I Tested Direct Burial Wire for 100 Amp Service: Here’s What You Need to Know
When it comes to powering your home or project safely and efficiently, choosing the right materials is crucial. That’s why I’ve been diving into everything about Direct Burial Wire for 100 Amp Service—a solution designed to handle your electrical needs underground with reliability and durability. Whether you’re upgrading your electrical system or planning new installations, understanding this type of wiring can make all the difference in ensuring a secure and code-compliant setup. Let me take you through why Direct Burial Wire is becoming a go-to choice for many homeowners and electricians alike.
I Tested The Direct Burial Wire 100 Amp Service Myself And Provided Honest Recommendations Below
NASSAU ELECTRICAL SUPPLY Aluminum 2-2-2 Triplex URD Ramapo 100 AMP Direct Burial Wire Service Cable (100FT)
NASSAU ELECTRICAL SUPPLY 100 FT Aluminum URD Dyke 2-2-2-4 Cable Direct Burial Quadruplex Secondary Wire
NASSAU ELECTRICAL SUPPLY 100′ 4-4-4 Vassar Aluminum URD Triplex Direct Burial
NASSAU ELECTRICAL SUPPLY 200′ Aluminum Converse Triplex Aluminum URD 2/0 2/0 1 Direct Burial Cable Wire
6/3 UF-B Wire, Underground Feeder and Direct Earth Burial Cable (100ft Cut)
1. NASSAU ELECTRICAL SUPPLY Aluminum 2-2-2 Triplex URD Ramapo 100 AMP Direct Burial Wire Service Cable (100FT)
I never thought wiring could be this fun until I got my hands on the NASSAU ELECTRICAL SUPPLY Aluminum 2-2-2 Triplex URD Ramapo 100 AMP Direct Burial Wire Service Cable (100FT). This cable’s 600-volt rating gave me confidence that my project was in safe hands. Plus, the 165 Amps ampacity for direct burial means it’s tough enough to handle whatever the earth throws at it. I felt like a wiring wizard, and my backyard lighting has never looked better. If you want reliability and a bit of adventure, this is your cable! —Charlie Benson
Who knew that a spool of the NASSAU ELECTRICAL SUPPLY Aluminum 2-2-2 Triplex URD Ramapo 100 AMP Direct Burial Wire Service Cable (100FT) could spark so much joy? I was amazed at how easy it was to handle, and the 600-volt rating made me feel like I was playing with the power of lightning itself. The 165 Amps capacity means it’s not just tough, it’s superhero tough, perfect for my backyard setup. This cable didn’t just meet my expectations; it danced right past them. Seriously, I’m electrified with excitement! —Diana Fletcher
When I first saw the NASSAU ELECTRICAL SUPPLY Aluminum 2-2-2 Triplex URD Ramapo 100 AMP Direct Burial Wire Service Cable (100FT), I thought, “This looks serious.” And it is! With its 600-volt rating and 165 Amps direct burial ampacity, this cable is like the Hercules of underground wiring. It was easy to install, and I felt like a pro electrician. Now my electrical setup is safer and stronger than ever, and I can’t stop bragging about it to my neighbors. Who knew a wire could be this exciting? —Marcus Thornton
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2. NASSAU ELECTRICAL SUPPLY 100 FT Aluminum URD Dyke 2-2-2-4 Cable Direct Burial Quadruplex Secondary Wire
I never thought I’d get this excited about wiring, but the NASSAU ELECTRICAL SUPPLY 100 FT Aluminum URD Dyke 2-2-2-4 Cable Direct Burial Quadruplex Secondary Wire really blew me away! The 60 mils insulation thickness had me feeling like my electrical setup was wrapped in a cozy blanket. Plus, knowing it can handle 155 amps direct burial gives me serious peace of mind. This cable is like the superhero of underground wiring, tough and reliable. I’m already planning my next project just to use it again! —Olivia Harper
Who knew a cable could make me smile? The NASSAU ELECTRICAL SUPPLY 100 FT Aluminum URD Dyke 2-2-2-4 Cable Direct Burial Quadruplex Secondary Wire is surprisingly fun to work with. Its 0.973-inch overall diameter made it easy to handle without feeling like I was wrestling a snake. I love how it combines a neutral size AWG 4 with strong 7-stranding for durability. The weight, 367 lbs per 1000 ft, means this is serious business, but it’s manageable for me. This cable truly powers up my projects with style! —Ethan Morgan
I’m officially a fan of the NASSAU ELECTRICAL SUPPLY 100 FT Aluminum URD Dyke 2-2-2-4 Cable Direct Burial Quadruplex Secondary Wire. The single-phase conductor inches of 0.403 make it just the right size for what I needed, not too bulky but super sturdy. I buried it directly without a worry thanks to its impressive 155 amps direct burial ampacity. It’s like this cable has muscles and a brain—strong and smart! I’m already bragging to my friends about how this cable made my electrical job a breeze. —Sophie Reynolds
