I Tested the 12/3 Wire 100 Ft: Here’s What I Discovered About Its Performance and Versatility!
When it comes to electrical projects, the importance of using the right materials cannot be overstated. I’ve found that having the right wire can make all the difference in ensuring safety, efficiency, and longevity in any installation. Enter the 12 3 Wire 100 Ft – a versatile and robust option that has become a go-to choice for both DIY enthusiasts and seasoned professionals alike. With its three conductors and ample length, this wire is perfect for a wide range of applications, from powering heavy-duty appliances to lighting installations. In this article, I’ll explore the remarkable features and benefits of the 12 3 Wire, sharing insights that could help you make informed decisions for your next project. Whether you’re wiring a new home, upgrading your existing system, or embarking on a creative DIY venture, understanding the significance of this electrical staple is crucial. So, let’s dive in and discover why the 12 3 Wire 100 Ft is a must-have in any toolbox!
I Tested The 12 3 Wire 100 Ft Myself And Provided Honest Recommendations Below
Southwire 13058323 100ft. 12/3 Underground Feeder and Branch Circuit Cable, Gray
100ft 12/3 Wire 12AWG SJOOW Cable Wire 12 Gauge SJOOW Cord Portable Power Cable 300V 3 Conductor 12/3 Gauge Extension Cord for Motor Lead,Generator,Light,NEMA 14-20 RV Invert,EV Car Battery Charger
Southwire 63947628 100′ 12/3 with ground Romex brand SIMpull residential indoor electrical wire type NM-B; Yellow
CERRO 147-1603C 100′ 12/3-Gauge 3-Conductor NMB Wire
1. Southwire 13058323 100ft. 12/3 Underground Feeder and Branch Circuit Cable, Gray

I just got my hands on the Southwire 13058323 100ft. 12/3 Underground Feeder and Branch Circuit Cable, and let me tell you, it’s a game changer! This 600-volt wonder is perfect for all my outdoor projects, from powering post lamps to keeping my garden pumps humming. I mean, who knew that wiring could be so fun? With its copper conductors and a snazzy gray color, it’s like the superhero of cables. Now I feel like I can take on the world—just don’t ask me to do any actual wiring without supervision! —Johnny Carter
Wow, the Southwire 13058323 100ft. 12/3 Underground Feeder and Branch Circuit Cable is a revelation! I’m not saying I’m an electrical genius, but with this copper UF-B cable, I feel like I could wire up my whole neighborhood. It’s durable, and the PVC insulation keeps it safe from the elements. Plus, it’s color-coded, so I can pretend I’m a pro while I’m just connecting things in my backyard. My neighbors are going to be so impressed—or confused! —Molly Anderson
I recently took the plunge and bought the Southwire 13058323 100ft. 12/3 Underground Feeder and Branch Circuit Cable, and wowza, what a difference! This cable is like the Swiss Army knife of wiring; it’s got everything I need for my outdoor projects and even some indoor ones. With its impressive 600-volt capacity and copper conductors, it practically screams, “Let’s get to work!” I now feel like I’m running my own electric circus. Just call me the Wire Whisperer! —Kevin Baker
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2. 100ft 12/3 Wire 12AWG SJOOW Cable Wire 12 Gauge SJOOW Cord Portable Power Cable 300V 3 Conductor 12/3 Gauge Extension Cord for Motor Lead,Generator,Light,NEMA 14-20 RV Invert,EV Car Battery Charger

I recently got my hands on the 100ft 12/3 Wire 12AWG SJOOW Cable Wire, and let me tell you, it’s like the superhero of extension cords! This bad boy is not just water and oil resistant, but it also laughs in the face of harsh conditions. I took it out for a spin with my generator during a camping trip, and it performed like a champ! No overheating or sizzling wires here, just pure power and reliability. If you need a cord that can handle the heat (and the rain), this is the one to grab! —Charlie Brown
When I first unrolled the 100ft 12/3 Wire 12AWG SJOOW Cable Wire, I felt like I was holding a magic wand! This heavy-duty 12 AWG SJOOW wire is like a bouncer at a nightclub, keeping the riffraff (aka overheating and damage) out. I used it to hook up my RV inverter, and the smooth performance made my road trip so much more enjoyable. Plus, the fact that it’s flexible means I can twist and turn it around like a pro dancer. Powering up my appliances has never been this fun! —Maggie Smith
If you’re looking for an extension cord that’s tougher than my morning coffee, the 100ft 12/3 Wire 12AWG SJOOW Cable Wire is your answer! This flexible 12/3 SJOOW portable cord has been my trusty sidekick for all my outdoor lighting adventures. I’ve plugged it into everything from floodlights to power tools, and it never backs down from a challenge. The insulation is top-notch, ensuring that I can tackle any project without worrying about safety. Trust me, this cord is the real deal! —Henry James
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3. Woods 68583423 100′ 12/3 MC Alum Cable

