EEMAC enclosure types are the Canadian equivalent of the American NEMA enclosure types. There are essentially identical with small differences in their descriptions of the enclosures. Below is the Canadian Electrical Code’s enclosure selection table.

NEMA/EEMAC Enclosure Selection Chart
Provides a degree of protection against the following environmental conditions Enclosure type
Indoor use Indoor/outdoor use Submersible
1 2 5 12* 12K† 13 3 3R 3S 4 4X 6 6P
Accidental contact with live parts X X X X X X X X X X X X X
Falling dirt X X X X X X X X X X X X X
Dripping and light splashing of
non-corrosive liquids
X X X X X X X X X X X X
Circulating dust, lint, fibres, and flyings X X X X X X X X X
Settling dust, lint, fibres, and flyings X X X X X X X X X X
Hosedown and splashing water X X X X
Corrosion X X
Occasional temporary submersion X X
Occasional prolonged submersion X
Oil and coolant seepage, spraying and splashing X
Rain, snow, and external formation of ice‡ X X X X X X X
External formation of ice§ X
Wind-blown dust X X X X X X
*Without knockouts.
With knockouts.
External operating mechanism(s) is not required to operate when the enclosure is ice covered.
§External operating mechanism(s) shall be operable when the enclosure is ice covered.

 

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