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An example of classy DIY deck lighting using post cap deck lights on a stylish railing

Make your deck shine with a brilliant lighting setup. Great lighting takes your deck from “nice” to “jaw-dropping.” Elevate your beautiful outdoor space while also making it safe and building-code compliant with an easy-install lighting plan.

The most deck-lighting options you'll find anywhere. Because we specialize in decks, we carry the most brands, colors, styles, and sizes of in-stock deck lighting nationwide. Find the perfect lights, in-stock and ready-to-ship with low free-shipping minimums!

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Low Voltage LED Wire Extension by Key-Link

from $15.99

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Low Voltage LED Wire Splitter by Key-Link

from $19.99

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Low Voltage LED Post Wire Kit by Key-Link

from $51.99

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Low Voltage LED Post And Stair Light By Key-Link

from $31.99

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Ornamental Solar Collecting Post Cap with Accessory Connection by LMT Mercer

from $25.49 $33.99

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Ornamental Solar Post Cap Light by LMT Mercer

from $44.99

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Ornamental Downward Solar Post Cap - 3-9/16 inch opening - Black

Ornamental Downward Solar Post Cap Light by LMT Mercer

from $46.99

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3.2 Volt Lithium Iron Phosphate Rechargeable Battery for Solar Lights

3.2 Volt Lithium Iron Phosphate Rechargeable Batteries for Solar Lights by DecksDirect

from $31.99

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Ornamental Low Voltage LED Post Cap Light for Trex Post Sleeves by LMT Mercer Group

from $45.99

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Galaxy Solar Post Cap Light by LMT Mercer

from $63.99

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Ornamental Low Voltage LED Post Cap Light for AFCO Pro Aluminum Railing by LMT Mercer

from $61.99

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Ornamental Low Voltage LED Post Cap Light for Key-Link by LMT Mercer

from $63.99

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Flush LED Riser Light with Trim Ring by LMT Mercer-Black-Installed and Illuminated

Flush Low Voltage LED Straight Riser Light with Trim Ring by LMT Mercer

from $9.99

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Featuring an incredibly convenient 30 degree downward shine, the Flush Angled LED Riser Light provides safety.

Flush Low Voltage LED Angled Riser Light by LMT Mercer

from $10.99

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Low Voltage LED Under Rail Light by LMT Mercer - installed - warm white temperature

Under Rail Low Voltage LED Light by LMT Mercer

from $8.99

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Solar Dome Side Light by LMT Mercer

from $15.99

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Low Voltage LED Dome Side Light by LMT Mercer - White

Dome Low Voltage LED Rail Light by LMT Mercer

from $12.99

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Riser/Rail LED Light with 2 Covers by LMT Mercer - Small Cover - Installed

Low Voltage LED Riser/Rail Light with 2 Covers by LMT Mercer

from $8.99

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Solar Stair/Side Light with 2 Covers by LMT Mercer

from $9.74 $12.99

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Low Voltage LED Under Rail Strip Light by LMT Mercer installed under railing

Under Rail Low Voltage LED Strip Light by LMT Mercer

from $60.70

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Additional Resources

Browse DecksDirect resources and How-To-Guides. Or look for deck inspiration.

Browse through the best composite decking options such as Trex, Deckorators and DuraLife

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From structural screws to composite decking screws, learn the different types of deck screws

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Low Voltage Lighting Transformers

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How to Hide Deck Lighting Wiring

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Learn How to Make A Deck Lighting Plan

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Deck Lighting and Wiring Layouts

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Deck Lighting Troubleshooting

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Troubleshooting Low-Voltage Deck Lighting

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General Lighting FAQs

Do I Need Lighting On My Deck?

Local building codes vary on how much lighting they require. One standard, though: the International Residential Code requires exterior stairs to have a light somewhere on the top landing. Local building codes can sometimes require more stair lighting. We always recommend checking in with your city before starting a project to make sure you meet local and state building codes.

Deck lighting is an important safety feature - on a well-lit deck, your guests will always be able to see where they are walking, even at night. But lighting is also a huge upgrade to both your deck’s function and its appearance. A good outdoor lighting setup adds usable hours to your deck, allowing you to relax longer, keep your family dinner outdoors through dessert, or enjoy a hot cup of coffee on your deck even as the days grow shorter in fall and winter. Deck lighting also turns your deck into a grand, welcoming space, accenting the beauty you’ve already added to your outdoor living area. If you love the deck you’ve created, give it the perfect cherry on top with the soft glow of a carefully-designed outdoor lighting setup.

What's The Difference Between Solar Lighting And Low Voltage Lighting?

Low voltage lighting plugs in to your home’s electricity, while solar lighting operates on batteries that automatically recharge during the day.

Both solar and low voltage lighting can be great options to brighten up your deck and outdoor space. Thinking about your specific deck needs can help you find the right system for you.

