Skip to content

To access wholesale pricing, or apply for an account.

Technology/ gfci tripping

Stop current leakage and gfci trips in christmas lights

Written by S4 Marketing

Stop Current Leakage and GFCI Trips in Christmas Lights

GFCI tripping is an installer's nemesis. But it doesn't have to be. GFCI tripping can be reduced significantly and even completely eliminated with the right products and protocol. 

Imagine your Christmas light string as a line of elves passing gifts down a snowy assembly line. Each elf—representing an LED or a segment of wire—takes a bit of energy (current), does their job, and passes it along to the next elf, all the way back to Santa’s workshop (the neutral wire returning current to the power source). 

But uh-oh... one mischievous elf has a hole in his mitten, and a few gifts fall into the snow, never making it back to Santa. That’s current leakage—electricity escaping from its intended path, often into the ground. 

Now, Santa’s no rookie. He’s got a GFCI (Ground Fault Circuit Interrupter) keeping watch. It checks that the number of gifts (current) leaving the workshop matches the number returning. If even a few milliamps go missing—those lost-in-the-snow gifts—Santa shouts: 

"That’s it! Shut it down!" 

That’s the GFCI trip, and it’s not being grinchy—it’s a critical safety measure protecting your family, your display, and your electrical system. 

Why Elves Drop the Gifts (Common Causes of Current Leakage) 

  • Water in connectors, like melted snow sneaking into a sack 
  • Cracked insulation, like holes in mittens 
  • Water intrusion into the LED husk, creating stray paths for current 
  • Old or poor-quality construction, where parts degrade over time 
  • Leaky connectors between light strings 
  • Too many connected strings, increasing stress and points of failure 

How to Keep the Elves in Line (and Your GFCI Happy) 

To keep your holiday lights glowing without frustrating GFCI interruptions, follow these simple yet effective steps: 

  1. Inspect Carefully – Check wires, connectors, and husks for damage or wear before installation. 
  2. Keep the Insides Dry – Use sealed technologies like NxG® and Benchmark Coupling™ to keep moisture out. 
  3. Replace When Needed – If a string or component looks damaged, retire it. It’s not worth the risk. 
  4. Don’t Overload – Follow manufacturer connection limits to avoid stressing the system. 

S4’s Secret Weapon for GFCI-Free Holiday Cheer 

Benchmark Coupling™ – Santa’s Watertight Sleigh Hitch 

Think of S4’s Benchmark Coupling as the rugged clasp keeping your sleigh (light strings) connected through any snowstorm. These advanced couplings seal tightly to block water—the #1 cause of GFCI tripping. 

  • Time-saving twist-lock connectors 
  • Weather-resistant sealing 
  • Ideal for end-to-end outdoor connections 
  • Prevents leakage at the most vulnerable junctions 

NxG® Epoxy-Filled Light Strings – The Elf-Proof Mitten 

S4’s NxG Technology wraps every critical connection in an epoxy-filled husk—like insulating those tiny elf mittens in unbreakable magic. 

Epoxy-filled husk completely seals out water 
Superior bonding prevents galvanic corrosion and leakage 
Dramatically reduces or eliminates GFCI tripping, especially in low-voltage systems 
Built for 4-season, professional-grade installations 

Whether you’re using standard 120V power or S4’s Versaline® low-voltage system, NxG delivers unmatched durability and peace of mind—because nobody wants the lights to go out just as Santa’s landing. 

The Bottom Line 

When a GFCI trips, it’s doing its job—but it doesn’t have to ruin your holiday display. With smart prep and S4’s advanced, field-proven technology, you can eliminate the leaks, calm the GFCI, and deliver a bright, reliable, and professional-looking install. 

So this season, keep your elves coordinated, your gifts on track, and the magic glowing—with S4, the lights stay on.