12 Gauge Low Voltage Landscape Wire 100FT - Direct Burial 12/2 Copper

In this review the reviewer looks at a 100ft roll of 12 gauge low voltage landscape wire intended for outdoor lighting and similar low voltage projects. The bottom line: this 12/2 copper wire is best for homeowners, landscapers, and DIYers who need a durable, direct burial cable with clear polarity marking; the single biggest reason to buy is the combination of true oxygen free copper conductors and a direct burial PVC jacket that stands up to sun, dirt and moisture. The review focuses on real-world handling, safety credentials, and typical landscape lighting uses.

Key Features

• True copper conductors: Uses oxygen free copper with 26 strands per conductor for lower resistance and better conductivity in low voltage runs.
• UL certified safety: The SPT-3W construction and UL listing provide reassurance about build quality and electrical safety for outdoor wiring.
• Direct burial jacket: Thick PVC insulation rated for direct burial protects the conductors from moisture, dirt and prolonged sun exposure.
• Polarity identification: One conductor is textured and one smooth so polarity is quick to identify during installation.
• Convenient length and spool: Supplied as a 100ft roll on a plastic spool for easier dispensing and storage on site.
• Wide voltage compatibility: Rated to 300V so it handles typical 5V, 12V and 24V landscape lighting systems safely.

Who It's For

This cable suits homeowners installing garden, path or accent lights, small landscape contractors, and DIYers wiring low voltage fixtures where durability and conductivity matter. The flexible SPT-3W construction and clear polarity marking make it easy to run and terminate even for less experienced users.

Those who should look elsewhere include installers needing specialized multi-conductor cable for complex control runs or those requiring very long commercial feeder circuits beyond 100ft without planning for voltage drop; also, this product is specifically for low voltage systems rather than standard mains wiring.

Pros & Cons

Pros

• High-conductivity oxygen free copper with many strands for lower resistance in low voltage lighting runs.
• UL certified and SPT-3W flexible jacket gives a balance of safety and ease of handling.
• Direct burial PVC insulation resists water, dirt and sun for outdoor longevity.
• 100ft spool with rough and smooth conductors speeds installation and polarity checks.

Cons

• Some users report mixed impressions of flexibility, so it can feel stiffer on long pulls through conduit compared with thinner-gauge cable.
• Only a single 100ft length per roll may require splicing for larger properties.

Specifications

Gauge	12 AWG
Conductors	2 (12/2)
Conductor material	Oxygen free copper, 26 strands per conductor
Length	100 ft
Insulation	Direct burial PVC jacket (waterproof)
Rated voltage	Up to 300V (suitable for 5V, 12V, 24V low voltage)
Safety	UL certified, fire resistance VW-1

Our Verdict

This 12 gauge 12/2 low voltage landscape wire is a practical, value-oriented choice for most residential landscape lighting projects because it pairs true oxygen free copper conductors with a direct burial jacket and UL certification. It is especially good for short to moderate runs where durability and clear polarity matter; buyers needing longer commercial runs or specialized cable should plan accordingly.

Frequently Asked Questions

Can this wire be buried directly in the ground?
Yes. The jacket is PVC rated for direct burial and is designed to resist water, dirt and sun exposure for outdoor landscape lighting.

Will this wire work with 12V landscape lights?
Yes. It is suitable for typical low voltage systems including 5V, 12V and 24V and is rated to 300V for safety margin.

How do I identify polarity?
Polarity is easy to spot because one conductor has a rough texture and the other is smooth, simplifying connections to fixtures and transformers.