
This three-pack offers a budget-friendly way to equip several outlets. Each unit is polarized for safer alignment and fits compactly into small bags or kits.
Pros
- Three pack value
- Polarized plug safety
- Small and portable
- Low cost option
- Easy to use
Cons
- No fireproof rating
- Indoor use only
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It is designed for indoor use with a 125V 15A rating that covers most household devices. The simple plug-in design makes setup quick for non-experts.
It lacks explicit fireproof certification, so it should not be used near high-heat appliances. Still, its cost-effective and practical for low-risk areas.
Buy this for temporary or backup needs. It suits homeowners who need basic adapters for low-wattage devices in bedrooms or offices.
Easy Installation
Just plug into the outlet to convert a two-slot socket to accept grounded three-prong plugs.
Travel Friendly Size
Compact dimensions make it easy to carry in luggage or toolkits for trips.
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8. LENCENT 2 to 3 Prong Outlet Adapter, 2 Prong Outlet Extender with 6 AC – Best High-Capacity Extender
LENCENT 2 to 3 Prong Outlet Adapter, 2 Prong Outlet Extender with 6 AC
6 AC outlets total
USB-C and USB-A ports
Fireproof material build
3-sided outlet design
This extender provides six AC outlets with added USB ports for flexible power access. Its fireproof shell and overcurrent protection make it safe for high-usage settings.
Pros
- 6 AC plus USB ports
- Fireproof 1382F shell
- 3-sided access layout
- Compact and safe
- Overcurrent protection
Cons
- Single grounding tab
- Higher cost unit
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A smart 3-sided design allows access to outlets even when blocked by furniture. The slim profile keeps it tidy and easy to place behind TVs or beds.
It costs more than single adapters, but the combined power options save extra cords. Just ensure the outlet can handle the max load before plugging in many devices.
Choose this for workstations or media rooms. It works well when many devices need to stay charged without multiple outlet blocks.
Multi-Device Power
Six AC outlets and USB ports allow simultaneous charging of phones and larger electronics.
Fireproof Safety Shell
Fireproof material rated to 1382F protects against heat buildup during continuous use.
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9. SUPERDANNY 4 Pack ETL Listed 2 Prong to 3 Prong Outlet Adapter, Gray – Best Budget Multi-Pack
SUPERDANNY 4 Pack ETL Listed 2 Prong to 3 Prong Outlet Adapter, Gray
4 Pack value set
ETL Listed safety
Fire-retardant PBT material
Polarized plug design
SUPERDANNY delivers four adapters with ETL safety certification and fire-retardant construction. Each unit is polarized for safer connection and fits compactly in travel cases.
Pros
- Four pack value
- ETL Listed safety
- Fire-retardant material
- Compact size
- Travel ready
Cons
- Single outlet design
- No USB ports
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The PBT material resists heat up to 392F, which reduces fire risk during use. Its lightweight build makes it easy to carry for home or travel.
It lacks multi-outlet expansion, so additional units are needed for multiple devices. Still, the low cost per unit makes it an affordable starter set.
Buy this for budget-conscious buyers. It works well for older homes needing several basic adapters for everyday electronics.
Certified Safety
ETL Listed status ensures the adapter meets strict electrical safety standards for indoor use.
Fire-Retardant Build
PBT material resists high heat, reducing risk during extended appliance connection.
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10. ELEGRP 2 to 3 Prong Adapter, 3 to 2 Prong Converter – 10 Pack, Gray – Best Bulk Pack
ELEGRP 2 to 3 Prong Adapter, 3 to 2 Prong Converter – 10 Pack, Gray
10 Pack value set
ETL Listed standard
Fire-proof thermoplastic
Polarized plug design
This bulk pack offers ten adapters at a low unit cost, ideal for large homes or offices. Each is ETL Listed with fire-proof materials for safe operation.
Pros
- Ten pack value
- ETL Listed safety
- Fire-proof construction
- Polarized plug safety
- Low unit cost
Cons
- No surge protection
- No USB ports
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The thermoplastic shell resists heat and protects against minor electrical faults. Its polarized plug design ensures proper alignment for safer current flow.
