Manufacturers like Crouse Hinds and RAB Lighting offer models with specialized finishes to resist salt air and chemical exposure.
If you notice water pooling inside your jar, the seal may have failed. While some users drill small drainage holes to prevent electrical shorts in failing units, this voids the "vapor tight" rating. It is always better to replace the gasket or the entire fixture to maintain its IP65 or IP66 safety rating. VAPOR JAR LIGHTS - Baselite Corporation
Commonly called "Jelly Jars" due to their distinctive glass enclosure shape, Vapor Jar Lights are specialized fixtures designed to protect internal components from moisture, dust, and corrosive vapors. They are typically constructed with a heavy-duty metal housing (often cast aluminum) and a thick glass or polycarbonate "jar" that screws into a gasketed base, creating a hermetic seal. Vapor.jar
Coastal porches, humid bathrooms, and unfinished basements.
Food processing plants, walk-in coolers, and chemical storage. Manufacturers like Crouse Hinds and RAB Lighting offer
They are available in various configurations, including wall mounts , ceiling mounts , and pendant styles to fit any architectural need. Common Applications
While traditionally using incandescent bulbs, modern versions like the LED Vapor Tight Jelly Jar provide up to 2600 lumens at 5000K while consuming a fraction of the power. It is always better to replace the gasket
These lights are essential for environments that demand durability and protection against the elements.