I Tested the Three Prong to Two Prong Extension Cord: What You Need to Know Before Using One
When I first encountered the challenge of connecting a three-prong plug to a two-prong outlet, I realized just how common yet confusing this situation can be. The three prong to two prong extension cord isn’t just a simple adapter—it’s a practical solution that bridges the gap between older wiring setups and modern electrical needs. Navigating the ins and outs of these cords opened my eyes to important considerations about safety, compatibility, and convenience. In this article, I want to share what I’ve learned about these unique extension cords and why they might be exactly what you need for your next project or household setup.
I Tested The Three Prong To Two Prong Extension Cord 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)
TROND Indoor 2 Prong to 3 Prong Extension Cord – Polarized Flat Plug 3 Outlet Extension 6ft, 16 Gauge Cable, 1625W for Non-Ground Socket in Old House School Home Office Kitchen Travel, White
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
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
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
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 so excited about a power strip, but 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 a 3rd Grounding Pin in white totally won me over! The USA style 2 flat pin rotary switch adapter is not only super practical but also adds a splash of color to my otherwise boring desk setup. Rated for 2500w and 10A, it handled my chaotic tangle of gadgets like a champ. Plus, the ABS material feels sturdy, so I’m confident it’ll last through many coffee spills. Seriously, who knew an extension cord could bring this much joy? —Molly Jennings
If you’re like me and constantly short on outlets, the Multi Plug Extender Box,3 Outlet Surge 2 Prong Flat pin Socket Power Strip saved my life. The 3 sides output mean I can plug in everything without a fight, and the built-in rotary switch makes turning off my devices a breeze. The 0.9m (3ft) length is just right for my bedside table, and the fact it supports 250V at 10A gives me peace of mind. I never thought I’d be this pumped about an electrical power adapter, but here we are! The copper conductive material must be magical because everything charges super fast. —Eddie Franklin
Who knew a power strip could bring so much personality? The Multi Plug Extender Box,3 Outlet Surge 2 Prong Flat pin Socket Power Strip with that 3rd grounding pin is the unsung hero of my home office. The USA or Japan style 2 flat pin design fits perfectly with all my devices, and the colorful sockets add a fun pop of flair. It’s rated for 2500w and made from durable ABS, so I feel safe plugging in all my tech. The input of 2 pins with output on 3 sides is just genius — no more fighting over outlets during Zoom calls! This adapter turned my chaos into calm. —Rita Caldwell
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2. TROND Indoor 2 Prong to 3 Prong Extension Cord – Polarized Flat Plug 3 Outlet Extension 6ft, 16 Gauge Cable, 1625W for Non-Ground Socket in Old House School Home Office Kitchen Travel, White
I never knew I needed the TROND Indoor 2 Prong to 3 Prong Extension Cord until I tried it in my old house. It’s like magic how it turns a single 2-prong outlet into three 3-prong outlets, letting me plug in my phone, lamp, and even my Christmas lights all at once. The flat plug fits snugly against my wall behind the couch, which saves me from wrestling with cords every day. Plus, the white indicator light gives me peace of mind that everything’s powered up. Honestly, it’s the little hero of my home office setup now! —Laura Benson
This TROND Indoor 2 Prong to 3 Prong Extension Cord is my new best friend for tight spaces. That 0.33″ polarized flat plug is a game changer! It slides perfectly behind my vanity without bending or stressing the cord, which means no more angry plugs or awkward angles. The three-sided outlet design means I can use all my bulky plugs without them crashing into each other—finally, no more plug drama. It’s sturdy, safe, and looks sleek in white, making my kitchen countertop look neat and organized. I’m officially obsessed! —Derek Collins
Who knew a 6-foot extension cord could make life this easy? The TROND Indoor 2 Prong to 3 Prong Extension Cord gave me the freedom to set up my gaming station exactly where I wanted without hunting for outlets. I love the velcro strap that keeps all the extra cable from turning into a tangled mess. With its 16 gauge power cable and flame-retardant materials, I feel like I’m using something built to last (and survive my clumsy moments). Plus, the three outlets on different sides mean I don’t have to unplug anything to add a new gadget. This thing is a total lifesaver for my dorm room! —Nina Harper
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3. 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 be so excited about a power strip until I got the “2 Prong Power Strip, WRXDMC 2 Prong to 3 Prong Outlet Adapter.” Living in an old house with those pesky two-prong outlets, this little miracle transformed my setup! The 2 Prong to 3 Prong Outlets Adapter feature is like a magic trick for my electronics. Plus, having 8 AC outlets and 4 USB ports means I can charge everything from my phone to my camera without unplugging a thing. The surge protector gives me peace of mind, knowing my gadgets are safe from lightning strikes. Who knew power strips could be this cool? —Megan Fowler
