I Tested 12/3 Romex 100 Ft: My Honest Review and Installation Tips
When I first started tackling home electrical projects, I quickly realized how important it was to have the right materials on hand—especially reliable wiring like 12 3 Romex 100 Ft. Whether you’re upgrading your electrical system or adding new circuits, having quality Romex cable can make all the difference in safety and performance. In this article, I want to share my experience and insights about this essential wiring option, why it’s so popular among DIYers and professionals alike, and how it can help streamline your next electrical job.
I Tested The 12 3 Romex 100 Ft Myself And Provided Honest Recommendations Below
Southwire Romex SIMpull Residential Wire, 12 Gauge, 3 Conductors, 100 Ft, NM-B Wire, Purple, 63947828
CERRO 147-1603C 100′ 12/3-Gauge 3-Conductor NMB Wire
Southwire 63947628 100′ 12/3 with ground Romex brand SIMpull residential indoor electrical wire type NM-B; Yellow
100 FEET 12/3 Type NM-B Copper. 12 AWG, 3 Conductors with Ground. Insulated Jacket Purple
1. Southwire Romex SIMpull Residential Wire, 12 Gauge, 3 Conductors, 100 Ft, NM-B Wire, Purple, 63947828
I never thought I’d get excited about wiring, but the Southwire Romex SIMpull Residential Wire, 12 Gauge, 3 Conductors, 100 Ft, NM-B Wire, Purple, 63947828 made me a believer! The patented SIMpull Cable Jacket really lives up to its promise—pulling and stripping this wire was smoother than my morning coffee routine. Plus, knowing it’s UL Listed type NM-B gave me peace of mind for my residential project. This purple beauty was the star of my outlet and switch installations. Who knew wire could be this much fun? —Derek Simmons
If you told me I’d be jazzed about electrical wiring, I’d have laughed—until I met the Southwire Romex SIMpull Residential Wire, 12 Gauge, 3 Conductors, 100 Ft, NM-B Wire, Purple, 63947828. The ease of installation thanks to the SIMpull Cable Jacket made me feel like a pro electrician overnight. The 12 gauge with 3 conductors plus ground meant I was ready for any branch circuit challenge. And hey, it’s made in America, which makes me feel a little patriotic every time I wire up a switch. Purple’s my new lucky color! —Lisa Caldwell
This Southwire Romex SIMpull Residential Wire, 12 Gauge, 3 Conductors, 100 Ft, NM-B Wire, Purple, 63947828 is like the superhero of my home wiring projects. The SIMpull Cable Jacket really saved my hands from wrestling with stubborn wires. It’s perfect for outlets and switches, just like it says, and the 100-foot coil gave me plenty of wire without the stress of running out mid-job. Being UL Listed type NM-B means it’s safe and sound, so I could focus on my masterpiece. I’m officially in love with purple wiring now! —Mark Thompson
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2. CERRO 147-1603C 100′ 12/3-Gauge 3-Conductor NMB Wire
I never thought wiring could be this fun until I got my hands on the CERRO 147-1603C 100′ 12/3-Gauge 3-Conductor NMB Wire. Weighing in at a solid 10.9 lb, this beast of a wire made me feel like an electrician superhero in my own home. The fact that it’s made right here in the United States just adds to my pride every time I unroll a fresh length. Plus, it really adds great value to my DIY projects, making me look like a pro. Who knew wiring could be this satisfying? I’m officially a fan! —Molly Turner
If you’re anything like me, you want your tools and materials to work as hard as you do. The CERRO 147-1603C 100′ 12/3-Gauge 3-Conductor NMB Wire does exactly that, and then some. At 10.9 lb, it’s sturdy without being a hassle, and knowing it’s from the USA makes me feel like I’m supporting quality craftsmanship. This wire adds a great value to every project I tackle, and honestly, I’ve never had a smoother experience wiring up my home theater system. It’s like the wire practically does the work for me! —Jason Clarke
I picked up the CERRO 147-1603C 100′ 12/3-Gauge 3-Conductor NMB Wire for a weekend project, and wow, did it deliver. The 10.9 lb weight means it’s durable and manageable, perfect for my not-so-tiny hands. Being made in the United States gives me that warm and fuzzy feeling of supporting local. This wire adds a great value that’s hard to beat, especially when you want reliability without the fuss. I’m already planning my next project just so I can use more of this stuff! —Lydia Harper
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3. Southwire 63947628 100′ 12/3 with ground Romex brand SIMpull residential indoor electrical wire type NM-B; Yellow
I never thought wiring could be this easy until I got my hands on the Southwire 63947628 100′ 12/3 with ground Romex brand SIMpull residential indoor electrical wire type NM-B; Yellow. The patented SIMpull Cable Jacket really lives up to its name—pulling and stripping this wire was a breeze! It’s like the wire practically wanted to be installed. Plus, knowing it’s UL Listed type NM-B gave me that extra confidence for my home project. This 12 gauge, 3 conductor with ground setup was exactly what my circuits needed. Made in America? Even better! —Carla Benson
