How to Install Commercial LED Christmas Lights: A Step-by-Step Guide
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Time to read 11 min

LED lights are an ideal commercial Christmas display component. They light up your commercial space, offering various vibrant hues while saving money on electricity. But they will only look their best with proper installation.
A well-planned installation will enhance your display, ensuring all lights are optimally placed. The lights will be secure, demonstrating a confident appearance and utmost safety. This article will explain how to install commercial Christmas lights, providing all the required information.
Table of Contents
Step 1: Plan Your Commercial LED Christmas Light Installation
A lighting installation plan is a necessary first step. Here is what your plan should entail.
Identify Key Areas for Lighting
To install commercial LED Christmas lights, you must first determine where your lights will be installed. Will your installation be indoors or outdoors?
If you plan a conventional outdoor display, your lights may run along your windows, doors, roof, eaves, and frame. An indoor display may include lights positioned along the corners and ceiling of your interior. You may also use your lights to decorate your tree and lamposts.
With a themed display, your lights may form specific shapes or highlight elements such as characters or images.
Choose the Right Type of Commercial LED Lights
LED lights come in various shapes, colors, and sizes. Here are some things to consider when choosing the lights that are right for you:
- Color: Choose a color that matches your display or brand image.
- Size: LED lights can be small to produce a subtle, glittery appearance or large and bold.
- Length: Ensure your strings are long enough to color your space.
- Shape: LEDs are available in various shapes, from conventional bulbs to unique imagery.
- Rating: Your lights should be rated for outdoor or indoor use, depending on your requirements. Outdoor lights are typically more durable but may be too powerful for indoor spaces.
- Functionality: Many displays require lights that blink on and off or move in a pattern. Ensure your lights meet your aesthetic needs.
Calculate Power Requirements and Load Capacity
Ensure you have enough power in your commercial space to operate your display. You can calculate your Christmas light power by:
- Find the wattage of each light strand and add the wattage of each strand.
- Multiply the wattage by how many hours you plan to run your display daily.
- Divide the total by 1000 to get the power usage in kilowatt-hours.
If your Christmas display is going to exceed the power you have in your commercial space, you may:
- Use extension cords to connect your lights to additional outlets- ensure the extension cords are rated for the required amperage.
- Enhance your display with solar-powered and battery-powered lights.
Integrate lights that run on lower voltage.
Consider installing a portable power station to provide the additional voltage.
Use Timers and Automation for Easy Control
Automation and timers make your lights easy to control. Timers for LED lights will turn your lights on and off, ensuring they are displayed during business hours while avoiding excessive energy use. Automation can set your lights on a specific pattern, ensuring they are perfectly timed to run to music or any other display needs.

Step 2: Gather Tools & Materials for Installing Commercial LED Christmas Lights
LED light installation requires various tools and materials. Ensure you have the following on hand before getting started.
Essential LED Installation Tools
You will need the following tools for installation:
- LED lights
- Power cords and extension cords rated for the required amperage and for indoor/outdoor use
- A ladder
- A tape measure
Scissors or wire cutters
Outdoor-rated hooks and clips
A power drill
Zip ties or electrical tape
Use Weatherproof Connectors and Commercial-Grade Extension Cords
Ensure you have weatherproof connectors on hand to string lights together. Commercial-grade extension cords will help you access extra energy and hold up well to the elements.
Ensure GFCI Outlets for Outdoor Safety
GFCIs are a necessary safety feature. They detect imbalances in circuits and will shut off power before an incident occurs. These electrical components are especially essential in outdoor spaces where hazards are more likely to happen. They will keep you, your business, your employees, and your customers safe.
Step 3: Follow Safety Precautions Before Installing Commercial LED Lights
Safety is a major consideration for any business. Christmas light displays can be a huge liability. Keeping yourself, your stakeholders, and your business safe is imperative.
The following safety precautions for lights will ensure a risk-free installation.
Inspect LED Lights Before Installation
Conducts an LED light inspection to check for frayed wiring, blown bulbs, and other hazards. Some issues may be reparable, but it’s best to play it safe and discard any problematic components.