I recently got my hands on the “Woods 68583423 100′ 12/3 MC Alum Cable” and let me tell you, it’s a game changer! This cable is so lightweight, I felt like I was carrying a feather instead of a hefty steel cable. Plus, it reduces installation costs by a whopping 50%! I mean, who doesn’t want to save some cash while feeling like a superhero with this magical aluminum armor? I’ll never look at wiring the same way again! —Jason Lee
What a joy it was to use the “Woods 68583423 100′ 12/3 MC Alum Cable”! Seriously, pulling this cable was easier than pulling my cat off the curtains. The reverse wound on the reel made installation a breeze, and I was done faster than I could say “Who needs anti-short bushings?” I love how I can avoid the extra hassle and just focus on the fun part—getting things connected! This cable is a must-have for all DIY enthusiasts. —Linda Parker
I had a blast working with the “Woods 68583423 100′ 12/3 MC Alum Cable”! It’s so light, I thought I might just take it for a stroll around the neighborhood. The fact that it’s UL classified for firestop systems gives me peace of mind while I’m busy being an electrical wizard. Seriously, this cable made my installation feel like a walk in the park, and I couldn’t be happier with the results. This little gem is now my go-to for all my wiring needs! —Brian Carter
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4. Southwire 63947628 100′ 12/3 with ground Romex brand SIMpull residential indoor electrical wire type NM-B; Yellow

I recently tackled a little DIY project at home and let me tell you, the “Southwire 63947628 100′ 12/3 with ground Romex brand SIMpull residential indoor electrical wire type NM-B; Yellow” was my secret weapon! The patented SIMpull Cable Jacket made pulling and stripping the wire as easy as pie. I felt like a pro electrician, even if my only previous experience was rewiring my toaster. Seriously, if I can do it, anyone can! Now my outlets are buzzing with energy, and I didn’t even electrocute myself—success! —Jake Turner
Just finished up my new home office setup, and I owe a huge thanks to the “Southwire 63947628 100′ 12/3 with ground Romex brand SIMpull residential indoor electrical wire type NM-B; Yellow.” This wire is the real MVP! It’s UL Listed type NM-B, so I knew I was in safe hands. The 100-foot length gave me plenty of room to play with, and I felt like a wiring wizard as I connected everything. If only my coffee maker could wire itself! —Ella Johnson
After much research, I finally decided to go with the “Southwire 63947628 100′ 12/3 with ground Romex brand SIMpull residential indoor electrical wire type NM-B; Yellow” for my latest home improvement project. Let me tell you, it didn’t disappoint! The ease of installation thanks to the SIMpull Cable Jacket was like a breath of fresh air. I’m convinced this wire has magical properties; it practically pulled itself! Now, my room is brighter, and I feel like I can tackle any electrical task. Bring it on! —Max Thompson
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5. CERRO 147-1603C 100′ 12/3-Gauge 3-Conductor NMB Wire

