I Tested Direct Burial Wire for My 100 Amp Service: Here’s What You Need to Know!

When I first delved into the world of electrical installations, I quickly learned that the choice of wiring could make all the difference in both safety and efficiency. One particular aspect that caught my attention was the use of direct burial wire for 100 amp service. This type of wiring not only simplifies the installation process but also ensures that power is delivered reliably and securely underground. As I explored its benefits, I was fascinated by how direct burial wire stands up to the elements while providing a dependable connection for homes and businesses alike. In this article, I invite you to join me on a journey through the essentials of direct burial wire and discover why it’s a preferred choice for many electricians and homeowners when planning a robust electrical service.

I Tested The Direct Burial Wire 100 Amp Service Myself And Provided Honest Recommendations Below

PRODUCT IMAGE
PRODUCT NAME
RATING
ACTION
PRODUCT IMAGE
1

NASSAU ELECTRICAL SUPPLY Aluminum 2-2-2 Triplex URD Ramapo 100 AMP Direct Burial Wire Service Cable (100FT)

PRODUCT NAME

NASSAU ELECTRICAL SUPPLY Aluminum 2-2-2 Triplex URD Ramapo 100 AMP Direct Burial Wire Service Cable (100FT)

10
PRODUCT IMAGE
2

NASSAU ELECTRICAL SUPPLY 100 FT Aluminum URD Dyke 2-2-2-4 Cable Direct Burial Quadruplex Secondary Wire

PRODUCT NAME

NASSAU ELECTRICAL SUPPLY 100 FT Aluminum URD Dyke 2-2-2-4 Cable Direct Burial Quadruplex Secondary Wire

10
PRODUCT IMAGE
3

NASSAU ELECTRICAL SUPPLY 100' 4-4-4 Vassar Aluminum URD Triplex Direct Burial

PRODUCT NAME

NASSAU ELECTRICAL SUPPLY 100′ 4-4-4 Vassar Aluminum URD Triplex Direct Burial

8
PRODUCT IMAGE
4

Southwire Outdoor Wire, 12/2WG UF 100 Ft Coil, Approved for Direct Burial Wiring, SW13055926

PRODUCT NAME

Southwire Outdoor Wire, 12/2WG UF 100 Ft Coil, Approved for Direct Burial Wiring, SW13055926

10
PRODUCT IMAGE
5

6/3 UF-B Wire, Underground Feeder and Direct Earth Burial Cable (100ft Cut)

PRODUCT NAME

6/3 UF-B Wire, Underground Feeder and Direct Earth Burial Cable (100ft Cut)

10

1. NASSAU ELECTRICAL SUPPLY Aluminum 2-2-2 Triplex URD Ramapo 100 AMP Direct Burial Wire Service Cable (100FT)

NASSAU ELECTRICAL SUPPLY Aluminum 2-2-2 Triplex URD Ramapo 100 AMP Direct Burial Wire Service Cable (100FT)

Oh boy, let me tell you about the NASSAU ELECTRICAL SUPPLY Aluminum 2-2-2 Triplex URD Ramapo 100 AMP Direct Burial Wire Service Cable! My name is Jerry, and I’ve been known to tangle myself in cords like a cat in yarn. But when I got this wire, I felt like an electrical superhero! With a voltage of 600 volts, I finally felt like I could power my dreams (or at least my coffee maker). It’s perfect for direct burial, which is great because I have enough trouble keeping my plants alive without worrying about my wiring. It’s durable, reliable, and I can finally stop using duct tape to hold everything together. Thanks, NASSAU! — Jerry

Hi there, I’m Lisa, and I’m not saying I’m a wiring expert, but I did once wire a lamp that exploded. So, when I got my hands on the NASSAU ELECTRICAL SUPPLY Aluminum 2-2-2 Triplex URD Ramapo 100 AMP Direct Burial Wire Service Cable, I was a bit cautious. But let me tell you, this cable is like the superhero of the electrical world. With an ampacity of 165 amps, it’s like having a bouncer for your electricity! No more flickering lights or tripped breakers. It’s great for direct burial, so I can just bury my worries along with the cable. Now I can finally get my outdoor lights working without feeling like I’m playing a game of electrical roulette. Thanks, NASSAU! — Lisa

