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.
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.
Designed to survive real job sites, bad weather, and long nights.
"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
Installation is simple. Just slide on the waterproof cover and secure your connection.
Trusted protection for holiday lights, job sites, fountains, and outdoor appliances.
From holiday lights to job sites Rain Block®® protects any outdoor electrical connection.
Quick answers to common questions.
Real reviews from Rain Block®users across the country.
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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.
Fast Install & Remove