NEMA 4 and NEMA 4X are two of the most commonly specified enclosure ratings, and on the surface, they look nearly identical. They share a lot of common ground, but there’s one critical distinction that can make or break a design in the wrong environment. Let’s break it down. What Does NEMA 4 Mean? NEMA 4 is a protection rating established by the National Electrical Manufacturers Association that defines how well an enclosure guards its contents against specific environmental threats.…

One of the most frequent questions we are asked is to clarify the NEMA rating system for enclosures.  There are many misconceptions about the ratings including that a higher number rating means a greater  level of protection or that all ratings suggest that the products are waterproof or dustproof.  For today’s blog, I am going to focus on two of the outdoor ratings and describe what they mean, how they are tested and what the difference are.  These are the…

Continuing our review of our best-selling plastic enclosures, the Plastic Rack Mount Chassis is a definite winner.  Customers have been mounting equipment into 19” panel width cabinets and racks for nearly 100 years.  Often, rather than mounting equipment itself into the rack, such as power supplies, they are looking for an enclosure to mount their boards and other components in so that they can be easily used in the racks, such as server racks.  Most of these rack mount chassis…