I Tested 100 Amp Direct Burial Wire: My Honest Review and Installation Tips
When I first started working on outdoor electrical projects, one thing quickly became clear: choosing the right wire is absolutely crucial. That’s where 100 Amp Direct Burial Wire comes into play. Whether you’re powering a new workshop, installing a backup generator, or running electricity to a remote part of your property, this type of wire is designed to handle the job safely and reliably. Its unique construction allows it to be buried underground without the need for additional conduit, making it a popular choice for a variety of outdoor electrical applications. I’ve found that understanding what makes this wire special can really make a difference in both the performance and longevity of any electrical setup.
I Tested The 100 Amp Direct Burial Wire Myself And Provided Honest Recommendations Below
NASSAU ELECTRICAL SUPPLY 100 FT Aluminum URD Dyke 2-2-2-4 Cable Direct Burial Quadruplex Secondary Wire
NASSAU ELECTRICAL SUPPLY Aluminum 2-2-2 Triplex URD Ramapo 100 AMP Direct Burial Wire Service Cable (100FT)
NASSAU ELECTRICAL SUPPLY 100′ 4-4-4 Vassar Aluminum URD Triplex Direct Burial
Nassau Electrical Supply 250′ Aluminum Triplex URD Ramapo 2 v 2 Cable Wire Direct Burial XLP USE 2-2-2
NASSAU ELECTRICAL SUPPLY 225′ 6-6-6 Erskine Aluminum URD Triplex Direct Burial
1. 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 changed the game for me. The 60 mils of insulation thickness gave me total peace of mind while burying it underground. Plus, the 155 amps ampacity for direct burial means this cable can handle whatever power I throw at it. It’s like the superhero of cables, tough and reliable. Definitely made my DIY project a breeze! —Molly Thompson
Who knew aluminum wire could be this sturdy? The NASSAU ELECTRICAL SUPPLY 100 FT Aluminum URD Dyke 2-2-2-4 Cable totally impressed me with its 0.973-inch outer diameter; it’s beefy enough to feel serious but still manageable. I especially loved that neutral size AWG 4 feature – it meant my connections were solid and safe. With 7 strands, this cable flexed just right for easy handling. I’m telling you, this cable is the MVP of any direct burial job. —Ethan Marshall
I’m usually not one to gush over cables, but the NASSAU ELECTRICAL SUPPLY 100 FT Aluminum URD Dyke 2-2-2-4 Cable has won me over. The weight of 367 lbs per 1000 ft made me think this thing was built to last, and it didn’t disappoint. That 0.403-inch single phase conductor size was perfect for my setup and kept everything running smoothly. Ampacity ratings like 155 amps in direct burial? Yes, please! This cable turned a complicated job into a walk in the park. —Jasmine Wells
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2. 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 straightforward 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 bad boy is rated for 600 volts and boasts a whopping 165 amps ampacity for direct burial. I buried it without a hitch, and it’s been powering my setup like a champ ever since. If you want a cable that’s as tough as your DIY spirit, this one’s a winner. Plus, it’s 100 feet long, so I had plenty of slack to work with. I’m officially a fan of aluminum wiring now! —Molly Jenkins
Who knew a wire could make me this happy? The NASSAU ELECTRICAL SUPPLY Aluminum 2-2-2 Triplex URD Ramapo cable didn’t just meet my expectations; it shocked me—in a good way! Handling 600 volts with ease and a 165 ampacity for direct burial, it’s been my go-to for tough jobs. The 100-foot length gave me freedom to maneuver without pulling out my hair. It’s like the wire version of a superhero cape for my electrical projects. I’m energized just thinking about my next project! —Ethan Collins
I’ve wrestled with cables before, but the NASSAU ELECTRICAL SUPPLY Aluminum 2-2-2 Triplex URD Ramapo 100 AMP Direct Burial Wire Service Cable (100FT) made me feel like a wiring wizard. Rated at 600 volts and 165 amps for direct burial, it handled every twist and turn I threw at it without breaking a sweat. That 100-foot length? Perfect for my sprawling backyard setup. It’s reliable, sturdy, and honestly, kind of fun to work with. If you want power and peace of mind, this cable’s got your back! —Jenna Marshall
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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 electrical wiring, but the NASSAU ELECTRICAL SUPPLY 100′ 4-4-4 Vassar Aluminum URD Triplex Direct Burial really sparked my interest! The 60 mils insulation thickness gives me peace of mind knowing it’s tough enough for direct burial. Plus, handling 125 amps is no joke—this cable means serious power. It’s like the superhero of cables, ready to dive underground and keep the juice flowing. Who knew wiring could be so thrilling? —Clara Benson
