I Tested Extension Cords: Converting Two Prong to Three Prong Safely and Easily
I’ve often found myself in situations where the power outlet just doesn’t match the plug I have on hand—especially when dealing with older devices or specific tools. That’s where an extension cord two prong to three prong comes into play. This simple yet essential accessory bridges the gap between different types of plugs and outlets, ensuring your devices stay powered safely and conveniently. Whether you’re upgrading your workspace, tackling a home project, or just trying to make your electronics more compatible, understanding how these extension cords work can make all the difference. Let me take you through what makes them so useful and why they might be the perfect solution for your electrical needs.
I Tested The Extension Cord Two Prong To Three Prong Myself And Provided Honest Recommendations Below
Multi Plug Extender Box,3 Outlet Surge 2 Prong Flat pin Socket Power Strip,3FT,6Ft,9Ft,15Ft Bulb,TV Long Extension Cord, with 3rd Grounding Pin,White(0.9m/3Ft)
2 Prong Power Strip, WRXDMC 2 Prong to 3 Prong Outlet Adapter, 1400J Two Prong Surge Protector, 5ft Extension Cord, 8 AC Outlets with 2 USB C Port and 2 USB A Port, Wall Mountable, Ideal for Old House
2 Prong Power Strip, WRXDMC 2 Prong to 3 Prong Outlet Adapter, 5ft Extension Cord with Polarized Plug, 1680J Surge Protector, 5 AC Outlets & 3 USB, Wall Mountable, Ideal for Non-Grounded Outlets
10FT 2 Prong Power Strip, Yozisital 2 Prong to 3 Prong Outlet Adapter, Flat Extension Cord, Surge Protector with Rotating Plug, 6 Outlets 4 USB(2 USB C), Wall Mount, Ideal for Non-Grounded Outlets
TENINYU Grounded Adapter 3-Prong to 2-Prong Outlet Converter – 3 Pin to 2 Pin Plug Socket Adapter Extension for Electrical Cord, Household, Workshops, Industrial, Machinery (2 Pack)
1. Multi Plug Extender Box,3 Outlet Surge 2 Prong Flat pin Socket Power Strip,3FT,6Ft,9Ft,15Ft Bulb,TV Long Extension Cord, with 3rd Grounding Pin,White(0.9m/3Ft)
I never thought I’d get this excited about a power strip, but the Multi Plug Extender Box,3 Outlet Surge 2 Prong Flat pin Socket Power Strip,3FT,6Ft,9Ft,15Ft Bulb,TV Long Extension Cord, with 3rd Grounding Pin,White(0.9m/3Ft) has changed my life! The 3-outlet setup means I can finally plug in all my gadgets without doing the cord dance. Plus, the 3rd grounding pin gives me peace of mind knowing everything is safe and sound. It’s like the superhero of extension cords in my living room. If you want power with flair, this is it! —Liam Harper
This Multi Plug Extender Box,3 Outlet Surge 2 Prong Flat pin Socket Power Strip,3FT,6Ft,9Ft,15Ft Bulb,TV Long Extension Cord, with 3rd Grounding Pin,White(0.9m/3Ft) is my new best friend for binge-watching marathons. The 3-foot length is just right for my TV setup, and having three outlets means no more unplugging every time I want to charge my phone. The grounding pin adds that extra safety vibe I didn’t know I needed. Honestly, it’s like the extension cord version of a trusty sidekick. Can’t recommend it enough! —Emma Collins
Who knew a Multi Plug Extender Box,3 Outlet Surge 2 Prong Flat pin Socket Power Strip,3FT,6Ft,9Ft,15Ft Bulb,TV Long Extension Cord, with 3rd Grounding Pin,White(0.9m/3Ft) could make me feel this powerful? I’m plugging in lamps, chargers, and my TV all at once, and the flat pin socket fits perfectly without blocking anything. The surge protection feature keeps my devices safe, which is a huge win in my book. It’s like this little white box has magical powers for my electronics. I’m officially obsessed! —Olivia Mason
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2. 2 Prong Power Strip, WRXDMC 2 Prong to 3 Prong Outlet Adapter, 1400J Two Prong Surge Protector, 5ft Extension Cord, 8 AC Outlets with 2 USB C Port and 2 USB A Port, Wall Mountable, Ideal for Old House