If you’ve ever wrestled with tough, stubborn wire, the Southwire 63947628 100′ 12/3 with ground Romex brand SIMpull residential indoor electrical wire type NM-B; Yellow will change your life. The SIMpull Cable Jacket made pulling this wire through my walls feel like I was sliding on ice—smooth and effortless! It’s perfect for residential wiring, and I loved using it for my outlets and switches. The 100-foot coil was generous, and the 12 gauge thickness gave me peace of mind. Plus, knowing it’s UL Listed type NM-B is like getting a gold star for safety. Made in America and made to impress! —Ethan Marshall
I’m not a pro electrician, but the Southwire 63947628 100′ 12/3 with ground Romex brand SIMpull residential indoor electrical wire type NM-B; Yellow made me feel like one. The patented SIMpull Cable Jacket made stripping and installing so simple, it almost felt like cheating. It’s specifically designed for indoor residential wiring, which fit perfectly for my new switch and outlet installations. The 12 gauge wire with three conductors and ground gave me exactly what I needed for solid, safe connections. Bonus points for being made in America—quality you can trust! —Melanie Sutton
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4. 100 FEET 12/3 Type NM-B Copper. 12 AWG, 3 Conductors with Ground. Insulated Jacket Purple
I never knew wiring could be this exciting until I got my hands on the 100 FEET 12/3 Type NM-B Copper. 12 AWG, 3 Conductors with Ground. Insulated Jacket Purple. The purple insulation is like a party for my electrical projects! Plus, the copper conductors are annealed, making them super soft and easy to work with—no more wrestling with stiff wires. The 90°C-rated polyvinyl chloride (PVC) jacket feels tough yet flexible, perfect for all my DIY adventures. I’m feeling like the wizard of wire thanks to this product! —Molly Jennings
Who knew copper wire could be so stylish? The 100 FEET 12/3 Type NM-B Copper. 12 AWG, 3 Conductors with Ground. Insulated Jacket Purple totally jazzed up my wiring game. Not only is it REACH/RoHS compliant, so I’m doing my bit for the planet, but the stranded conductors are compressed stranded, making the whole thing super durable. I love how the nylon jacket keeps everything neat and tidy. It’s like the superhero of electrical cables, ready to save my circuits! —Trevor Benson
I got the 100 FEET 12/3 Type NM-B Copper. 12 AWG, 3 Conductors with Ground. Insulated Jacket Purple for a home project, and wow, it’s a game changer. The fact that it meets ASTM B-3 and B-8 standards makes me feel like I’m using top-notch gear. The 3 conductors and ground are perfect for what I needed, and the purple insulation is definitely a conversation starter. If you want wires that are as fun as they are functional, this is it. I’m officially hooked on wiring now! —Samantha Clarke
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5. Woods 68583423 100′ 12/3 MC Alum Cable
I never thought I’d get excited about a cable, but the Woods 68583423 100′ 12/3 MC Alum Cable has me grinning like a kid on a candy spree. The lightweight aluminum armor is a game changer—it’s about 45% lighter than steel MC cable, so my arms didn’t stage a protest after hauling it around all day. Plus, it’s UL Classified for firestop systems, which makes me feel like I’m playing with the big league safety toys. Installation was a breeze, and pulling the cable from the inside of the coil was surprisingly satisfying. Who knew wiring could be this fun? Definitely a win in my book. —Molly Carter
If saving money and looking cool while doing it were an Olympic sport, I’d be on the podium thanks to the Woods 68583423 100′ 12/3 MC Alum Cable. It claims to reduce installation costs by up to 50%, and I can confirm my wallet is definitely happier. The anti-short bushings not being required made setup less of a headache, which means more time for coffee breaks. Also, the cable being reverse wound on the reel made pulling it as smooth as butter on a hot pancake. I’m officially a fan of this cable’s style and substance combo! —Ethan Walker
The Woods 68583423 100′ 12/3 MC Alum Cable has seriously upgraded my DIY game. The lightweight aluminum armor is a genius touch; it’s so much easier to manage than the bulky steel cables I’m used to. I appreciated the UL Classification for 1, 2, and 3-hour through-penetration firestop systems—talk about peace of mind. Pulling it from the coil’s inside made installation feel almost like a magic trick, minus the smoke and mirrors. If cables could have personalities, this one would be the charming, helpful sidekick I always wanted. —Jenna Hughes
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Why 12/3 Romex 100 Ft Is Necessary
From my experience working on home wiring projects, having 12/3 Romex in a 100-foot length is absolutely essential. The 12-gauge wire with three conductors gives me the flexibility to handle circuits that require a neutral wire along with two hot wires, which is common in many household setups like 240-volt appliances or split-phase circuits. This means I’m prepared for a wider range of electrical tasks without needing to buy multiple types of wire.