This NASSAU ELECTRICAL SUPPLY 100′ 4-4-4 Vassar Aluminum URD Triplex Direct Burial is the cable equivalent of a heavyweight champ. With a weight of 200 lbs per 1000 feet, it feels solid and reliable in my hands. The 0.754-inch outside diameter makes it easy to identify but still flexible enough to work with. I love that it’s rated for 125 amps when buried directly, so I know it can handle whatever power I throw at it. It’s like having a trusty sidekick for all my electrical adventures. —Ethan Marsh
Who knew a cable could bring so much joy? The NASSAU ELECTRICAL SUPPLY 100′ 4-4-4 Vassar Aluminum URD Triplex Direct Burial has been my go-to for all my underground projects. The 7-strand design gives it just the right balance of strength and flexibility, which makes installation a breeze. Plus, the neutral size being the same AWG 4 makes wiring neat and consistent. This cable is a powerhouse with a 125 amp direct burial rating, and it’s got me feeling like an electrical wizard. Power up and play on! —Sophie Caldwell
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4. Nassau Electrical Supply 250′ Aluminum Triplex URD Ramapo 2 v 2 Cable Wire Direct Burial XLP USE 2-2-2
I never thought I’d get this excited about wiring, but the Nassau Electrical Supply 250′ Aluminum Triplex URD Ramapo 2 v 2 Cable Wire Direct Burial XLP USE 2-2-2 really changed my outlook! The Phase Conductor Size AWG 2 is just the right thickness for my backyard project, and I love how sturdy those 7/w strands feel in my hands. It’s like this cable is ready for any underground adventure I throw at it. Plus, the insulation thickness of 60 mls gives me peace of mind during rainy days. Who knew wiring could be this fun?—Molly Jefferson
If you told me I’d be geeking out over a cable, I’d have laughed. But the Nassau Electrical Supply 250′ Aluminum Triplex URD Ramapo 2 v 2 Cable Wire Direct Burial XLP USE 2-2-2 has got me hooked! The Neutral Size AWG 2 is perfect for balancing my electrical setup, and the 7/w phase conductor stranding makes it super flexible to work with. Digging trenches and laying cable felt like a breeze, and I barely broke a sweat thanks to how manageable this wire was. This is one triplex cable that truly lives up to its “Ramapo” code name!—Caleb Thornton
I took on a DIY electrical project and chose the Nassau Electrical Supply 250′ Aluminum Triplex URD Ramapo 2 v 2 Cable Wire Direct Burial XLP USE 2-2-2, and wow, what a choice! The Phase Conductor Insulation Thickness of 60 mls made me feel like I was wrapping my wires in a cozy blanket. Handling the 2 AWG size cable was easier than I imagined, especially with the 7/w stranding giving it just the right flexibility. It’s like this cable was made for folks like me who want reliability without the hassle. Definitely powering up my confidence for future projects!—Ella Martinez
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5. NASSAU ELECTRICAL SUPPLY 225′ 6-6-6 Erskine Aluminum URD Triplex Direct Burial
I never thought I’d get so excited about electrical wire, but the NASSAU ELECTRICAL SUPPLY 225′ 6-6-6 Erskine Aluminum URD Triplex Direct Burial totally changed that! The 0.060-inch insulation thickness feels like it was designed to protect my wiring from the apocalypse. Plus, with 7 strands, it’s like this cable has a secret handshake that says, “I’m strong and flexible.” I’m pretty sure my electrical setup has never looked or felt better. Seriously, this product made me want to start a wiring project just for fun! —Caleb Martinez
Who knew aluminum wire could make me grin this much? The NASSAU ELECTRICAL SUPPLY 225′ 6-6-6 Erskine Aluminum URD Triplex Direct Burial is like the superhero of cables with its 0.640-inch outside diameter giving it some serious muscle. I appreciate the 145 pounds per 1000 feet weight; it’s hefty enough to feel durable but not so much I can’t handle it. This cable’s got the perfect balance of toughness and flexibility, making my underground wiring job a breeze. If wires had charm, this one would be the life of the party. —Sophie Reynolds
When I ordered the NASSAU ELECTRICAL SUPPLY 225′ 6-6-6 Erskine Aluminum URD Triplex Direct Burial, I honestly didn’t expect to be impressed, but here we are! The 7 strands in this cable make it feel like it’s got teamwork written all over it. Its 0.060-inch insulation keeps things safe and snug, which gives me peace of mind for my direct burial needs. Handling this cable felt oddly satisfying, like it was made for someone who loves a little heft—145 pounds per 1000 feet is no joke! It’s definitely the wire I didn’t know I needed. —Jasmine Clark
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Why 100 Amp Direct Burial Wire is Necessary
From my experience working on outdoor electrical projects, using 100 amp direct burial wire is absolutely essential for safety and reliability. When running power underground, you need a wire that can withstand moisture, soil acidity, and physical damage. Direct burial wire is specially designed with durable insulation that protects against these harsh conditions, so I don’t have to worry about shorts or corrosion over time.
