
Keeping Infrared Heaters Safe in the Bathroom
Bathrooms are a nightmare for electronics. You’ve got steam everywhere and water splashing just about everything. When you’re putting an infrared heater in a spot like that, the biggest worry is current leakage. To make sure everything stays safe, we spend most of our time obsessing over where the heating element meets the outer shell. Dealing with damp air Here’s the thing: water vapor makes air a lot less effective at stopping electricity from jumping where it shouldn’t. That’s why we use high-purity quartz glass for the envelope. It acts as a rock-solid barrier. The real danger zone, though, is the seal where the quartz tube meets the wires. If that fails, moisture wicks inside, hits the filament, and pop—your heater is dead because of oxidation. We use specialized glass-to-metal seals to lock that moisture out completely. Connectors and grounding Standard plugs and connectors just don’t cut it in a steamy room. They corrode or leak. Instead, we use sealed terminals and heat-resistant sleeves to keep the dampness away from the guts of the machine. And please, make sure the chassis is properly grounded. It’s your safety net. If a wire frays or the insulation wears down over time, you want the breaker to trip instantly. You definitely don’t want the heater casing becoming live. The balancing act It sounds simple—just seal everything tight, right? Well, not exactly. If you seal it too tight, you can trap gases inside. We handle this by using specific halogen fills. It keeps the light output strong while maintaining a vacuum-tight seal. Just a heads-up: these are built for humidity, but they aren’t submarines. They can’t be submerged. If you’re installing these in a spot where they’ll get sprayed directly, grab an IP-rated enclosure to keep the wiring junctions dry. At the end of the day, it comes down to the physics of the seal. No leaks, no shorts. It’s the only way to sleep easy when you’ve got electricity and water in the same room.