A vapor-proof hand lamp brings a close source of light to maintenance work where moisture and the working position make an ordinary inspection lamp unsuitable. The term must be supported by the actual product's markings and instructions.
Start with the exposure
Identify whether the lamp will encounter dampness, rain, splashing, washdown or another condition. These are not interchangeable ratings. Check the lens, cord entries, connections and permitted cleaning method; do not assume immersion or chemical resistance from a sealed appearance.
Use the lamp for the close view
A hand lamp can reach under machinery, behind connections and beside a service bench. A permitted hook or support leaves hands free. Route the cord away from hot surfaces, moving components and access paths.
Keep vapor protection separate from ignition protection
A damp area is not automatically a classified location, and vapor-proof is not approval around flammable vapor. Solvents, fuels, grain dust and other hazards require the site's classification assessment and exact hazardous-location approval where applicable.
Confirm the supply and servicing arrangement
Direct-powered and transformer-fed lamps have different electrical requirements. Check lamp voltage, transformer input/output, cord length and connectors. Follow the applicable wet/conductive-location rules and use approved replacement components.
Browse vapor-proof hand lamps by configuration, then verify the documented exposure and supply for the task.
References: IEC — IEC 60529 enclosure protection · OSHA 1910.307 — Hazardous (classified) locations · OSHA 1926.405 — Temporary wiring and portable lighting