There are standards used to categorize electrical enclosures. In the USA, the two bodies that publishes these classes of enclosures are NEMA and UL.
Type 3 Electrical Cabinet NEMA vs UL
The Type 3 Electrical Cabinet is a step up from the Type 1 or Type 2. Although the Type 2 allows some protection from water, it does not provide enough for it to be classed as an outdoor electrical cabinet. The Type 3 electrical cabinet is an indoor/outdoor electrical cabinet that offers the same basic […]