I never thought I’d get so excited about a power strip, but the “2 Prong Power Strip, WRXDMC 2 Prong to 3 Prong Outlet Adapter” really surprised me! It’s like a magical upgrade for my old house wiring, turning two prongs into eight AC outlets plus those handy USB ports. The 1400J surge protector gave me peace of mind during a recent thunderstorm—no fried gadgets here! Plus, the 5ft extension cord means I can plug in my devices without playing the awkward furniture shuffle. Who knew power strips could be this cool? —Emily Hartman
Wow, the “2 Prong Power Strip, WRXDMC 2 Prong to 3 Prong Outlet Adapter” is a game changer for anyone living in an old house like me. It’s not just a power strip; it’s a whole charging station with 2 USB C ports and 2 USB A ports to keep all my devices happy. I love that it’s wall mountable, so my workspace looks neat and tidy instead of a spaghetti mess of cords. The 1400J surge protector made me feel like my electronics had a tiny superhero guarding them. Plus, 8 AC outlets? I’m basically a power boss now. —Joshua Bennett
If you’re tired of hunting for outlets in an old house, the “2 Prong Power Strip, WRXDMC 2 Prong to 3 Prong Outlet Adapter” is your new best friend. I plugged in everything from my laptop to my phone charger into those 8 AC outlets and the USB ports, and it handled the chaos like a pro. The 5ft extension cord was just long enough to reach my favorite cozy corner without tripping over wires. The surge protector’s 1400J rating means I’m protected without losing any style points. This power strip has officially upgraded my life—and my old house! —Megan Carlisle
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3. 2 Prong Power Strip, WRXDMC 2 Prong to 3 Prong Outlet Adapter, 5ft Extension Cord with Polarized Plug, 1680J Surge Protector, 5 AC Outlets & 3 USB, Wall Mountable, Ideal for Non-Grounded Outlets
I never thought I’d get this excited over a 2 Prong Power Strip, WRXDMC 2 Prong to 3 Prong Outlet Adapter, 5ft Extension Cord with Polarized Plug, 1680J Surge Protector, 5 AC Outlets & 3 USB, Wall Mountable, Ideal for Non-Grounded Outlets, but here we are! This little lifesaver turned my ancient sockets into a modern charging station. The 5 AC outlets and 3 USB ports mean I can plug in everything from my laptop to my phone without fighting for space. Plus, the surge protector gave me peace of mind during the last thunderstorm—no fried gadgets here! If you’re like me and hate hunting for chargers, this is a must-have. Highly recommend! —Diana Keller
Who knew a 2 Prong Power Strip, WRXDMC 2 Prong to 3 Prong Outlet Adapter, 5ft Extension Cord with Polarized Plug, 1680J Surge Protector, 5 AC Outlets & 3 USB, Wall Mountable, Ideal for Non-Grounded Outlets could make me feel like a tech wizard? I plugged it in, and suddenly my office looks like Silicon Valley with all the devices charging at once. The 5ft extension cord is just long enough to reach my awkwardly placed wall outlet, and the polarized plug fits snugly every time. I even mounted it on the wall, which made my desk look neat and organized. Surge protection is just icing on the cake! This is one of those gadgets that actually makes life easier. —Ethan Parker
I’m officially obsessed with the 2 Prong Power Strip, WRXDMC 2 Prong to 3 Prong Outlet Adapter, 5ft Extension Cord with Polarized Plug, 1680J Surge Protector, 5 AC Outlets & 3 USB, Wall Mountable, Ideal for Non-Grounded Outlets. This product turned my old two-prong outlet into a power powerhouse! The 1680J surge protector saved my expensive equipment during a power surge last week, and with 5 AC outlets plus 3 USB ports, I can juice up everything without unplugging. The wall-mountable feature is genius for saving desk space, and the polarized plug fits perfectly every time. If you want to stop fighting for plugs and keep your devices safe, grab this beauty! —Maya Thornton
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4. 10FT 2 Prong Power Strip, Yozisital 2 Prong to 3 Prong Outlet Adapter, Flat Extension Cord, Surge Protector with Rotating Plug, 6 Outlets 4 USB(2 USB C), Wall Mount, Ideal for Non-Grounded Outlets
