The work area
A hazardous-location assessment starts with the area classification. Compare it with the documentation for the exact phone and enclosure, including any installation conditions.
The device
Dust, moisture, and impacts can affect a work phone during routine handling. Use published product specifications to determine which types of exposure a particular enclosure addresses.
The screen
Glare can make a checklist or drawing difficult to read outdoors. Evaluate the screen and any approved protective covering in representative lighting. Check that the proposed arrangement preserves the controls and visibility workers need.