If you work with electrical equipment outdoors, you’ve probably come across the term “NEMA 3” more than once. It’s one of the most popular enclosure ratings in the industry — but with subtypes like 3R, 3S, and 3X in the mix, it’s easy to feel lost. Here’s a straightforward guide to what NEMA 3 enclosures do, how they’re tested, and what sets each subtype apart. What Does NEMA 3 Mean? NEMA ratings are set by the National Electrical Manufacturers Association…

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…

We have often been asked to provide extra large plastic NEMA/IP rated enclosures and so we are delighted to introduce the NBG series.  While much is made of the ongoing reduction in component sizes, one concept that is overlooked is that now products that used to require a many bay cabinet can now be housed in a single large unit.  Moreover, when large enclosures are required, designers often think that metal is their only option.  Large plastic boxes require a…