Enclosure Construction Campbell Scientific enclosures are manufactured with non-corrosive polyester and reinforced with fiberglass. These white UVstabilized enclosures reflect solar radiation reducing temperature gradients inside the enclosure without requiring a separate radiation shield. A door gasket, external grounding lug, stainless steel hinge, and lockable hasp are included. Our enclosures were rated NEMA 6P before being modified to include a conduit or compression fittings. An internal backplate is punched with a grid of one-inch-on-center holes for mounting dataloggers, peripherals, and brackets.