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Arc Flash Hazards
By Admin Photography | Portrait With 12 Comments
What are the results of arc flash? A. Arc flash can damage infrastructure, electrical equipment , and even may injure people severely . Arc flash is very dangerous which has to be prevented as early as possible. The longer the arc the severe the damage.
What are the general requirements as per OSHA standards? A. All places of employment, passageways, storerooms, service centers are to be kept clean and orderly in sanitary condition. The floor of every room shall be kept clean and if possible in dry condition. To facilitate cleaning every room shall be kept clean from protruding nails, holes , splitters. Permanent aisles and passageways shall be marked properly. Floor loading protection to be implemented.
What is the purpose of IEEE1584? A. IEEE 1584-2002 was developed to help protect people from arc-flash hazard dangers. The predicted arc current and incident energy are used in selecting appropriate overcurrent protective devices and personal protective equipment(generally abbreviated as PPE), as well as defining safe working distance. Since the magnitude of the arc current is inherently linked with the degree of arc hazard, the arc is examined as a circuit parameter.
How to protect from shock and arc flash? A. We can protect from arc flash and shock by doing justification for live work. Work permits are to be implemented in order to do effective maintenance and also protection from shock and arc flash. Approach boundaries like limited boundary, restricted boundary are a better way to protect from shock and arc flash.
Electric Arc Flash Mitigation
Why electrical safety practices and procedures? A. On an average every year 30000 non- fatal electrical accidents occur. So many people injured and even died every year due to electrocution. Electrocution retains 4th highest cause of industrial fatality. Because of all these reasons electrical safety procedures and practices are necessary and must.4 Comments
18 Jun, 2012 at 8:24 pm | Reply
What are the approach boundaries specified by NFPA70E? A. The following are the boundaries specified by nfpa 70e: Category-0 Category-1 Category-2 Category-3 Category-4
18 Jun, 2012 at 8:24 pm | Reply
How to obtain arc rated PPE? A. Protective clothing is provided to people by various means. One method is to use a uniform/clothing service. Others may provide an allowance for employees to purchase their own while others provide the PPE directly
18 Jun, 2012 at 8:24 pm | Reply
What are electrical hazards? A. An electrical hazard means electrical fault which is very dangerous and can cause severe damage to people and also to companies. These are majorly 3 types. They are: Shock, Arc Flash & Arc Blast, Fire Ignition
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18 Jun, 2012 at 8:24 pm | Reply
What nfpa 70e covers under ‘exposure to danger’? A. The National Electric Code protects individuals from shock hazards under normal conditions. It is not designed to protect us from abnormal conditions. We need additional policies to protect from abnormal conditions.