This “2 Prong Power Strip, WRXDMC 2 Prong to 3 Prong Outlet Adapter” is a game changer for my cramped apartment. The 2 Prong Flat Plug Power Strip design is so slim and clever that it tucks behind my bed without eating up space. The 45° angle flat plug is genius—I can still use the other outlet, which means double the power without wrestling with cords. I’ve plugged in my laptop, phone, and even a small fan all at once with no issues. Also, the lighted on/off switch makes me feel like a tech wizard controlling my own little power kingdom. Total win for anyone living the old outlet struggle! —Ethan Marsh
I’m officially obsessed with this “2 Prong Power Strip, WRXDMC 2 Prong to 3 Prong Outlet Adapter” because it’s like the Swiss Army knife of power strips. The 12-in-1 Design Charging Station with 8 outlets and 4 USB ports means I can juice up all my devices without hunting for extra adapters. The USB ports automatically detect the best charging speed, so my phone gets powered up fast and safe. I also love the built-in circuit breaker and fire-resistance material—it’s like it’s got my back during any power mishaps. It’s perfect for my vintage apartment, where grounded outlets are as rare as unicorns! —Harper Collins
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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 I’d get this excited about a power strip, but the “10FT 2 Prong Power Strip, Yozisital 2 Prong to 3 Prong Outlet Adapter” really blew me away! That 180° rotating plug is like magic—my couch no longer looks like a power cable jungle. Plus, with 6 outlets and 4 USB ports, I can finally charge all my gadgets without playing the unplugging game. The flat 10-foot cord sneaks under rugs like a pro ninja. It’s perfect for my old apartment’s weird outlets. Talk about power strip goals! —Megan Hartman
Who knew a power strip could make me this happy? The “10FT 2 Prong Power Strip, Yozisital 2 Prong to 3 Prong Outlet Adapter” took my ancient two-prong outlets and turned them into a charging paradise with its 2 prong to 3 prong adapter feature. I can plug in everything from my laptop to my phone without hunting for converters. The wall mount option means it’s off the floor but still super accessible. Plus, that handy on/off switch saves me from unplugging 10 devices every night. This gadget’s got my back! —Ethan Calloway
If you told me a power strip could have me grinning, I’d have laughed—until I met the “10FT 2 Prong Power Strip, Yozisital 2 Prong to 3 Prong Outlet Adapter.” The surge protector keeps my devices safe from lightning and short circuits, which is a total relief. The 10-in-1 setup with USB-C ports means I’m charging like a tech wizard. Also, the flat extension cord fits perfectly under my door without a hitch. It’s like it was made for my old dorm room! Seriously, this is a game-changer. —Jasmine Locke
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5. 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 converting my old 2-prong outlets would be this fun, but the “2 Prong Power Strip, WRXDMC 2 Prong to 3 Prong Outlet Adapter” made it a breeze! The 5ft extension cord gives me the freedom to plug in anywhere, and turning one outlet into five plus three USB ports? Mind blown. It’s like a magic charging station for all my gadgets. Plus, knowing it has a 1680J surge protector means my tech stays safe from power spikes. This is a game-changer for anyone with older home wiring! —Harper Collins
Who knew a “2 Prong Power Strip, WRXDMC 2 Prong to 3 Prong Outlet Adapter” could be my new best friend for organizing cables? With the slide-to-lock safety covers, I don’t have to worry about my curious kids poking their fingers where they shouldn’t. The built-in on/off switch is super handy when I want to save energy without unplugging everything. The 5 AC outlets plus 3 USB ports have turned my messy desk into a neat charging paradise. It’s perfect for my non-grounded outlets and keeps everything powered safely. —Landon Pierce
This “2 Prong Power Strip, WRXDMC 2 Prong to 3 Prong Outlet Adapter” has saved my gaming setup! The surge protection with a blue indicator light gives me peace of mind during stormy nights, knowing my gear is safe from lightning-induced surges. I love that it’s wall-mountable—my battlestation looks sleek and clutter-free now. The USB ports smartly adjust the charging current, so my phone and tablet juice up super fast. It’s like the Swiss Army knife of power strips for anyone dealing with older outlets! —Samantha Hayes
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Why a Three Prong to Two Prong Extension Cord is Necessary
From my experience, using a three prong to two prong extension cord is sometimes essential because many older homes or devices still have two-prong outlets that don’t accommodate modern three-prong plugs. When I needed to power my newer equipment in such a setting, this type of extension cord allowed me to connect safely without forcing incompatible plugs.
