Waterproof Protection

Keep Your Outdoor Electrical Safe

Rain Block's® innovative waterproofing solution protects your outdoor electrical connections and holiday lighting from water damage. Let your lights shine bright, even in the rain.

Need details first? Read our waterproof extension cord connector guide.

Trusted by professional installers
  • 100% Waterproof
  • Easy Installation
  • Durable & Reliable
  • All-Season

Why it Works
Gel-lock® gaskets by Rain Block®®

Compressed gasket close-up

The Gel-Lock® extreme compression technology creates a tight, waterproof seal around your plugs and cords, preventing water intrusion and ensuring your connections stay dry in any weather.

Fast Install & Remove
Slip it on, press to seal - no messy DIY wrapping.
Reusable
Remove and reuse season after season.
Works in Tough Conditions
Built for outdoor use in rain, snow, sprinklers, and messy job sites.
Professional installer using Rain Block® on a job site

Built for Professional Installers

Designed to survive real job sites, bad weather, and long nights.

  • Helps prevent water-related failures
  • Faster and more reliable than other methods
  • Clean, repeatable installs
  • Reusable across seasons
  • Fewer callbacks and callouts
  • Trusted by contractors nationwide
★★★★★

"We switched from old DIY sealing methods to Rain Block®'s Gel-Lock gaskets and stopped getting rain callbacks. We don't do installs without them."

- Holiday Lighting Contractor, Florida

How it works

Installation is simple. Just slide on the waterproof cover and secure your connection.

1) Position
1) Position
Align the Gel-Lock® gasket over your outdoor electrical connection.
2) Secure
2) Secure
Lock it in place-it works with any standard outdoor connection.
3) Protected
3) Protected
Your connections stay dry and protected in any weather.

Why Choose Rain Block®?

Trusted protection for holiday lights, job sites, fountains, and outdoor appliances.

Waterproof Design
Advanced sealing technology prevents short circuits and water damage.
Easy Installation
Simple snap-on design makes installation quick and hassle-free.
Durable & Reliable
Built for extreme weather. UV-resistant materials ensure long-lasting protection.

Works Everywhere

From holiday lights to job sites Rain Block®® protects any outdoor electrical connection.

Holiday Lighting & Decorations
Holiday Lighting & Decorations
Keep your festive displays bright and safe in any weather. Christmas lights to Halloween decorations-Rain Block®has you covered.
Job Sites
Job Sites
Protect power tools and equipment from rain, mud, and harsh construction environments.
Outdoor Appliances
Outdoor Appliances
Safeguard outdoor kitchens, grills, fountains, and entertainment systems from weather damage.
Agricultural Operations
Agricultural Operations
Protect irrigation systems, livestock equipment, and agricultural machinery from the elements.

FAQ

Quick answers to common questions.

Is Rain Block® truly waterproof?
Yes, advanced sealing technology blocks rain, splashes, and water damage while maintaining proper electrical safety standards.
Will it work with my outdoor lights?
Absolutely. Rain Block®works with standard outdoor electrical connections, including extension cords and holiday lighting setups.
How long does it last?
Rain Block® is built for durability with a 5+ year warranty and UV-resistant materials for long-lasting protection.
Can I use it on multiple connections?
Yes, one kit protects multiple connections. Simple, reusable, and ready for any outdoor setup.
50K+
Happy Customers
100%
Waterproof
5+
Years Warranty
24/7
Protection

What Our Customers Say

Real reviews from Rain Block®users across the country.

Ryan Henson
Works Well

Reviewed in the United States on December 14, 2025

Item Package Quantity: 10

"I have used these for about 4 years and they really help prevent shorting. They helped minimize breaker flips across multiple Christmas light displays."

One person found this helpful

Customer review

Leo
These work great!

Reviewed in the United States on January 29, 2025

Item Package Quantity: 50

"These saved my outdoor display after heavy rains. I installed them and did not have a single issue with tripping circuits after that."

2 people found this helpful

Customer review

AM
Great product..!

Reviewed in the United States on November 22, 2018

Item Package Quantity: 50

"Very flexible, easy to install, and they absolutely work. After switching to these gaskets I ran into no weather-related issues."

