Keeping Your Infrared Heaters Dry (And Safe) in Wet Spots
Running infrared lamps in a damp spot—think chicken coops or areas where you’re constantly spraying down the floors—is a recipe for a headache. Water loves to find a path to electricity. If a stray drop hits a live terminal, you’re looking at a short circuit or a ground fault. Not great. The trick is to build a wall between the water and the power.
Stopping the “Leak”
When things get humid, your standard plastic parts just don’t cut it. To keep the heater truly isolated, we lean on high-temperature ceramics or reinforced silicone gaskets at the ends of the lamp. These materials act like a shield, stopping moisture from creeping into the socket. And you’ve got to keep an eye on leakage current. In a wet environment, even a tiny bit of electricity escaping to the chassis can trip your GFCI. Or, even worse, it can turn the whole enclosure into a shock hazard. We make sure our insulation can handle way more voltage than the lamp actually uses, just to give you a healthy safety cushion.
Plugging the Holes
Here’s the thing: the connection is almost always the weakest link. Whether you’re using an R7s or a screw-base, that gap where the lamp meets the power lead is exactly where water likes to sneak in. To stop that, we use IP65-rated housings and heat-shrink tubing with an adhesive lining. It creates a physical seal that keeps steam and spray out. But don’t make the mistake of trusting the lamp’s glass to do the work. The glass is there to radiate heat; the ends are where you’re vulnerable. We actually “pot” the connections—which just means filling the terminal box with epoxy resin. It kills off the air gaps where condensation usually forms.
The Catch
Now, there’s a trade-off. Tight seals are great for keeping water out, but they trap heat. When you wrap a lamp in a waterproof shell, you lose that natural airflow around the socket. If you aren’t careful, the wires can literally bake until they become brittle and snap. It’s a balancing act. You need that waterproof rating, but you also need enough venting or a decent heat sink so your wiring doesn’t fry itself.