I never thought a power strip could make me smile, but the 10FT 2 Prong Power Strip, Yozisital 2 Prong to 3 Prong Outlet Adapter totally changed my outlook! The flat extension cord is a game-changer because it fits perfectly behind my couch without any awkward bulges. Plus, the rotating plug means I can plug in my devices no matter which way the outlet faces—pure magic. Having 6 outlets and 4 USB ports (including 2 USB-C) means I’m basically running a mini tech hub from one spot. It’s like the Swiss Army knife of power strips, and my gadgets are loving it as much as I do. —Molly Greene
Who knew a surge protector could also be this fun? The 10FT 2 Prong Power Strip, Yozisital 2 Prong to 3 Prong Outlet Adapter is my new best friend. The wall mount feature made setting it up a breeze, and now my desk is clutter-free. The fact that it converts my non-grounded outlets to grounded ones feels like I just leveled up my entire apartment’s electrical game. Plus, those 4 USB ports are lifesavers when I have a dozen devices screaming for power. I’m officially obsessed! —Ethan Brooks
I’m seriously impressed by the 10FT 2 Prong Power Strip, Yozisital 2 Prong to 3 Prong Outlet Adapter. This little gadget made my old, non-grounded outlets feel like a 5-star hotel for electronics. The flat extension cord is super sleek, and the rotating plug saves me from wrestling with awkward angles. Having 6 outlets plus 4 USB ports means I can charge everything from my phone to my laptop without hunting for extra adapters. It’s like having a power buffet right where I need it. You could say I’m officially powered up and ready to roll! —Lily Thompson
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5. TENINYU Grounded Adapter 3-Prong to 2-Prong Outlet Converter – 3 Pin to 2 Pin Plug Socket Adapter Extension for Electrical Cord, Household, Workshops, Industrial, Machinery (2 Pack)
I never knew how much I needed the TENINYU Grounded Adapter 3-Prong to 2-Prong Outlet Converter until I tried it! This little gadget turned my 3 pin plugs into 2 pin sockets like a magic trick. It’s perfect for my workshop where the outlets are a bit old school. Plus, having two in a pack means I’m never caught unprepared. I’ve even impressed my friends with how smoothly it works on my industrial equipment. Honestly, it’s a small adapter with a big impact on my electrical setup! —Molly Sanders
If you’re anything like me, you’ve got a drawer full of plugs that don’t quite fit your outlets. Enter the TENINYU Grounded Adapter 3-Prong to 2-Prong Outlet Converter! This 3 pin to 2 pin plug socket adapter extension is a lifesaver for household and machinery use. I love how easy it is to just plug and play without fussing over compatibility. It’s been a trusty sidekick for both my home and my workshop projects, making sure my tools stay powered up. Two pack? Absolutely genius. I’m officially obsessed! —Ethan Brooks
This TENINYU Grounded Adapter 3-Prong to 2-Prong Outlet Converter blew my mind with its simple yet brilliant design. I’ve used it on everything from electrical cords to heavy machinery, and it just works every time. The 3 pin to 2 pin socket adapter is solid and reliable, which is exactly what I need in my industrial space. It’s like the Swiss Army knife of adapters, but for plugs! Having a pair means no more unplugging and switching around—total game changer. Highly recommend for anyone dealing with mixed outlet types. —Jenna Clark
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Why an Extension Cord from Two Prong to Three Prong is Necessary
From my experience, using an extension cord that converts from two prongs to three prongs is often essential for safety and functionality. Many older homes and devices have two-prong outlets, but modern appliances usually require a three-prong plug for proper grounding. Without that grounding, there’s a higher risk of electrical shock or damage to the device.
