Skidmore's 700 Series Type 1, 2, 3, 4X, and 12 enclosures feature one-piece molded construction with no gasket joints except for the covers.  Continuous memory-retaining silicone gaskets or closed-cell neoprene gaskets also keep the interior free from dust, oil and moisture.

GENERAL PURPOSE - INDOOR

Nonventilated Enclosures

Type 1 enclosures are intended for use indoors, primarily to prevent accidental contact of personnel with the enclosed equipment, in areas where unusual service conditions do not exist.  In addition, they provide protection against falling dirt.  Enclosures which are intended to be flush mounted in building walls shall have provision to align the device with the flush plate and to compensate for the thickness of the wall.

Type 2 enclosures are intended for use indoors to protect the enclosed equipment against falling non-corrosive liquids and falling dirt.  They shall have provision for drainage.  If provision is made for the entrance of conduit at the top, it shall consist of a conduit hub or the equivalent.  When completely and properly installed, these enclosures shall prevent entrance of dripping liquid at a higher level than the lowest live part whithin the enclosure.

Type 3 (CSA type 3) dust-tight, rain-tight enclosures are intended for outdoor use primarily to provide a degree of protetion against windblown dust, rain, sleet and external ice formation.

Type 4X (CSA type 4) watertight, corrosion resistant enclosures are intended for indoor or outdoor use primarily to protect against corrosion, windblown dust and rain, splashing water and hose-directed water.

Type 12 (CSA type 5) oil-tight, dust free enclosures are intended for indoor use to provide a degree of protection against dust, falling dirt and dripping liquids.