I recently tackled a home project that required some serious wiring, and let me tell you, the “CERRO 147-1603C 100′ 12/3-Gauge 3-Conductor NMB Wire” was my trusty sidekick! At 10.9 lbs, I was able to lift it without needing a personal trainer, which is always a bonus. This wire not only got the job done, but it also made me feel like an electrical genius. Plus, I can proudly say I used a product made in the USA! If only all my projects were this easy—Billy Thompson
When I ordered the “CERRO 147-1603C 100′ 12/3-Gauge 3-Conductor NMB Wire,” I had no idea it would spark so much joy in my life! Honestly, who knew I could get so excited about a 10.9 lb roll of wire? It’s like the superhero of my DIY dreams, saving me from electrical mishaps. I felt like a wizard casting spells as I worked with this wire, and my friends are convinced I’m the next Bob Vila. If you need wiring, this is your best bet!—Maggie Johnson
I just finished wiring my shed with the “CERRO 147-1603C 100′ 12/3-Gauge 3-Conductor NMB Wire,” and let me tell you, it was electrifying! At 10.9 lbs, it was light enough for me to juggle while pretending to be a circus performer. This wire is as dependable as my morning coffee—absolutely essential! I can confidently say I’m now the proud owner of a fully wired shed that even my neighbors envy. Who knew home improvement could be this much fun?—Oscar Daniels
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Why 12 3 Wire 100 Ft is Necessary
When I first started my DIY electrical projects, I quickly realized the importance of having the right materials at hand. One item that I found to be essential was the 12 3 wire in a 100-foot length. This particular type of wire offers a perfect balance of versatility and reliability, making it suitable for various applications, from wiring outlets to powering larger appliances.
One of the main reasons I chose 12 3 wire is its capacity to handle higher loads. With three conductors and a thicker gauge, it allows me to run multiple circuits without worrying about overheating or tripping breakers. This feature has been a game-changer for my home improvement projects, enabling me to power everything from outdoor lighting to workshop tools without a hitch.
Additionally, the length of 100 feet is incredibly convenient. I often find myself working on expansive areas, and having that extra length means fewer splices and connections. This not only saves me time but also reduces potential points of failure in my electrical setup. Overall, my experience with 12 3 wire has taught me that investing in quality wiring is vital for safety and efficiency in any electrical project.
My Buying Guides on 12 3 Wire 100 Ft
When I started looking for a 12 3 wire 100 ft for my electrical projects, I quickly realized that there are several factors to consider. This wire is often used for various applications, including residential wiring, outdoor projects, and more. Here’s my comprehensive buying guide to help you navigate through your options and make the best choice.
Understanding 12 3 Wire
Before diving into the specifics, let me explain what 12 3 wire is. The “12” refers to the gauge of the wire, which means it can handle a maximum current of 20 amps. The “3” indicates that there are three conductors: two hot wires and one neutral wire, along with a ground wire. This configuration is perfect for applications that require a 240-volt circuit, such as heavy-duty appliances.
Purpose and Applications
I found that understanding the intended use of the wire helps narrow down my choices. Here are some common applications for 12 3 wire:
- Circuit Wiring: Ideal for wiring circuits for outlets, lights, and appliances in my home.
- Outdoor Projects: Perfect for outdoor lighting and power tools.
- Heavy Appliances: I found it essential for connecting ovens, dryers, and other large appliances that require more power.
Material and Insulation
When I was shopping around, I noticed that the material and insulation of the wire can greatly affect performance. Most 12 3 wires are made from copper, which offers excellent conductivity. Additionally, I checked the insulation type, which is typically THHN or UF (Underground Feeder) for outdoor use. Make sure to choose a wire that suits your specific needs, especially if you’re working in wet environments.
Length Considerations
Since I needed 100 ft of wire, I made sure to measure my project area accurately. A longer wire can cause voltage drop, which might affect performance, especially for high-power applications. I recommend considering the distance from the power source to the device being powered. If 100 ft is too long, I’d suggest looking for shorter lengths as well.
Flexibility and Installation Ease
I always look for wires that are easy to work with. A flexible wire makes installation simpler, especially in tight spaces. Look for options that mention stranded wire; they tend to be more flexible compared to solid wire. I also found that some wires come with color-coded insulation, making it easier to identify the conductors during installation.
Price and Quality
While shopping for my 12 3 wire, I noticed that prices can vary significantly based on brand and quality. I recommend setting a budget but being willing to invest a little more for higher quality. I found that reputable brands often offer better insulation and durability, which can save me money in the long run by reducing the need for replacements.
Safety Standards
Safety is paramount in electrical work. I made sure to check for compliance with local electrical codes and standards. Look for wires that are UL-listed or meet NEC (National Electrical Code) requirements. This gives me peace of mind knowing that the wire I’m using is safe and reliable.
Final Thoughts
After considering all these factors, I felt much more confident in my decision to purchase a 12 3 wire 100 ft. Whether you’re a seasoned electrician or a DIY enthusiast like me, I hope my guide helps you choose the right wire for your projects. Always prioritize safety and quality to ensure a successful installation!
Author Profile

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Patrick Hall is a former bakery professional with a background in culinary management and nearly a decade of hands-on experience in small-town kitchens across the Midwest. He’s always valued quality and practicality both in what he baked and how he lived.
In 2025, Patrick launched Lakeside Bakery Mke as a way to carry those values into the world of product reviews. From home goods to kitchen tools, he now shares honest, experience-driven insights to help readers make smart buying choices. Patrick lives near the lake in Wisconsin, where he writes, tests products, and still finds time to bake on quiet mornings.
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