100L 5mm Dome Curtain Light Strings, 3in Bulb Spacing
24VDC • Black Wire • S4i® DOP
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)
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:
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.
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.