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| | NEMA |
 | | NEMA TYPE 4x - Watertight and Dusttight, and Corrosion Resistant Indoor and Outdoor Type 4x Enclosures have the same protection and provisions as Type 4 enclosures and in addition, are corrosion resistant. |
 | | Type 12 Enclosures are intended for user INDOORS to protect the enclosed equipment against fibers, flyings, lint, dust and dirt, and light splashings, seepage, dripping and external condensation of non-corrosive liquids. |
 | | Type 13 Enclosures are intended for use INDOORS primarily to house pilot devices such as limit switches, pushbuttons, selector switches, pilot lights, etc., and to protect these devices against lint and dust seepage, external condensation, and spraying of water, oil, or coolant. |
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