It does not include extra outlets or USB ports, but the quantity makes it a great stock option. You can keep spares for replacements as needed.
Buy this if you need many adapters at once. It suits property managers or families wanting to distribute basic adapters throughout a building.
Bulk Value
Ten units provide a ready stock for multi-unit homes or offices needing multiple connections.
Safety Ratings
ETL Listed certification and fire-proof materials ensure reliable and safe indoor operation.
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Buying Guide – How to Choose the Best 2 Prong to 3 Prong Outlet Adapters
Choosing the right adapter involves weighing safety, capacity, and design to match your specific electrical needs and environment.
Safety Certification
Look for ETL or UL Listed ratings which confirm the product meets national electrical safety standards. Certified adapters undergo testing for material quality and electrical performance.
Always prioritize safety certifications to reduce risks of overheating or short circuits.
Material Quality
Fire-proof materials such as PBT or PC with high heat ratings protect against thermal risks. Check for ratings like 1382F which indicate resistance to heat buildup.
Choose adapters with fireproof materials for long-term safety and reliability.
Polarized Plugs
Polarized plugs ensure correct alignment of hot and neutral wires, reducing electrical risk. This design prevents incorrect insertion and improves device safety.
Always pick polarized plugs for safer current flow and appliance protection.
Grounding Protection
Some adapters include a metal grounding tab that fits under the outlet screw. This offers extra safety when the outlet box is grounded.
Verify if your outlet can accept the grounding tab before buying.
Outlet Count
Single outlet adapters suit basic needs while multi-outlet models reduce clutter. Consider how many devices you need to charge at once.
Pick models with more outlets if you need simultaneous charging for several devices.
Port Type
USB ports allow direct charging for phones without extra adapters. Combined AC and USB units offer flexibility for mixed device types.
Choose models with USB ports if you often charge mobile devices.
Capacity Rating
Check wattage and amp ratings such as 1875W max to ensure they match your appliances. Overloading can cause overheating or failure.
Never exceed the adapter rated capacity for safe operation.
Portability
Compact and lightweight designs fit in bags for travel or temporary use. Smaller sizes also keep them tidy in tight spaces.
Pick portable designs if you plan to move the adapter often.
How to Use and Care for Your 2 Prong to 3 Prong Outlet Adapters
Plug the adapter firmly into the wall outlet ensuring it sits flat against the plate. Push firmly until it is snug to reduce loose connections.
Insert your three-prong plug into the adapter and make sure it is fully seated. Avoid using excessive force to prevent bending the prongs.
Store unused adapters in a dry place away from direct sunlight. Inspect them regularly for signs of wear or damage before reuse.
Frequently Asked Questions
Are these adapters safe for use?
Yes, certified models with ETL or UL Listed ratings meet safety standards for household use. Look for fireproof materials and polarized plugs to ensure safe operation.
Do these adapters provide grounding?
Some adapters include a grounding tab that connects to the outlet screw. True grounding requires the outlet box to be grounded already, so verify your setup first.
What is the max power rating?
Most units are rated for 125V 15A and 1875W max. Do not exceed these limits to avoid overheating or electrical hazards.
Can I use them in Japan?
Japan uses two-prong outlets similar to older US ones, so these adapters work for travelers. Ensure your devices support the correct voltage before plugging in.
Do adapters come with USB ports?
Some models include USB ports for direct charging of phones and tablets. Others are basic AC-only adapters depending on the product.
How many outlets can I chain?
Avoid chaining adapters together as it can overload circuits. Use a single adapter per outlet to maintain safety and compliance.
Final Thoughts on Choosing the Best 2 Prong to 3 Prong Outlet Adapters
We reviewed ten top adapters covering safety, design, and capacity. PICK JACKYLED VINTAR and LENCENT models offer strong options for different needs.
Prioritize safety certifications and material quality when making your choice. Consider outlet count and port types to match your devices.
Always check current listings and prices before purchasing. These factors change over time, so verify specs for the latest model you choose.