By Carlton-Bates Marketing Carlton-Bates Company (CBC), part of the Fortune 500 WESCO International, Inc. family of companies, is a trusted provider of specialized services and a leading distributor of automation controls and electronic and electromechanical products.
Electrical equipment is only as effective as it is protected. Whether you’re indoors, outdoors, exposed to water, or facing harsh weather conditions, electrical equipment needs to be protected by an enclosure. Choosing the right electrical enclosure requires some knowledge of electrical standards. Ratings from the National Electrical Manufacturers Association (NEMA) provide guidance on what level of protection your enclosure needs depending on the environmental factors it is subjected to.
Use the information in this infographic to easily identify the type of enclosure you need for your specific application.
What is NEMA?
NEMA is an organization responsible for a rating system that ranks the ability of electrical components and electrical enclosures to resist environmental factors. NEMA standards are commonly recognized and used mainly in North America. These enclosure standards list out the enclosure’s ability to withstand certain elements like water, dust, chemicals, ice and oil.
Unlike UL and CSA standards, NEMA does not require independent lab testing for an enclosure to be considered up to code. Instead, NEMA puts compliance in the hands of the manufacturer. NEMA doesn’t manufacture any enclosures itself; the agency exclusively establishes industry standards.
What do the different NEMA ratings mean?
NEMA ratings use different numbers to represent protection levels for electrical enclosures. It’s important to note that a higher number doesn’t necessarily mean a higher level of protection. More often than not, the rating number is correlated with the enclosure’s ability to resist water.
Whether you’re an engineer, inspector or installer, choosing an electrical enclosure with the right levels of protection is paramount to worker safety. All enclosures prevent access to hazardous parts, but they provide varying levels of protection against other elements. Having a working knowledge of NEMA codes ensures that your enclosure will keep your equipment protected and running efficiently.
This infographic provides a visual representation of the different levels of protection each type of enclosure offers. Whether you need protection from dust, dirt, ice, water or corrosion, you can select the right enclosure for your application. Once your enclosure is properly installed, you’ll know exactly how protected your equipment will be. Use these codes to find an up-to-standard enclosure every time.
For a complete description of the NEMA ratings and test criteria, learn more from NEMA. If you have questions beyond the NEMA rating, check with the enclosure manufacturer for details on specific enclosures and their certifications.
For contractors and integrators, today’s marketplace is hypercompetitive. Every day brings a challenge to get more out of less. Increasing job profitability is the way to stay truly competitive in an increasingly competitive marketplace.
For every mining professional, the U.S. Department of Labor’s Mine Safety and Health Administration (MSHA) is a frequently discussed topic. This organization regulates the mining industry to create safer mines through safety and health rules. With expected regulation changes coming from MSHA, we wanted a professional’s opinion on the state of mining standards. We sat down with Adele L. Abrams, Esq., CMSP, on March 16, 2016, to discuss the latest in MSHA standards and how the new administration may impact mining standards.
By their very nature, mining operations are high-volume electricity users. Energy costs have a significant impact on the mining industry’s bottom line. The good news is that there is something you can do to improve your energy efficiency without sacrificing your operating efficiency. It’s all about power factor and power factor correction.
While working around live wires, keeping electricity grounded should be every miner’s number one priority. It stops electricity from seeking a worker’s body as the grounding path. Grounding electrical equipment is required by the Occupational Safety and Health Administration and ASTM International to promote safe work environments while electrical work is done.
Industrial controls systems are facing an enemy that’s only becoming more hazardous – cyberattacks. Last year, one report found that 34 percent of industrial control systems around the globe were breached more than twice in one year. To better protect and secure federal agencies’ networks, new federal guidelines were published that standardize government cybersecurity efforts. The Unified Facility Criteria UFC 4-010-06, released by the Department of Defense (DoD) in September 2016, lists requirements for incorporating cybersecurity into control system design. It is the first complete list of standards and processes for cybersecurity design guidance specifically written for all DoD control systems.