How to Protect Outdoor Lights from Rain?

April 12, 2025

Outdoor lighting is a fantastic way to elevate your property's appearance, improve safety, and enhance nighttime functionality. But when the skies open up, rain can pose a serious threat to your investment. Water and electricity don’t mix, and without proper precautions, even the best lighting systems can fail, corrode, or become safety hazards.


In this guide, we’ll show you exactly how to protect outdoor lights from rain with proven strategies. Whether you're a homeowner lighting your backyard or a commercial property manager overseeing large-scale installations, these tips—backed by the professionals at Bernardy Lighting LLC—will keep your outdoor lights shining bright, rain or shine.


Why Rain Protection Matters for Outdoor Lighting

Water damage is one of the leading causes of electrical failure in outdoor lighting systems. From short circuits and power loss to accelerated wear and fire hazards, ignoring rain protection can lead to costly repairs—or worse.


Here’s what can go wrong:

  • Corrosion of electrical components

  • Dimming or flickering performance

  • Power outages or breaker trips

  • Safety risks from exposed wiring

That’s why outdoor lighting design and installation must always include weatherproofing strategies, especially in areas like Lewisville, TX, where the weather can be unpredictable.


Understanding Outdoor-Rated Fixtures

Before installing anything outside, you need to choose the right fixtures. Not all outdoor lights are created equal.


Key Ratings to Know:

Rating What It Means
Damp-Rated Handles humidity and light moisture; not ideal for full exposure
Wet-Rated Designed for direct exposure to rain, snow, and splashing water
IP65/IP67 IP ratings determine dust and water resistance; higher is better

When in doubt, always opt for IP65 or higher. These fixtures are sealed against rain and debris, making them ideal for landscape lighting, commercial applications, and high-moisture environments.

Common Vulnerabilities in Outdoor Lighting

Even the best fixtures can fail if installed incorrectly or left exposed. Let’s highlight where most problems begin:

  • Exposed wire splices or open sockets

  • Improperly sealed junction boxes

  • Fixtures mounted too low (where water pools)

  • Lack of drainage or shielding

Outdoor lighting design should always account for weatherproof installation. This includes using proper lighting automation, secure hardware, and drainage-conscious positioning.


How to Protect Outdoor Lights from Rain: Step-by-Step

Let’s break it down into practical, professional steps:


1. Use Weatherproof Fixtures

Start with products designed for the elements:

  • Wet-rated LED fixtures

  • IP65+ rope lights

  • Sealed landscape lighting kits

Avoid using indoor fixtures outside—even if sheltered.


2. Seal All Electrical Connections

Use waterproof wire connectors, heat shrink tubing, or gel-filled splices to seal every junction.

  • Apply silicone caulk around entry points.

  • Use gasketed covers on all outlet boxes.s

3. Install Protective Covers

Use housings or shields to keep water off the bulbs and wiring. For outlets and timers:

  • Choose in-use waterproof outlet covers

  • Use weatherproof plug boots or enclosures.

4. Use GFCI Outlets

A Ground Fault Circuit Interrupter (GFCI) is essential for outdoor power. It cuts off electricity if it detects water or a shock risk, keeping your property safe.


5. Elevate and Angle Fixtures Properly

Install lights a few inches off the ground to avoid puddling. Angle fixtures to:

  • Direct rain away from wiring

  • Allow water to flow off the housing.g

Bernardy Lighting LLC Tip: When designing landscape lighting, always account for runoff and slope to avoid water accumulation near fixtures.


6. Automate with Smart Controls

Intelligent lighting systems allow you to:

  • Schedule lights during dry hours

  • Turn off lights during heavy storms.

  • Monitor energy usage and maintenance alerts.

If you’re considering an upgrade, lighting automation makes maintenance easier and more efficient.


Routine Maintenance: The Key to Long-Term Protection

Just like HVAC or roofing, lighting systems need checkups—especially after heavy rain. Here’s a simple maintenance routine to follow:

  • Inspect seals and gaskets every few months

  • Wipe the lenses and covers to remove dirt and water spots.s

  • Check for moisture inside the enclosur.es

  • Test GFCI outlets monthly.

  • Look for signs of corrosion or flickering.g

When in doubt, always consult a professional for lighting repair and maintenance to avoid safety hazards.


Protective Measures at a Glance

Here’s a handy reference table for quick decision-making:


Protection Method Purpose Tools/Products Needed
Weatherproof Fixtures Prevent internal damage Wet-rated LED lights, IP65 kits
Waterproof Wire Connectors Block water from entering wire splices Gel-filled wire nuts, shrink tubing
Outlet Covers & Plug Boots Shield power connections Weatherproof outlet enclosures
GFCI Outlets Prevent electrical hazards GFCI outdoor kits
Elevated Mounting Avoid water pooling Mounting brackets, risers


DIY or Call a Pro? Here’s When to Hire Experts

Simple installations like stringing lights on a patio may be DIY-friendly. But when you're dealing with:

  • High-voltage systems

  • Automation integrations

  • Commercial lighting upgrades

  • Multiple zones or levels

It’s best to bring in professionals.


Why Choose Bernardy Lighting LLC

At Bernardy Lighting LLC, we specialize in:

  • Custom outdoor lighting design and installation

  • Landscape lighting for homes and businesses

  • Lighting upgrades to innovative and energy-efficient systems

  • Full-service repair and maintenance

  • Expert-level commercial lighting solutions

Serving Lewisville, Texas, and surrounding areas, our team is trained to handle installations with weatherproof precision, safety, and visual impact in mind.


Conclusion

Protecting your outdoor lights from rain is essential—not just for performance but also for safety and long-term durability. From weather-rated fixtures and GFCI outlets to automation and smart design, you now have a solid game plan to keep your lighting systems rain-ready.


Need help with a rain-resistant lighting setup? Whether it’s a residential backyard or a large commercial lot, Bernardy Lighting LLC has the tools, expertise, and vision to get the job done right.


Frequently Asked Questions

Can I leave outdoor lights on in the rain?

Yes, as long as they’re rated for wet conditions and plugged into GFCI outlets.


What happens if water gets into a fixture?

 It may short-circuit, cause flickering, or stop working entirely. Always turn off the power and inspect it before use.


How can I waterproof my current setup?

 You can retrofit existing lights with weatherproof covers, sealants, and junction boxes. Or schedule a professional assessment.


Do bright outdoor lights work in bad weather?

Yes, especially when appropriately integrated. Many are designed with weatherproof casings.

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