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Create a Safe Working Environment with NFPA 70e Arc Flash Training


There are number of things that you should carry out in order to meet the terms and conditions, along with making appropriate use of tools, providing the proper personal protective equipment (PPE), carrying out calculations in order to analyze the degree of arc Flash hazards, as well as providing marking the arc flash hazards place with warning labels.

Before you conduct Arc Flash Training you should know and understand what exactly arc flash is and what are the types of arc flash and how does it takes place.

What is Arc Flash

An arc flash (or arc blast) is a type of electrical explosion that results from a low impedance connection to ground or another voltage phase in an electrical system. (Source Wikipedia).

What are the Types of Arc Flash

  • Open air arc (this is the primary arc used in arc testing)
  • Arc-in-a-box (this is used in one form for arc testing in the EU)
  • Ejected Arc (when arc plasma hits the worker)
  • A tracking arc (most common at higher voltages, arc plasma conducts on skin or through clothing) (source ohsonline)


How does arc flash takes place

An arc blast takes place when there is a low resistance connection, or at the time when the ratio from the voltage phase to the electrical current phase is low, to the ground or other voltage phase of an electrical system. An arc blast is most likely to occur when the insulations attributes of the air grown to be too dry and moreover filled with particles that can bear electrical energy. If the air resistance is very low it will not be able to resist the flow of current from any electrical system which runs from a high voltage conductor to a low voltage conductor, or even ground. This leads to an electrical breakdown that in return leads to an arc flash.

Moreover you should also conduct arc flash training for workers in order to make them aware regarding the hazards of the arc flash. This training can be proved to be a helpful to the workers working in the area that are full of arc flash hazards dangers.



This post first appeared on Enhance Workplace Safety & Performance | Arc Flash, please read the originial post: here

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Create a Safe Working Environment with NFPA 70e Arc Flash Training

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