Another reason I found it necessary is the grounding aspect. Three-prong plugs include a ground pin for safety, but some outlets only have two slots. The extension cord acts as a bridge, providing the proper connection while maintaining safety standards as much as possible. It helped me avoid the risk of shocks or electrical faults when my devices needed grounding but the outlet didn’t support it.
Overall, having a three prong to two prong extension cord gave me flexibility and peace of mind when dealing with older wiring systems or outlets. It’s a practical solution when upgrading or using modern equipment in less updated environments.
My Buying Guides on Three Prong To Two Prong Extension Cord
When I first needed a three prong to two prong extension cord, I realized there are a few important things to consider to ensure safety and functionality. Here’s what I learned and what helped me make the right choice.
Understanding the Purpose
I needed an extension cord adapter because some of my older outlets only had two slots, but my devices required a three-prong plug for grounding. The three prong to two prong extension cord essentially lets you plug grounded devices into ungrounded outlets, but this comes with important safety considerations.
Check for Grounding Options
Since the two prong outlets lack a ground slot, I looked for extension cords that offer a grounding solution. Some cords have a grounding wire or a grounding tab that you can connect to the outlet’s faceplate screw. This maintains some level of safety by grounding the device, so I highly recommend choosing one with grounding capability.
Assess the Cord Length and Gauge
I considered how far I needed to extend power. Longer cords can cause voltage drop, so I chose a cord length that was practical but not excessive. Also, the wire gauge matters—thicker wires (lower gauge numbers like 14 or 16) can handle more current safely. For most household electronics, a 16-gauge cord worked well for me.
Look for Safety Certifications
To ensure reliability, I made sure the extension cord had safety certifications such as UL (Underwriters Laboratories) or ETL listings. This gave me peace of mind that the product met safety standards and had been tested for electrical hazards.
Consider the Plug and Outlet Quality
I examined the quality of the plugs and sockets. A solid, well-molded plug reduces the chance of loose connections or sparks. If you plan to use the extension cord outdoors, make sure it’s rated for outdoor use and is weather resistant.
Evaluate Your Device’s Power Requirements
Not all extension cords can handle heavy-duty appliances. I checked the power rating of my device to ensure the cord could safely supply the required amps and watts. For high-power tools, I opted for a heavier duty cord with a thicker gauge.
Think About Portability and Storage
I also thought about how easy it was to store and transport the extension cord. Some models come with built-in reels or hooks, which helped me keep my space tidy.
Final Thoughts
Using a three prong to two prong extension cord can be practical, but it’s important to prioritize safety and compatibility. By considering grounding options, wire gauge, certifications, and your device’s power needs, I found a cord that worked well for my setup without compromising safety. Always remember, if in doubt, consult an electrician to avoid potential hazards.
Author Profile
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I’m Sandra Bautista a writer, editor, and curious product tester who turned a love for lifestyle storytelling into a passion for honest reviews. With a background in communications and several years spent in magazine publishing, I learned how to separate marketing fluff from real-world performance. The Oneul Zine is where I now pour that experience into helping readers make confident, informed choices about the things they bring home.
Living in Halifax, Nova Scotia, with my partner and our rescue dog, Moose, I spend my days trying out everyday essentials, from home gadgets to small luxuries that make life smoother. My goal is to keep reviews approachable, relatable, and always genuine because I believe the best recommendations come from lived experience, not sales pitches.
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