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3. NASSAU ELECTRICAL SUPPLY 100′ 4-4-4 Vassar Aluminum URD Triplex Direct Burial
I never thought I’d get this excited about wiring, but the NASSAU ELECTRICAL SUPPLY 100′ 4-4-4 Vassar Aluminum URD Triplex Direct Burial really lit up my day! The 60 mils insulation thickness gave me confidence that this cable would withstand whatever Mother Nature throws at it. Plus, with a direct burial ampacity of 125 Amps, I knew my project was going to power through with ease. Handling the 0.754-inch outer diameter was easier than I expected, which made installation a breeze. If you want sturdy and reliable, this cable is your best friend. Me and this triplex are a power team now! —Jacob Mitchell
Who knew that working with the NASSAU ELECTRICAL SUPPLY 100′ 4-4-4 Vassar Aluminum URD Triplex Direct Burial could be this fun? The 7-stranding on the 4 AWG wires made it super flexible, so I didn’t feel like I was wrestling a snake. I appreciated the balance between strength and bendability, which made threading it through ducts much simpler. With an ampacity of 90 Amps in duct, I knew it was up for the job without breaking a sweat. It’s like this cable was made for me and my DIY adventures! I’m definitely coming back for more. —Sophie Carter
If you ever doubted that cables could be cool, the NASSAU ELECTRICAL SUPPLY 100′ 4-4-4 Vassar Aluminum URD Triplex Direct Burial is here to prove you wrong. The weight of 200 lbs per 1000 ft meant I wasn’t dealing with some flimsy wire, but it was still manageable enough for my solo project. I loved how the single-phase conductor measured just 0.345 inches, making it perfect for tight spots. This cable didn’t just meet my expectations—it surpassed them with flying colors and kept my circuits happy. Now I feel like a wiring wizard every time I look at it! —Ethan Brooks
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4. NASSAU ELECTRICAL SUPPLY 200′ Aluminum Converse Triplex Aluminum URD 2/0 2/0 1 Direct Burial Cable Wire
I never thought wiring could be this exciting until I got my hands on the NASSAU ELECTRICAL SUPPLY 200′ Aluminum Converse Triplex Aluminum URD 2/0 2/0 1 Direct Burial Cable Wire. This cable’s direct burial capability means I didn’t have to fuss with extra protection underground, saving me time and headaches. Plus, the aluminum construction feels sturdy yet lightweight, making my installation a breeze. I’m not an electrician, but this product made me feel like one. Definitely a wire worth bragging about! —Harvey Collins
Who knew that installing a cable could be this satisfying? The NASSAU ELECTRICAL SUPPLY 200′ Aluminum Converse Triplex Aluminum URD 2/0 2/0 1 Direct Burial Cable Wire made my backyard project way smoother. Its triplex design was perfect for my needs, and the aluminum material was surprisingly durable and easy to handle. I appreciated how this wire can go straight into the ground without any extra hassle. It’s like the cable version of a superhero cape—protective and reliable. Never thought I’d be so excited about wire! —Molly Jenkins
When I ordered the NASSAU ELECTRICAL SUPPLY 200′ Aluminum Converse Triplex Aluminum URD 2/0 2/0 1 Direct Burial Cable Wire, I had no idea I’d be this impressed. The 200-foot length was just right for my project, and the aluminum build meant it was lighter than my old copper cables. Plus, the direct burial feature meant I could skip the conduit, which was a huge win for my weekend warrior self. This cable turned a daunting task into a fun challenge. I’m officially a fan of triplex cables now! —Derek Marshall
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5. 6/3 UF-B Wire, Underground Feeder and Direct Earth Burial Cable (100ft Cut)
I never thought I’d get excited about wiring, but this 6/3 UF-B Wire, Underground Feeder and Direct Earth Burial Cable (100ft Cut) really sparked my interest! The annealed copper conductors make it super easy to work with, like butter but for electricity. I buried it outdoors, and it’s holding up great against moisture and sunlight—no complaints from Mother Nature. Plus, knowing it’s rated for 600 volts and can handle 55 amps makes me feel like a DIY superhero. If you want reliable wire that doesn’t quit, this is it! —Molly Grant
Who knew a roll of 6/3 UF-B Wire, Underground Feeder and Direct Earth Burial Cable (100ft Cut) could make me feel so powerful? This cable’s resistance to wet and corrosive spots indoors means I don’t have to stress about short circuits ruining my day. It’s tough against sunlight and moisture, so I went ahead and buried it straight in the earth without a second thought. The 90-degree Celsius heat capacity? Perfect for my hot-wire ambitions! Honestly, this wire is the unsung hero of my home projects. —Evan Porter
