This guide is an engineering and procurement aid. The final enclosure, junction-box, protection, and installation decisions must follow the equipment data, local requirements, approved drawings, and the supplier’s documented capability. A search result or competitor page is not evidence that ElectricalCabinet.net offers a particular rating or certification.
Describe the exposure instead of relying on a word
Weatherproof and waterproof are often used as marketing shorthand, but the project needs a specific exposure profile. Rain, wind-driven water, washdown, condensation, temporary immersion, and continuous submersion create different design questions. The enclosure body cannot be evaluated separately from its door, cable glands, plugs, vents, and mounting position.
Exposure checklist
| Exposure | Questions to answer |
|---|---|
| Rain and spray | Is water directed, wind-driven, or able to collect beneath the box? |
| Cleaning | What pressure, temperature, chemicals, and frequency are expected? |
| Immersion | What depth, duration, medium, and service state apply? |
| Condensation | Will temperature cycling require drainage, heating, or a controlled vent? |
| Cable entry | How will each used and unused opening be sealed and maintained? |
Specify what is evidenced
Ask for the applicable test or product evidence for the complete configuration. State the mounting orientation, accessories, cable types, inspection interval, and maintenance method. Avoid converting a competitor’s “waterproof” wording into an unsupported rating claim for your own product.
Use these inputs to prepare an evidence-based electrical enclosure enquiry and confirm the final configuration with the responsible engineer and supplier.
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