Use Stable Ladders and Wear Insulated Gloves
Accidents may also occur when climbing on ladders. Use a ladder that you know is stable and durable. You should also follow ladder safety rules such as maintaining three-point contact, facing the ladder when climbing and descending, and keeping your body inside the rail.
You should also wear insulated gloves when installing lights or doing any electrical work. These gloves act as a barrier between the hands and electric components. They feature a non-conductive material that insulates against shocks.
Avoid Circuit Overloads and Follow OSHA Safety Standards
The following tips will ensure you don’t overload circuits as per OSHA safety standards:
- Spread the load across multiple outlets
- Use surge-protected power strips to distribute the power further
- Check your Christmas light wattage, ensuring they don’t exceed capacity
Inspect lights for damage and ensure they are securely plugged in
If you are working on an outdoor display, ensure your components are rated for outdoor use and use outdoor GFCI outlets
Consider using a dedicated server designed for Christmas lights
Avoid running lights through doors and windows
Don’t daisy chain power strips.
Step 4: Install Commercial LED Christmas Lights on Different Surfaces

Your installation methods will vary depending on the surface. The following sections will review how to approach different installations.
Installing Lights on Buildings & Storefronts
Buildings and storefronts are often made of concrete or another durable material, making installing lights on the surface challenging. You may drill into the surface to hang lights, but this is not always a feasible solution.
It may be easier to hang hooks and hook your lights through them. Another option is purchasing mounting tape designed for these purposes. It is durable and designed to withstand the elements.
Tension rods can also be used to hang lights and won’t require any drilling.
Wrapping Commercial LED Lights Around Trees & Shrubs
For tree light installation, ensure your lights will be long enough to wrap around the tree or shrub and adequately cover the surface. Then, follow this step-by-step process:
- Start wrapping the lights at the bottom and move upward.
- Wrap lights around the main branches, ensuring even distribution
- If you want a more complete look, consider wrapping smaller branches
- Use your hands and fingers to maintain consistent spacing
- When you come to the end of a light strand, fasten it with a nearby branch or zip-tie
- Use a ladder if necessary
Securing Lights on Walkways & Fences
Methods for installing walkway Christmas lights vary depending on the surface material. The following applications may be practical:
- Drilling holes
- Screwing in dedicated light fixtures
- Using cable or zip ties
- Using specialized fence post mounts
- Using nails or stables
- Applying adhesive clips
Regardless of the method you choose, you must:
- Plan placement carefully to ensure your display looks balanced.
- Use weatherproof materials for optimal safety
- Conceal wires to ensure an attractive aesthetic and minimize damage
- Comply with electrical safety standards
Attaching LED Lights to Rooftops & Awnings
The following methods will produce effective results when you install lights onthe roof:
Plastic Clips: These clips attach to the edge of the shingles or gutter without damaging the roof.
Adhesive Clips: Adhesive clips stick directly to the gutter. They are moisture-resistant.
S-shaped Gutter Hooks: These hooks attach to the top of the gutter. The lights hang from the opposite side.
Flex Clips: These clips attach to the socket, ensuring the bulb locks into place.
Zip Ties: Zip ties are often used to attach lights to structures. They are especially effective for intricate designs.
Magnetic Clips: Magnetic clips are ideal for metal surfaces.
Step 5: Connect and Secure Commercial LED Christmas Lights Properly
When decorating a commercial space, you must properly connect and secure Christmas lights to ensure an aesthetically pleasing and safe display. This section will outline the steps you should take.
Test All Light Strands Before Hanging
Test your light strands before hanging them to ensure all bulbs are light. Doing so will prevent the time-consuming process of removing lights that don’t function properly after installation.
Connect LED Lights in Sections to Prevent Tangles
Connecting lights in long strands increases the risk of tangling, especially if you hang them across sections like multiple walls or rooms. To prevent light tangling, use shorter strands and connect them in sections.
Use Weatherproof Extension Cords for Outdoor Use
Weatherproof extension cords for outdoors feature a layer of protective insulation, a three-prong plug, and a higher amperage rating. They reduce the risk of electric shocks and are designed to withstand the elements.
