Ensuring high standards in electrical safety and hazard management
An arc flash occurs either when an electric current passes through air between conductors or from a conductor to ground instead of its intended path. During an arc flash, temperatures can reach as high as 35,000° Fahrenheit, four times higher than the surface of the sun. Arc flash conditions can occur when work is being conducted on energized equipment, or during an electrical equipment failure.
Despite awareness to this hazard, approximately 30,000 arc flash incidents occur every year and any individual that is within the arc flash boundary and is not wearing the proper PPE is at risk.
The recent 2017 National Electric Code (NEC) update specifies that service equipment above 1200A need an arc flash assessment. Almost half of all states have already adopted the 2017 NEC and this code can be expected to become implemented nationwide. As this code becomes the standard, arc flash assessments and other electrical safety measures will become mandatory.
Two of the main components that go into completing the arc flash risk assessments that TÜV SÜD GRC conducts are a short-circuit study and a protective device coordination study. The short-circuit study identifies equipment in the electrical distribution that is not properly rated to withstand a fault, therefore resulting in equipment failure or fires, which cause downtime, injuries, and losses. The protective device coordination study ensures that the breakers and fuses in the electrical distribution closest to the fault will operate; this will reduce downtime and losses. The end result of an arc flash analysis is a label, that serves the important purpose of indicating the proper level of PPE that is required when working on a live electrical device. These labels save lives.
The TÜV SÜD GRC arc flash service team is led by our electrical P.E. and is licensed throughout the United States to deliver a consistent, high quality service regardless of geographic location.
In addition to providing short circuit analysis, protective device coordination study and one-line electrical diagram we will also work with your team to develop a training program to prepare your employees to operate safely in this environment.
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