Enclosure Type 1: General purpose enclosure. Protects against accidental contact with live parts.

Enclosure type 12: An enclosure for indoor use, constructed so as to provide a degree of protection against circulating dust, lint, fibres, and filings; dripping and light splashing of non-corrosive liquids; not provided with knockouts.

Enclosure Type 4: An enclosure for either indoor or outdoor use, constructed so as to provide a degree of protection against rain snow and windblown dust; splashing and hose directed water; undamaged by the external formation of ice on the enclosure.

Enclosure type 4X: An enclosure for either indoor or outdoor use, constructed so as to provide a degree of protection against rain, snow and windblown dust; splashing and hose-directed water; undamaged by the external formation of ice on the enclosure; resists corrosion.

Enclosure type 4X - Stainless Steel: An enclosure for either indoor or outdoor use, constructed so as to provide a degree of protection against rain, snow and windblown dust; splashing and hose-directed water; undamaged by the external formation of ice on the enclosure; resists corrosion. The stainless steel is more durable than a regular 4X painted box which relies on being unscratched in order to maintain corrosion resistance. Enclosure is constructed of 304 SS grade stainless steel.