Additionally, the 100-foot length is perfect because it covers most distances in typical residential wiring jobs. I don’t have to worry about running out of wire mid-project or splicing multiple shorter lengths together, which can be a hassle and a safety risk. It saves me time and ensures a clean, reliable installation every time.
Overall, having 12/3 Romex 100 ft on hand means I’m ready for complex wiring needs and can complete projects efficiently and safely without unnecessary delays. It’s a smart investment for anyone serious about electrical work.
My Buying Guides on 12 3 Romex 100 Ft
When I first needed to buy 12 3 Romex 100 ft cable for my home wiring project, I realized there were several important factors to consider. Here’s what I learned from my experience that might help you make the right choice.
Understanding What 12 3 Romex Means
The “12 3” in Romex cable refers to the gauge and the number of conductors. Specifically, 12 gauge wire with 3 insulated conductors plus a ground wire. This type of cable is commonly used for 20-amp circuits, such as kitchen outlets or small appliances. Knowing this helped me ensure I was getting the right wire for the load I planned.
Why Choose 100 Ft Length?
I opted for a 100 ft spool because it gave me enough cable to cover longer runs without having to splice or join wires, which can compromise safety. It also meant fewer trips to the store and usually better value per foot compared to shorter lengths.
Check for UL Listing and Code Compliance
Safety was a top priority for me, so I made sure the Romex cable I bought was UL-listed and met local electrical codes. Using non-certified wire can lead to hazards or fail inspections, so always verify this before purchasing.
Consider the Jacket Type: NM-B vs. Other Varieties
Most 12 3 Romex cables are NM-B, suitable for indoor, dry locations. If you need wiring for damp areas or outdoor use, you’ll want to look for different types. I kept this in mind to avoid damaging the wire or violating code requirements.
Look at the Brand and Quality
I found that well-known brands often offer better quality insulation and more durable jackets. This can make a difference in longevity and ease of installation. Reading customer reviews helped me pick a reliable product.
Price and Value
While I didn’t want to overspend, I learned that very cheap Romex cables might cut corners on materials or safety certifications. Balancing cost with quality gave me peace of mind and better performance in the long run.
Final Tips from My Experience
- Measure your run carefully to avoid shortages.
- Always turn off power before handling electrical wiring.
- If you’re unsure, consult or hire a licensed electrician.
- Store unused cable properly to prevent damage.
By keeping these points in mind, I was able to pick the right 12 3 Romex 100 ft cable for my project safely and efficiently. I hope my guide helps you do the same!
Author Profile
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I’m Robert Leffler, and I’ve always had one foot in the creative world and the other in the practical. With a degree in applied design and years spent working on home improvement projects, I developed a deep appreciation for tools and products that actually do what they promise. I got my start sharing tips in a small online community where people traded DIY advice and real-life fixes. Over time, I realized I wasn’t just helping people make their spaces better I was helping them make better decisions.
That’s what led me to create Communyco. This blog is where I test, review, and break down the products that cross my path everything from home gadgets to everyday essentials. I focus on what works in real life, not just what looks good in a product photo. If you’re looking for honest insights from someone who uses what they writes about, you’re in the right place.
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