Low voltage lighting is an extremely reliable setup that provides consistent light to your space. Wiring up low voltage lighting is easy - it’ll typically require a transformer that plugs in to any standard wall outlet and converts your home’s 110-volt electrical current down to a 12-volt level that’s ideal for outdoor lighting. Low voltage lighting will connect to your transformer. You can typically hide the wires in your deck railing. Low voltage lights can also use dimmers or timers to customize your light to your space.

Solar lighting is incredibly easy to install - you likely won’t need to do any wiring at all. Many solar lights - solar post caps, for example - include a solar collection panel built in and already connected to your lights. Solar lights usually operate on a photocell that automatically senses ambient light and turns your deck lights on at night and off again during the day. Solar light batteries charge in the sunlight during the day for steady illumination overnight. Solar lights are a very cost-effective option, they’re easy to install, and they make your deck eco-friendly and energy-efficient.

How Can I Tell If A Light Is Cool White Or Warm White?

It can be difficult to tell what color tone a light will have before it’s installed. One helpful hint is to look for the color temperature, measured in Kelvins:

5000 Kelvin	A cool, bright white light
3000 Kelvin	A warm white light with yellow tones

Are Deck Lights Worth It?

Lighting is an amazing upgrade to your deck space for both looks and functionality. Unlit decks and outdoor spaces are limited by daylight hours - no matter how beautiful and comfortable you’ve made your deck, no one can enjoy it in the pitch dark.

Adding lighting effectively buys you more time. Dinners on your deck can extend through drinks and dessert. You can enjoy late-night chats with family and friends within the soft glow of your deck lights under a grand night sky. You can watch the sun come up with a hot cup of coffee. For grillmasters, your outdoor kitchen won’t have to close at sundown. Even as seasons change and days get shorter, early sunsets won’t encroach on your deck time.

Lighting is also a showstopper that takes your deck from just beautiful to simply awe-inspiring. We love tailoring our selection of deck lights to your personal style. From the unique character of post cap lights to the visual appeal of under rail lighting to the focused, spotlight nature of recessed lighting and stair lighting, your deck lights are the perfect cherry on top of your desired deck look.

Can I Leave Deck Lights Out All Year?

Outdoor deck lights are built to withstand the elements. At DecksDirect, we only carry durable, high-quality products made to last through rainy and snowy weather. We include installation instructions and project guidance to make sure that your plan is built for your local climate, and that all your lights get installed properly. Give us a call at 1-888-824-5316 to get started on your personalized deck lighting designs!

Installing Lighting

Can I Install My Own Deck Lights?

Absolutely! For those of us who aren’t electricians, wiring can seem like a daunting task. Fortunately, outdoor lights are simple to install, and getting even easier as more and more quick-install options appear on the market.

If you’re worried about installing your own lighting, we’d recommend picking solar lighting options, as they’re generally easier to install. You can also shop for low voltage lights that run on a “plug and play” system. If you give our team a call at 1-888-824-5316, we’d be happy to help you create a lighting plan that will be completely doable for you!

How Do I Wire Outdoor Lights?

Low voltage lights connect to a standard GFCI wall outlet. In the simplest setup, you plug a transformer into your wall outlet, then connect your lights to the transformer. Wiring up your lights doesn’t have to be difficult - our team of project planners is available by phone to help you make a plan and install your lighting. You can learn more about making a lighting plan with our handy guide here.

If you choose to add automated timers or dimmers, follow this order for connecting your low voltage lighting:

Wall Outlet --> Timer --> Transformer --> Dimmer --> Lights

Diagram on how to wire low-voltage outdoor lighting

What Size Transformer Do I Need For My Lights?

Each lighting transformer can only power a certain number of lights. Transformers will list “wattage” or “output wattage.” This is the amount of power the transformer can distribute to all the lights attached to it.

When you browse our transformers, you’ll find varying wattage levels. Here’s how to figure out what size transformer you’ll need for your project:

Figure out how many lights you want to run off of this transformer
Add up the wattages of each of those lights
Take the total wattage of all lights times 1.1 to find the minimum transformer size you’ll need

If your wattage requirements are high, consider splitting up your lighting between multiple transformers. Our team, available by phone at 1-888-824-5316, loves to connect with customers and help design a lighting plan, so you can plug everything in with peace of mind that your setup will be safe and bright.

Can I Install Lights In My Deck Floor?

Yes, you can. It’s easy to recess lights into your deck floor to illuminate walkways and highlight the edges of your outdoor living space. Most recessed stair lights can also be installed directly into your deck surface. Our team is committed to the DecksDirect value of Real People, Real Service - give us a call at 1-888-824-5316 to talk with a real deck project planner who can guide you through recessed lighting installation.

Where Can I Install Lighting On My Deck?

The short answer: anywhere you want! Outdoor lighting has made amazing strides in recent years, and you now have access to deck lighting options for every deck part imaginable.

You can provide safe access to your deck with stair riser lights. You can mount lights on your deck posts. No matter your vision, there’s post cap lighting to match. Lights can mount underneath your railings. And, of course, you can customize all of it with dimmers, timers, or solar setups.