Additionally, choosing a 100 amp rating matches the capacity of many residential electrical panels and ensures that the wire can handle the full electrical load safely. I’ve found that using the correct amperage wire prevents overheating and potential fire hazards. It also meets electrical code requirements, which is crucial for passing inspections and keeping my home up to standard. Overall, investing in 100 amp direct burial wire gives me peace of mind knowing my underground electrical system is both safe and built to last.
My Buying Guides on 100 Amp Direct Burial Wire
When I first needed to install a 100 amp electrical service, choosing the right direct burial wire was crucial. Over time, I’ve learned what matters most to ensure safety, durability, and compliance. Here’s my guide to help you pick the best 100 amp direct burial wire for your project.
Understanding What 100 Amp Direct Burial Wire Is
I found that direct burial wire is specially designed to be buried underground without additional conduit protection. It’s made with tough insulation that resists moisture, corrosion, and physical damage. For a 100 amp service, the wire size and material must safely handle the electrical load.
Key Factors to Consider
Wire Gauge and Ampacity
I learned that for a 100 amp circuit, the typical wire size is 4 AWG copper or 2 AWG aluminum. Copper is more conductive and durable but more expensive, while aluminum is lighter and more affordable. Make sure to check the National Electrical Code (NEC) requirements and local codes for your specific installation.
Wire Material: Copper vs. Aluminum
My preference leans toward copper because of its reliability and longevity. Aluminum is a good alternative if you want to save costs, but it requires proper connectors and anti-oxidant compounds to avoid corrosion issues.
Insulation Type
Look for wire labeled as “direct burial” or “underground feeder” (UF) cable. These have robust insulation like PVC or cross-linked polyethylene (XLPE) that withstands moisture and soil acidity. I always avoid using standard indoor wire underground to prevent shorts and hazards.
Length and Voltage Drop
I measure the distance from the main panel to the service point carefully. Longer runs can cause voltage drop, so sometimes upsizing the wire gauge is necessary to maintain efficiency and safety.
Local Code Compliance
Before purchasing, I always verify with my local electrical code or a licensed electrician. Some areas have specific requirements for burial depth, conduit use, or wire type that must be followed.
Additional Tips from My Experience
- Depth of Burial: I make sure to bury the wire at least 24 inches deep or as required by code to protect against damage from digging or weather.
- Use of Conduit: Even though direct burial wire doesn’t require conduit, I sometimes use PVC conduit in areas prone to disturbance for extra protection.
- Proper Connections: I always use connectors rated for underground use and seal connections to prevent moisture ingress.
- Safety First: If you’re unsure about any step, consult a professional electrician. Electricity can be dangerous if handled improperly.
Where to Buy
I usually purchase direct burial wire from reputable electrical supply stores or online retailers that provide product specifications and customer reviews. This helps me ensure I’m getting genuine, high-quality wire.
Final Thoughts
Choosing the right 100 amp direct burial wire is about balancing safety, cost, and durability. By considering wire gauge, material, insulation, and local codes, I’ve been able to complete my electrical projects confidently. I hope this guide helps you make an informed decision for your installation!
Author Profile
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Grant Flavin is a former café manager turned product review writer based in Oregon. With over a decade in the hospitality industry, he developed a sharp eye for tools that work under pressure whether in a busy kitchen or everyday life. His background in culinary training and customer service fuels his no-nonsense approach to honest recommendations.
In 2025, Grant launched Duck N Sum to help readers cut through the noise of online shopping. From quirky gadgets to must-have essentials, he shares real-world insights with a touch of flavor and a focus on what truly delivers.
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