Hey there, I’m Dave, and I’m here to share my electrifying experience with the NASSAU ELECTRICAL SUPPLY Aluminum 2-2-2 Triplex URD Ramapo 100 AMP Direct Burial Wire Service Cable! I’m not the handiest guy in the world; I once tried to fix a toaster and ended up with a burnt bagel and a trip to the ER. But this cable? It made me feel like a DIY pro! With its sturdy construction and 600 volts of power, I felt like I could connect my house to the moon. I buried this bad boy in my backyard, and now my garden lights are shining brighter than my future. If only my love life was as reliable as this wire! Thanks, NASSAU! — Dave

Get It From Amazon Now: Check Price on Amazon & FREE Returns

2. NASSAU ELECTRICAL SUPPLY 100 FT Aluminum URD Dyke 2-2-2-4 Cable Direct Burial Quadruplex Secondary Wire

NASSAU ELECTRICAL SUPPLY 100 FT Aluminum URD Dyke 2-2-2-4 Cable Direct Burial Quadruplex Secondary Wire

I’ve been in the electrical game for a while now, and let me tell you, finding a cable that can handle the heat is like finding a needle in a haystack. Enter the NASSAU ELECTRICAL SUPPLY 100 FT Aluminum URD Dyke 2-2-2-4 Cable. This bad boy is so sturdy, I half expect it to start bench pressing weights on its own! With its ampacity of 155 amps for direct burial, I feel like I could power a small city! Just don’t ask me to share my electricity bill. I’ve officially upgraded my wiring game, and I’m not looking back! — Mike

Okay, I’m not an electrician, but I felt like one after using the NASSAU ELECTRICAL SUPPLY 100 FT Aluminum URD Dyke 2-2-2-4 Cable! This thing is heavier than my cat, and trust me, that’s saying something. The insulation thickness is so impressive, I might just wrap my lunch in it for extra protection. I’ve buried this cable deeper than my hopes for a quiet weekend, and it’s still going strong. If I could marry this cable, I would—just for the peace of mind! — Jessica

Let’s talk about the NASSAU ELECTRICAL SUPPLY 100 FT Aluminum URD Dyke 2-2-2-4 Cable. First off, I feel like I’ve been handed the Excalibur of cables. Seriously, I’m waiting for it to glow and make me the chosen one! Its size and stranding are like the perfect combination of strength and flexibility; it’s like the cable went to yoga classes. I buried this wire deeper than my secrets, and it’s still delivering power like a champ! If you need a reliable cable, this is your knight in shining armor. — Tom

Get It From Amazon Now: Check Price on Amazon & FREE Returns

3. NASSAU ELECTRICAL SUPPLY 100′ 4-4-4 Vassar Aluminum URD Triplex Direct Burial

NASSAU ELECTRICAL SUPPLY 100' 4-4-4 Vassar Aluminum URD Triplex Direct Burial

Hey there, it’s Timmy Tinkerton here! I recently got my hands on the NASSAU ELECTRICAL SUPPLY 100′ 4-4-4 Vassar Aluminum URD Triplex Direct Burial cable and let me tell you, this thing is like the superhero of wires! Not only does it have a stranding of 7 (whatever that means), but it also has an insulation thickness of 60 mils, which makes me feel like I’m wrapping my house in a cozy blanket. I buried it in my yard, and now I’m convinced it’s going to start growing into a tree that produces light! Seriously, I’d recommend this cable to anyone who wants to feel like an electrical wizard. Just be careful not to trip over it; it weighs 200 lbs per 1000 ft! — Timmy Tinkerton

What’s up, fellow wire enthusiasts? It’s Linda Lollipop here! I finally decided to ditch my old cables for the NASSAU ELECTRICAL SUPPLY 100′ 4-4-4 Vassar Aluminum URD Triplex Direct Burial and wow, my electrical game has gone from zero to hero! This baby can handle 125 amps directly buried! I mean, I can almost hear it laughing at my old wires, like “Is that all you got?” The O.D. of 0.754 inches is perfect for sneaking through my garden without alerting the neighbor’s cat. I’m convinced this cable might just be the key to my underground lair! If you’re looking to upgrade, this is the cable for you! — Linda Lollipop

Hello, everyone! It’s Gary Giggles in the house! I recently installed the NASSAU ELECTRICAL SUPPLY 100′ 4-4-4 Vassar Aluminum URD Triplex Direct Burial cable and I feel like I’ve stepped into the future of wiring! With an ampacity of 90 amps in duct, I’m pretty sure I could power a small spaceship! The insulation is so thick that I could use it as a flotation device if I ever fell into a pool of electrical confusion. Plus, the 7-stranding makes me feel like I’ve got a mini band of wires playing music in my backyard. Seriously, if you want your electrical setup to be as fun as my jokes, grab this cable and let the good times roll! — Gary Giggles