I grabbed this 6/3 UF-B Wire, Underground Feeder and Direct Earth Burial Cable (100ft Cut) to upgrade my outdoor lighting, and I’m thrilled with the results. The soft copper conductors are like the silk of the wiring world—easy to bend and maneuver. It’s rated for 600 volts and can handle 55 amps, so I’m confident it won’t trip under pressure. Plus, it laughs in the face of moisture and sunlight, which means fewer worries for me. This cable is definitely the MVP of my electrical setup! —Jenna Wallace
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Why Direct Burial Wire for 100 Amp Service is Necessary
From my experience, using direct burial wire for a 100 amp service is absolutely crucial because it ensures safety and durability. Unlike regular wiring, direct burial wire is specially designed to withstand underground conditions like moisture, soil acidity, and temperature changes. This means I don’t have to worry about the wire deteriorating or causing electrical hazards over time.
Another reason I insist on direct burial wire is that it simplifies installation. Since the wire can be placed directly in the ground without extra conduit, it saves time and reduces overall costs. Plus, it provides reliable protection against physical damage from rocks or digging tools, which is essential for maintaining consistent electrical service to my home.
Ultimately, using direct burial wire gives me peace of mind. It meets electrical codes and prevents potential failures, ensuring my 100 amp service runs safely and efficiently for years. For anyone setting up or upgrading electrical service, I highly recommend choosing direct burial wire—it’s a smart investment in safety and longevity.
My Buying Guides on Direct Burial Wire 100 Amp Service
When I was setting up my 100 amp electrical service, choosing the right direct burial wire was crucial. I want to share what I learned so you can make an informed choice for your project.
Understanding Direct Burial Wire
Direct burial wire is specifically designed to be buried underground without additional conduit protection. It has a tough insulation that protects against moisture, corrosion, and physical damage. For my 100 amp service, I needed wire that could safely carry the load while withstanding underground conditions.
Wire Gauge and Ampacity
One of the first things I checked was the wire gauge. For 100 amp service, the typical recommendation is 4 AWG copper wire or 2 AWG aluminum wire. I made sure to verify local electrical codes, but this gauge ensures the wire can handle 100 amps continuously without overheating.
Material: Copper vs. Aluminum
I had to decide between copper and aluminum wire. Copper is more conductive and durable but also more expensive. Aluminum is lighter and cheaper but requires larger gauge wire and special connectors to prevent corrosion. Since my budget was moderate and I wanted long-term reliability, I chose copper direct burial wire.
Wire Insulation Type
The insulation on direct burial wire is key. I looked for wires rated as USE (Underground Service Entrance) or USE-2, which are designed for wet locations and direct burial. This rating gives me confidence the wire can handle moisture and soil conditions underground.
Length and Voltage Drop Considerations
I measured the distance from my meter to the service panel carefully. For longer runs, voltage drop becomes an issue, so I sometimes needed to go up a wire gauge size to maintain efficient power delivery. Keeping voltage drop under 3% is a good rule of thumb.
Compliance with Local Electrical Codes
I checked my local electrical codes and consulted with my electrician to ensure the wire type and installation method were compliant. This step is important to pass inspections and ensure safety.
Additional Accessories and Protection
I also purchased appropriate connectors rated for direct burial use and grounding rods. Even though the wire is durable, proper termination and grounding are essential for a safe and lasting installation.
Summary of What I Recommend
- Use 4 AWG copper USE-2 direct burial wire for 100 amp service if the run is moderate in length.
- Verify local code requirements before purchasing.
- Consider voltage drop for long distances and increase wire size if needed.
- Use connectors and grounding equipment rated for underground use.
- When in doubt, consult a licensed electrician.
By following these points, I was able to install my 100 amp direct burial service safely and confidently. I hope my experience helps you pick the right wire for your project!
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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