08/25/2003

Lessening the Danger Zone

 

Related Companies

Square D/Schneider Electric

Between five and 10 times a day, an arc flash explosion occurs in electrical equipment somewhere in the United States that sends a burn victim to a special burn center, according to statistics compiled by CapSchell Inc., a Chicago-based research and consulting firm that specializes in preventing workplace injuries and deaths. Recently, Palatine, IL-based Square D/Schneider Electric (www.SquareD.com) presented a sobering demonstration to a gathering of media professionals about this very topic.

An arc flash occurs when insulation or isolation between electrified conductors is breached or can no longer withstand the applied voltage. As employees work on or near energized conductors or circuits, movement near or contact with the equipment (or a failure of the equipment) may cause a phase-to-ground and/or a phase-to-phase fault. Temperatures well over 5,000 degrees F. and a powerful explosion can be produced by this arc flash.

Of course, the best way to prevent arc flash incidents from occurring is to de-energize equipment before beginning work. Newer (2000) industry standards contained in the National Fire Protection Association’s (NFPA) 70E standard, which are being aggressively monitored for compliance by the Occupational Safety and Health Administration (OSHA), have been designed to protect workers and the workplace in the few instances where turning off all power could create a greater hazard to people or processes.

However, suppliers such as Square D/Schneider Electric, are also approaching the issue with specially designed components. Square D/Schneider Electric, for example, has just released a Masterpact Low Arc Flash circuit breaker that has been specially designed and tuned to provide balanced protection for both overcurrent and arc flash. Installing safety products like infrared windows and remote racking systems in electrical equipment may also help keep workers out of the arc flash danger zone around electrical equipment.

The process of complying with the new NFPA 70E standards for minimizing arc flash incidents presents you with an opportunity to re-examine your electrical system and procedures, gain a better understanding of potential weaknesses, instill new work practices to better protect employees, and minimize financial risks to your company.

 


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Wood construction is both cost and energy efficient. Check out Morton Buildings and our designBUILD team online today to discover all the benefits of post-frame construction.


When choosing a metal-clad building for your next construction project, consider Morton Buildings, Inc., and their designBUILD team, we’ll make your dream a reality.

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Visit our website today to learn about the design flexibility of a Morton building and the endless possibilities of partnering with our designBUILD team.


Wood construction is both cost and energy efficient. Check out Morton Buildings and our designBUILD team online today to discover all the benefits of post-frame construction.


When choosing a metal-clad building for your next construction project, consider Morton Buildings, Inc., and their designBUILD team, we’ll make your dream a reality.

We Can Help You Reduce Energy by 30%

Our mission is to help our customers manage their buildings' energy costs, improve reliability, and enhance performance while having a positive impact on the environment.
CLICK HERE to find out how.

Add highly responsive multi-zone comfort to any building project, in any climate. Our CITY MULTI H2i R2- and Y-Series VRF systems give you flexibility to fit the needs of any building. Enjoy 100% heating capacity at 0°F outdoor ambient, and 85% heating capacity at -13°F outdoor ambient.  For more information, log on to www.mitsubishipro.com

 
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