Keeping Your Infrared Heaters Safe in Wet Zones
If you’re putting infrared lamps in a bathroom or a wet pergola, a “splash-proof” cover isn’t going to cut it. You’ve got high-wattage elements on one side and conductive moisture on the other. That’s a dangerous mix. One tiny leak or a slip-up in the insulation, and you’re looking at a ground fault. To keep things safe, we look at protection in three different layers. First, let’s talk about the tubes. Standard quartz just can’t handle constant steam. We use special dielectric coatings and end-caps that are sealed tight. This stops moisture from creeping into the filament chamber. Plus, if a drop of cold water hits a scorching hot tube, the glass can crack. We use a specific thickness of glass to handle that thermal shock without breaking a sweat. Then there’s the wiring. Here is the thing: the connector is almost always where things go wrong. Whether you’re using R7s or custom leads, the junction needs to be “potted.” Basically, we wrap the terminals in high-temp silicone or epoxy resins. It creates a solid physical block that water just can’t get through. Please, don’t trust shrink wrap in a bathroom. It peels. Potted connections are the only way to make sure the electricity stays where it belongs, even when the housing gets damp. And of course, the safety side of things. Every chassis has to be bonded to a dedicated earth ground. We build leakage protection right into the design so the breaker trips long before a person becomes the path to the ground. But there is a catch. If you seal a unit too tightly to keep the steam out, the internal electronics can’t breathe. The driver temperature starts to climb. It’s a balancing act—you need a seal that keeps the moisture out but still lets the heat escape through a proper heat sink. And one last thing? Wire it to a GFCI outlet. No exceptions. Just do it.