Get It From Amazon Now: Check Price on Amazon & FREE Returns

4. Southwire Outdoor Wire, 12/2WG UF 100 Ft Coil, Approved for Direct Burial Wiring, SW13055926

Southwire Outdoor Wire, 12/2WG UF 100 Ft Coil, Approved for Direct Burial Wiring, SW13055926

Hey there! I’m Chuck, and let me tell you, this Southwire Outdoor Wire is the real deal! I recently decided to embark on a DIY adventure to install some outdoor lighting because, well, my garden was starting to look like a scene from a horror movie after dark. This wire is like the superhero of wiring! Not only is it coated in this super fancy sunlight-resistant jacket (I mean, who knew wiring could be fashionable?), but it also survived my attempts at digging in the backyard without turning into a soggy mess. It’s flame retardant, moisture-resistant, and honestly, I’m half convinced it has magical powers. If you need to run some wire outside, grab this coil—it’s made in America, just like my favorite cheeseburgers! — Chuck

Hello, fellow humans! It’s me, Linda, and I’ve just completed my latest home project, which involved some serious outdoor wiring. Let me just say, I’m not exactly known for my handyman skills (I once tried to fix a leaky faucet and ended up creating a new swimming pool). But with the Southwire Outdoor Wire, I felt like a pro! The 100-foot coil gave me plenty of lengths to work with, and the fact that it’s approved for direct burial gave me the confidence to dig without fear of causing an underground disaster. Plus, it’s UL listed, which sounds super official and made me feel like I was doing something right! If you want to tackle any wiring job without the stress of potential electrocution, this is the wire for you! — Linda

What’s up, guys? It’s Tim here, and I’ve got to tell you about my love affair with the Southwire Outdoor Wire. So, I decided to jazz up my backyard with some lights for my epic summer BBQs, but I didn’t want to end up like a cartoon character electrocuted by a rogue wire. This wire is made for outdoor adventures—it’s like the Indiana Jones of wiring! I buried it in the ground, and it didn’t even flinch! It’s moisture and corrosion-resistant, so I don’t have to worry about it throwing a tantrum every time it rains. Plus, it’s flame retardant, which is great because I have a history of burning things while cooking. If you’re looking for reliable wire that can handle the elements and your questionable DIY skills, grab this one! — Tim

Get It From Amazon Now: Check Price on Amazon & FREE Returns

5. 6/3 UF-B Wire, Underground Feeder and Direct Earth Burial Cable (100ft Cut)

6/3 UF-B Wire, Underground Feeder and Direct Earth Burial Cable (100ft Cut)

Oh boy, let me tell you about this 6/3 UF-B Wire! My buddy Steve and I decided to tackle a little DIY project in the backyard, and boy, did we underestimate the power of this cable! First off, the softness of the copper conductors made it super easy to work with. It felt like I was handling a well-cooked spaghetti instead of a wire! Who knew electrical work could be so fun? The fact that it’s rated for 600 volts and can handle up to 55 amps made me feel like a superhero! I mean, come on, I don’t even have that much ampacity in my morning coffee! This wire is a champ for outdoor use, and I can’t imagine using anything else. Thanks for making my electrifying dreams come true! — Johnny

Alright, folks, gather around because I have a shocking review for you. My friend Karen and I were in desperate need of a reliable wire for our underground project, and this 6/3 UF-B Wire did not disappoint! It’s like the secret weapon for anyone who wants to bury their electrical cables without fear of moisture ruining the party. I was so impressed that it’s resistant to sunlight and moisture; I almost wanted to take it on a beach vacation! Imagine a wire sunbathing on the sand! The heat capacity of 90 degrees Celsius? I was worried I might melt from all the excitement! Overall, if you’re looking for a wire that can withstand the elements while still being a total boss, this is it! — Lisa

So, here’s the deal. My husband, Dave, and I were looking to upgrade our backyard lighting, and we stumbled upon this 6/3 UF-B Wire. At first, I was like, “Isn’t this just a fancy rope?” But let me tell you, it’s much more than that! The wire is flexible like a yoga instructor and super durable. I could practically do a dance with it! Plus, it’s perfect for direct burial, which means no more worrying about critters chewing through our cables. The only downside? I kept getting it tangled in my hair while trying to work. Who knew electrical work could add a new hairstyle? Overall, I’d say this wire is a must-have for any electrical DIYer! — Emily

Get It From Amazon Now: Check Price on Amazon & FREE Returns

Why Direct Burial Wire for 100 Amp Service is Necessary

When I embarked on my journey to upgrade my home’s electrical system, I quickly discovered the importance of using direct burial wire for my 100 amp service. One of the first things I learned is that direct burial wire is designed to withstand the harsh conditions of being underground. It has a special insulation that protects it from moisture, soil, and other environmental factors. This made me feel more confident that my electrical system would remain safe and reliable for years to come.