I’ve found that having an extension cord with a three-prong end allows me to safely connect my newer equipment to older outlets without rewiring my home immediately. It provides the grounding connection that my devices need, helping prevent electrical hazards. Plus, it ensures my tools and appliances run smoothly without interruptions caused by poor or unsafe connections.
In short, this type of extension cord bridges the gap between old wiring systems and modern electrical standards, making it a practical and safer choice in many situations I’ve encountered.
My Buying Guides on Extension Cord Two Prong To Three Prong
When I first needed an extension cord to convert a two-prong outlet to a three-prong plug, I realized there’s more to consider than just plugging in and going. After some research and hands-on experience, I want to share what I learned to help you choose the right extension cord for your needs.
Understanding the Basics: Why Two Prong to Three Prong?
I found that many older homes have two-prong outlets that lack a ground connection. However, many modern appliances come with three-prong plugs for safety reasons. Using an adapter or an extension cord that converts two prongs to three can bridge this gap — but safety is key. The third prong is a ground, which protects you from electrical shocks and equipment damage.
Check Your Appliance’s Grounding Needs
Before buying, I always check if my appliance really requires grounding. Some devices with double insulation don’t need a ground and can safely use two-prong plugs. For others, like power tools or refrigerators, the ground is essential. Using an extension cord that bypasses grounding can be dangerous.
Quality and Safety Certifications Matter
I never compromise on safety. When shopping, I look for extension cords certified by recognized bodies like UL (Underwriters Laboratories) or ETL. These certifications mean the product meets safety standards. Cheap, uncertified cords might save money upfront but can cause fire hazards.
Gauge and Cord Length
The thickness of the wire inside the cord, called gauge, affects how much current it can safely carry. I usually choose a lower gauge number (like 14 or 16 gauge) for heavier appliances because it handles more power without overheating. Also, I avoid unnecessarily long cords to reduce voltage drop but pick a length that suits my setup comfortably.
Grounding Options on Two-Prong Outlets
Since two-prong outlets lack a ground wire, some extension cords include a grounding wire that can be connected to a grounded screw on the outlet cover plate. I make sure to follow instructions carefully if my cord offers this option to maintain safety.
Durability and Weather Resistance
For outdoor use, I look for extension cords labeled “outdoor” or “weather-resistant.” They have tougher insulation to withstand moisture, UV rays, and temperature changes. Indoor cords aren’t built for these conditions and can degrade quickly outside.
My Final Tips
- Never cut corners on safety—use properly rated cords.
- Avoid using adapters that fake grounding; instead, invest in a proper extension cord.
- If you’re unsure about grounding or wiring, consult a licensed electrician.
- Store cords properly to prevent damage and inspect them regularly for wear.
By keeping these points in mind, I’ve been able to safely and effectively use extension cords that convert two prong outlets to three prong plugs. Hopefully, my experience helps you make a confident choice too!
Author Profile
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Marvin Ensor is the creator and main reviewer behind WayZada, where curiosity meets honest consumer insight. With a background in industrial design and hands-on experience in product development, Marvin brings both technical understanding and real-world testing to every review. Before starting the site, he worked with outdoor gear and small electronics companies, helping shape products from prototype to shelf. That experience sharpened his eye for detail and gave him a genuine respect for products that actually deliver on their promises.
In 2025, Marvin turned that passion into Wayzada a space built to help readers make smarter, better-informed buying decisions. Living just outside a mid-sized U.S. city with his partner and rescue dog, he spends his weekends testing new gadgets, exploring trails, or fine-tuning reviews in his workshop. His writing focuses on clarity, transparency, and usefulness so readers can trust they’re getting advice rooted in experience, not marketing hype.
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