35 people found this helpful

Customer review

Prime#
Pricey but does the job well

Reviewed in the United States on November 27, 2017

Item Package Quantity: 50

"The product works great and my breakers have not kicked off in rain. Soft gel seal material keeps water out when the connection is good."

22 people found this helpful

Customer review

goddessnna
Worked!

Reviewed in the United States on January 22, 2025

Item Package Quantity: 50

"It rained and snowed and I did not trip the breaker once. The year before, without these, it did trip."

Customer review

jaxops
Very Cool

Reviewed in the United States on March 3, 2024

Item Package Quantity: 10

"I use it for my pool pump to an outdoor outlet. Keeps the rain out and I do not get a short anymore."

2 people found this helpful

Customer review

Bort
LIGHT STRINGS DON'T SHORT OUT!

Reviewed in the United States on December 10, 2019

Item Package Quantity: 10

"These saved my sanity in rainy PNW winters. My 20+ outdoor light strings kept shorting, and these gummy but sturdy gaskets kept heavy rainwater out."

One person found this helpful

Customer review

Happy Shopper
These are wonderful and they do work!

Reviewed in the United States on October 9, 2018

Item Package Quantity: 50

"I added these to every outdoor plug connection and after months of heavy rain, I have not had breaker kick-offs."

13 people found this helpful

Customer review

Stuart A. Joynt
Good product

Reviewed in the United States on June 20, 2019

Item Package Quantity: 10

"Used these on a farm extension cord setup to keep charging equipment protected from weather. Works well with outdoor connection protection."

3 people found this helpful

Customer review

Ryan Henson
Works Well

Reviewed in the United States on December 14, 2025

Item Package Quantity: 10

"I have used these for about 4 years and they really help prevent shorting. They helped minimize breaker flips across multiple Christmas light displays."

One person found this helpful

Customer review

Leo
These work great!

Reviewed in the United States on January 29, 2025

Item Package Quantity: 50

"These saved my outdoor display after heavy rains. I installed them and did not have a single issue with tripping circuits after that."

2 people found this helpful

Customer review

AM
Great product..!

Reviewed in the United States on November 22, 2018

Item Package Quantity: 50

"Very flexible, easy to install, and they absolutely work. After switching to these gaskets I ran into no weather-related issues."

35 people found this helpful

Customer review

Prime#
Pricey but does the job well

Reviewed in the United States on November 27, 2017

Item Package Quantity: 50

"The product works great and my breakers have not kicked off in rain. Soft gel seal material keeps water out when the connection is good."

22 people found this helpful

Customer review

goddessnna
Worked!

Reviewed in the United States on January 22, 2025

Item Package Quantity: 50

"It rained and snowed and I did not trip the breaker once. The year before, without these, it did trip."

Customer review

jaxops
Very Cool

Reviewed in the United States on March 3, 2024

Item Package Quantity: 10

"I use it for my pool pump to an outdoor outlet. Keeps the rain out and I do not get a short anymore."

2 people found this helpful

Customer review

Bort
LIGHT STRINGS DON'T SHORT OUT!

Reviewed in the United States on December 10, 2019

Item Package Quantity: 10

"These saved my sanity in rainy PNW winters. My 20+ outdoor light strings kept shorting, and these gummy but sturdy gaskets kept heavy rainwater out."

One person found this helpful

Customer review

Happy Shopper
These are wonderful and they do work!

Reviewed in the United States on October 9, 2018

Item Package Quantity: 50

"I added these to every outdoor plug connection and after months of heavy rain, I have not had breaker kick-offs."

13 people found this helpful

Customer review

Stuart A. Joynt
Good product

Reviewed in the United States on June 20, 2019

Item Package Quantity: 10

"Used these on a farm extension cord setup to keep charging equipment protected from weather. Works well with outdoor connection protection."

3 people found this helpful

Customer review

Ready to Let Your Lights Shine?

Join thousands of customers who trust Rain Block®® to keep their outdoor electrical connections safe and dry.

Looking for a waterproof extension cord connector or help with protecting Christmas light plugs from rain? Start with our guide and product options.