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61699-1 is a standard established by PacTec for molded plastic enclosures. It defines dimensions, materials, environmental ratings, manufacturing requirements, testing specifications and performance criteria for these enclosures. The standard covers different types of enclosures, including wall-mount, book-style, sheet-steel, and protective covers. It also covers requirements for labeling and identification of the enclosure, corrosion resistant materials and coatings, and fire flame resistance. The standards help ensure that manufacturers produce quality products that meet customer needs.