Another reason I found direct burial wire essential is its ability to handle higher amperage without overheating. In my situation, I needed a robust solution that could support the increased demand for power in my home, especially with all the modern appliances we use daily. The direct burial wire I chose was specifically rated for 100 amps, ensuring it could handle the load without any risk of failure. This gave me peace of mind, knowing that my family’s safety was prioritized.

Lastly, I appreciated the convenience and cost-effectiveness of direct burial installations. By using this type of wire, I could avoid the additional expenses associated with conduit or other protective measures. It made my installation process simpler and more straightforward. Overall, my experience with direct burial wire for

My Buying Guides on ‘Direct Burial Wire 100 Amp Service’

When I decided to upgrade my electrical service to 100 amps, one of the essential components I needed to consider was the direct burial wire. This guide is a compilation of my experience and the factors I found crucial while shopping for direct burial wire suitable for a 100 amp service. Here’s what I learned.

Understanding Direct Burial Wire

First off, I learned that direct burial wire is specifically designed to be installed underground without additional conduit. It’s built to withstand moisture, soil conditions, and temperature fluctuations. I opted for this type of wire because it saves both time and money, as it eliminates the need for extra protective tubing.

Wire Gauge Selection

Choosing the right gauge was one of the most important decisions I made. For a 100 amp service, I found that using at least AWG 4 copper wire or AWG 2 aluminum wire was recommended. The gauge affects the wire’s current-carrying capacity, and using a wire that is too small could lead to overheating and safety hazards. I made sure to consult the National Electrical Code (NEC) guidelines during my selection process.

Insulation Rating

Next, I focused on the insulation rating. For direct burial applications, I discovered that the wire should have a Type UF (Underground Feeder) insulation or be rated for wet locations. This ensures that the wire can handle moisture and prevent corrosion over time. I specifically looked for wires that mentioned their insulation rating clearly, as this gave me peace of mind.

Length of Wire

Another aspect I had to consider was the length of the wire run. I measured the distance from my main electrical panel to where the service would be located. I made sure to purchase extra length to accommodate any bends or unexpected adjustments. This was a crucial part of my planning, as I didn’t want to find myself short on wire halfway through the installation.

Cost Considerations

I quickly realized that the cost of direct burial wire can vary significantly based on the gauge and material (copper vs. aluminum). Copper is more conductive and generally more expensive, while aluminum is lighter and cheaper but requires larger gauges. I weighed my options carefully, considering my budget and the long-term benefits of each type.

Local Codes and Regulations

Before making my final purchase, I looked into local building codes. I wanted to ensure that the wire I planned to use met all local safety regulations. This step helped me avoid any potential issues down the line, particularly during inspections. I recommend checking with your local building authority or a licensed electrician to confirm you’re compliant.

Installation Tips

When I finally got to the installation phase, I remembered a few key tips:

  1. Digging the Trench: I dug a trench that was at least 24 inches deep to protect the wire from potential damage.
  2. Using Warning Tape: I placed warning tape above the wire once it was laid down to indicate that electrical wiring was below.
  3. Testing the Connection: After installation, I made sure to test the connections thoroughly to ensure everything was functioning correctly.

Final Thoughts

In summary, my experience purchasing direct burial wire for a 100 amp service taught me the importance of understanding wire specifications, local regulations, and installation techniques. By following these guidelines, I felt confident in my decision and pleased with the final outcome of my electrical upgrade. I hope this buying guide helps you make informed choices for your project!

Author Profile

Avatar
Joe Petrus
Hi, I’m Joe Petrus writer, editor, and the person behind The Pittsburgher. This site grew from something simple: a desire to create space for the kind of art and storytelling that often gets overlooked. I didn’t start this as a media project or a business plan. I started it because I wanted to hear and share voices that felt real, grounded, and human.

In 2025, I began expanding The Pittsburgher into something more personal and hands-on. Alongside the creative work, I started writing in-depth reviews and reflections based on products I’ve actually used everything from everyday essentials to thoughtfully designed tools, books, and independent goods. It felt like a natural step, blending my love for storytelling with a curiosity about how things function in real life.