NEMA 4X Rated Enclosures in the Central Carolina Scale Electronic Scale Catalog

NEMA TYPE 4.
Watertight and Dusttight-Indoor and Outdoor - Type 4 enclosures are intended for use indoors or outdoors to protect the enclosed equipment against splashing water, seepage of water, failing or hose directed water, and severe external condensation. They are sleet-resistant but not sleet- (ice-) proof. They shall have conduit hubs or equivalent provision for watertight connection at the conduit entrance and mounting means external to the equipment cavity.

NEMA TYPE 4X.
Watertight, Dusttight and Corrosion-Resistant - In door and Outdoor - Type 4X enclosures have the same provisions as Type 4 enclosures and, in addition, are corrosion-resistant.

NEMA TYPE 12.
Industrial Use-Dusffight and Driptight-Indoor - Type 12 enclosures are intended for use indoors to protect the enclosed equipment against fibers, flying, lint, dust and dirt, and light splashing, seepage, dripping and external condensation of noncorrosive liquids. There shall be no holes through the enclosure and no conduit knockouts or conduit openings, except that oil tight or dusttight mechanisms may be mounted through holes in the enclosure when provided with oil-resistant gaskets. Doors shall be provided with oil-resistant gaskets. In addition, enclosures for combination controllers shall have hinged doors, which swing horizontally and require a tool to open. When intended for wall mounting, Type 12 enclosures shall have mounting means external to the equipment cavity, captive closing hardware, and provision for locking.