“How to choose the right electrical enclosure to your applications is to understanding their abilities to protect”
Understand All Degree of Protections
You have to under stand degree of protection of NEMA standard types. There are many types of NEMA enclosures from NEMA 1, 2, 3, 3(R,S,X,RX,SX), 4, 4X, 5, 6, 6P, 12, 12K and 13.
Understand type of materials
Need to understand the characteristics of materials, 304/316 stainless steel, aluminum, carbon steel, powder coated steel, plastic, and fiberglass. Which material will suitable with your applications.