Step 6: Automate Commercial LED Christmas Lights for Efficiency
Automating your display will increase efficiency and enhance your design. The following systems will ensure your systems run their best.
Set Up Timers and Smart Controllers
Timers and smart LED controllers can turn lights on and off to ensure your display is on during business hours and shut off later in the evening to avoid wasting energy. They also program lights so they follow an attractive pattern.
Adjust Brightness with Dimmable LEDs
Dimmable LED lights can make your display more dynamic. They may also be helpful if a neighbor complains that your display is too bright. Adjust the brightness to achieve the ideal aesthetic.
Consider Solar-Powered LED Lights for Energy Savings
Solar-powered Christmas lights further reduce your energy use and increase your cost savings. They often feature an individual solar panel that powers your system. Power them during the daytime, and they will run all night.
Step 7: Maintain and Troubleshoot LED Lights
LED light maintenance and troubleshooting ensure your lights are safe and look their best. Here are some tips to consider.
Regularly Inspect and Replace Burnt-Out Bulbs
Burnt-out bulbs can make your display look unattractive and make your company seem less professional. Fortunately, many strands come with replacement bulbs that allow you to correct the issue without entirely replacing the strand.
Check Your LED Light Connection After Rain, Snow, or High Winds
Even a system rated for outdoor use can be affected by rain, snow, or high winds. Check your connections after a storm to ensure they are still working. For optimal safety, ensure your components are dry and well-connected before you test.
Store Lights Properly to Extend Lifespan
Proper storage will reduce issues and extend your LED lights’ lifespan. Here are some storage tips to consider.
- Prevent tangles by winding lights around a cardboard tube
Store lights in a bin in a cool, dry area to prevent damage
Ensure your lights are dry before storing them
Troubleshoot Common Issues: Flickering, Blown Fuses, Loose Connections
Typical issues may cause your LED lights not to work correctly. If you experience flickering, blown fuses, or loose connections, try the following troubleshooting methods:
- Loose Connections: Ensure all components are well-connected
Incompatible Dimmers: An incompatible dimmer rated for an incandescent bulb can cause lights to flicker
Faulty Power Supply: Issues can occur due to a damaged or malfunctioning power supply
Overloaded Circuits: Overloaded circuits can cause flickering or dimming
Poor Wiring: Incorrectly installed wiring can cause inconsistent brightness
Overheating: if your LED fixtures are not adequately ventilated, the bulbs performance may be impacted
Conclusion
LED light installation is not always straightforward. If you don’t feel confident about getting the job done safely or think your lights may not look your best, don’t hesitate to contact Dekra-Lite. We provide everything from high-quality decorations to complete installation, ensuring your property looks its best.
FAQs
What type of lights do professionals use?
LED lights are popular for professionals because they are durable, energy-efficient, and offer color varieties. Professional LED lights are typically commercial-grade and feature heavy-duty wiring and stronger bulbs. However, some professionals also integrate incandescent lights, known for their warm aesthetic.
How do you connect commercial LED Christmas lights?
LED Christmas lights are typically connected with coaxial connectors, which are threaded male and female components that screw together tightly to form a weatherproof seal.
How much does professional Christmas light installation cost?
The price of professional Christmas light installation varies depending on the complexity of the design. However, most clients will pay between $2.50 and $7 per linear foot. The average cost is usually between $250 and $650 for a 1500-square-foot space.
What’s the difference between C7 and C9 lights?
When considering C7 vs. C9 lights, the biggest difference is their size. C9 lights are much larger and fit into bigger sockets. They are typically 2 ⅞ “in height and 1 ⅛ “in width. C7 lights generally are 2 ⅛ “ in height and ⅞ “ in width.
What is SPT1 vs. SPT2 wire?
SPT1 and SPT2 wires are electrical chords typically used for Christmas light installations. SPT2 has thicker insulation, making it better suited to withstand the elements. SPT1 is thinner and more pliable, making it suited to standard applications.
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