Exposed wires running across your yard don't just look messy—they're a tripping hazard and can degrade faster under UV exposure. Protecting your landscape lighting cables with conduit keeps your system safer, more durable, and your yard looking professionally installed. Here's what you need to know about conduit options, installation costs, and when it's worth the investment.
Why Conduit Matters for Landscape Lighting
Landscape lighting wires handle 12-volt or low-voltage current, which is safer than household electricity but still vulnerable to damage. Exposed cables get trampled by foot traffic, chewed by rodents, and degraded by sun and moisture. Quality conduit shields wires from these hazards while hiding the infrastructure that runs between fixtures—whether that's along walkways, under mulch beds, or across open lawn.
Beyond protection, conduit gives your outdoor lighting a finished appearance. Professional installations almost always include some form of wire concealment because bare cables undermine even the best fixture design.
Types of Conduit for Landscape Lighting
PVC Conduit White or gray rigid PVC is the most common choice for above-ground runs. It's affordable, durable, and blends into most landscaping. Expect to pay $0.50–$1.50 per linear foot for standard ½-inch PVC. Installation is straightforward: run it along fence lines, deck edges, or up tree trunks, then secure with UV-rated clips every 12–18 inches.
Flexible Conduit (Split Loom) Flexible split loom is easier to route around corners and obstacles than rigid PVC. It's typically cheaper ($0.30–$0.80 per foot) but less rigid, so it works best for shorter runs or areas where it won't be stepped on frequently. It degrades faster in direct sunlight, so paint or wrap it if exposed to full sun.
Underground Options For runs crossing open lawn, direct burial conduit ($0.60–$1.20 per foot) or trenching bare low-voltage cable 6–12 inches deep keeps wires completely hidden. Trenching labor costs $3–$8 per linear foot depending on soil density and access. If you're already digging for irrigation or other landscape work, bundling the conduit installation can reduce overall costs.
Rope Light and Integrated Solutions Some modern landscape lighting systems integrate wiring directly into the fixture housing or use pre-assembled rope lighting, which eliminates the need for separate conduit. These options run $15–$40 per fixture but simplify installation if you're starting fresh.
Installation Cost Breakdown
A typical residential landscape lighting system with 6–8 fixtures and 100–150 linear feet of wire might cost:
- Materials: $80–$200 (conduit, clips, connectors)
- Labor: $300–$800 (depending on terrain and burial depth)
- Total installed: $400–$1,000
If you're handy, above-ground conduit installation is a weekend DIY project that can cut labor costs to near zero. Underground trenching or complex routing through planted areas usually justifies hiring a professional. If you're comparing pricing from installers, use Mercoly to browse and contact multiple trusted outdoor and landscape lighting providers in your area—you'll quickly see which quotes are fair for your project scope.
Installation Tips to Save Money
- Plan the route first: Walk the intended path with your fixtures to identify the shortest, least-visible route. Extra conduit adds cost.
- Run conduit during fixture installation: If you're already trenching for a new patio or garden bed, add lighting conduit at the same time to avoid repeat digging.
- Paint PVC to blend in: Inexpensive exterior paint matching your deck, fence, or mulch hides above-ground conduit for pennies.
- Bundle wires when possible: Running multiple fixture wires through one conduit run is cheaper than individual runs.
- Use clips and supports consistently: Loose conduit looks sloppy and can shift when you mow or water. Plan on spending 5–10 extra dollars per fixture location for secure mounting.
When to Prioritize Conduit
Focus conduit installation on:
- High-traffic areas where wires risk being stepped on or caught by lawn equipment
- Runs across open lawn or hardscape (most visible)
- Wet areas where water pooling could damage unprotected wires
- Properties with pets or wildlife that might chew cables
For short runs hidden in dense planting or mulch, burial without visible conduit may be acceptable, though direct burial reduces longevity.
Frequently Asked Questions
Q: Can I bury low-voltage landscape lighting wire directly in soil without conduit? Direct burial is technically possible and codes sometimes allow it, but unprotected cables degrade faster and are harder to replace. Conduit adds minimal cost upfront and saves you from major repairs later.
Q: What diameter conduit do I need for multiple landscape lighting wires? ½-inch conduit typically accommodates 2–4 standard low-voltage lighting cables; ¾-inch handles 6–8 wires. Check the wire gauge and count before purchasing.
Q: How deep should I bury conduit for landscape lighting? Bury at least 6 inches deep to avoid accidental damage from digging or lawn aerators; 12 inches is safer if you're trenching anyway.
Ready to hide those wires? Browse vetted landscape lighting installers on Mercoly to get competitive quotes for your conduit project.