You can create a powerful story by following the eight steps of the story arc as outlined by nigel watts in his book writing a novel and getting published. Disclaimer although dennis is a member of the nfpa 70e technical committee, his views and opinions expressed in this presentation are purely his and must not be. Arc flash analysis arc flash analysis arc flash arc exposure energy basics exposure energy is expressed in calcm2 1 calcm2 equals the exposure on the tip of a finger by a cigarette lighter in one second an exposure energy of only one or two calcm2 will cause a 2nd degree burn on human skin industry standards and regulations osha 29 cfr 1910 subpart s osha enforces nec2002 110. Any time there are exposedenergized conductors or circuit parts there is an arc flash and shock hazard. Ppt smarcflash 2014 electrical arc flash phenomenon where a flashover of electric current leaves its intended path and travels through the air from one conductor to another. Electrical slide presentation occupational safety and. Arc flash safety murray state university arcing fault events an arc is produced by flow of electrical current through ionized air after an initial flashover or short circuit. Nov 16, 2004 flash protection or arc flash boundary. An arc flash risk assessment shall be performed and shall. Introduction to arc flash powerpoint ppt presentation.
General approximately 430 public inputs 170 first revisions. There are other shapes with which you can create an arc easily. Arc flash arc flash safety training by pennsylvania department of labor and industry date created. Keeping people safe from electrical hazards for over 50 years.
An arc flash hazard analysis shall determine the arc flash b d th i id t t th ki di t d th boundary, the incident energy at the working distance, and the personal protective equipment that people within the arc flash. Based on the results of 300 arc flash tests four calculation criteria. Previously, nfpa 70e just addressed the employer when it came to safety. This training presentation covers the basic on arc flash and other electrical hazards, including the effects of an arc flash incident and how to determine shoc slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Arc flash awareness presentation in this generic presentation you will hear about the topic and risks of arc flash. A facility associate was changing a breaker in a 480 volt mcc panel. A free powerpoint ppt presentation displayed as a flash slide show on id. View and download powerpoint presentations on arc flash ppt. Chart and diagram slides for powerpoint beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation effects. Flash hazard boundary aka arc flash boundary 85% rule slow burn vs. Training sessions must be documented and verified at least annually, and participants must be able to demonstrate knowledge.
An arc flash is the sudden release of electrical energy through the air when a highvoltage gap exists and there is a breakdown between. Temperatures have been recorded as high as 35,000f. In order to open the cover of an electrical panel, does the power need to be turned off and an arc flash suit worn. Arc flash training powerpoints atlantic training blog. Even using word art its not easy to get text to follow a circle or arc at a set font size and arranging shapes in a circle or arc is nor supported at all. The consequences of an arc flash can be devastating depending on the intensity of the arc flash, the proximity of the individual to the source of the arc and the ppe used if any. Attendees will learn the latest in electrical safety standards and regulations.
Best powerpoint templates download your favorites today. Pptsmarcflash 2014 approach boundaries flash protection boundary exposed to a curable 2 o burn ppe required to prevent incurable burns limited approach shock hazard exists closest an unqualified person can approach restricted approach increased risk of shock. Animation for presentation free download software powerpoint thank you animated flash 3d moving clipart pictures maker full version ppt slides with templates spectacular christian of template fx basically, ppt slides with animation for presentation application is. Arc flash ppt software free download arc flash ppt page 2. At other locations, the arc flash energy can be much greater than the approach boundary. Atlantic trainings arc flash training powerpoints are available for download. Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from.
Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that todays audiences expect. Ppt arc flash safety powerpoint presentation free to. Arc flash hazards arc flash hazards construction safety association of ontario pbrh march 3, 2009 arc flash hazards. Winner of the standing ovation award for best powerpoint templates from presentations magazine. Osha and nfpa 70e both define 50v as the threshold where a risk exists.
Arc flash powerpoint templates w arc flashthemed backgrounds. Nfpa 70e electrical safety presentation iec national. The adobe flash plugin is needed to view this content. Updates to the shock and arcflash hazard assessments. Ch 1 sec 5 arc flash hazard analysis flash hazard ch. This is where the character, the setting and the world are when the story starts. Free powerpoint templates themes backgrounds powerpoint. Animation for presentation free download software powerpoint thank you animated flash 3d moving clipart pictures maker full version ppt slides with templates spectacular christian of template fx basically, ppt slides with animation for presentation application is a specific program with chance to create slide show. An arc flash will contain the release of thermal energy, acoustical energy, pressure wave and debris. At some locations, the arc flash boundary is less than the limited approach shock boundary. Making or breaking a circuit bridging a insulating air gap with a more conductive object the heat generated can be devastating a fire usually burns. This training presentation covers the basic on arc flash and other electrical. Safety training for workers in chemical, refinery, and.
When connecting the wire to the lug, the energized line wire grounded causing an arc blast flash. Standard for electrical safety in the workplacechanges to the 2015 edition. Ppt nfpa 70e powerpoint presentation free to download. Selection of arcrated clothing using incident energy analysis method formerly part of the annex material, this table now table. Topics such as approach boundaries, the arc flash boundary, arcrated clothing and ppe, and energized work are covered. An arc flash gives off thermal radiation heat and bright, intense light that can cause burns. Aug, 2010 arc flash as much as 80% of all electrical injuries are burns resulting from an arc flash and ignition of flammable clothing arc temperature can reach 35,000f this is four times hotter than the surface of the sun fatal burns can occur at distances over 10 ft over 2000 people are admitted into burn centers each year with. Microsoft powerpoint arc flash presentation 041116. Maida, pe august 18, 2009 fort washington, pa p 215. You can also use the block arc shape within the shapes gallery that you can see in figure 8, below figure 8. Arc flash safety murray state university arcing fault events an arc is produced by flow of electrical current through ionized air after an initial flashover or short. Arc flash basics situations where an arc flash hazard exist an arc flash hazard may exist when energized electrical conductors or circuit parts are exposed or when they are within equipment in a guarded or enclosed condition, provided a person is interacting with the equipment in such a manner that could cause an electric arc. This is four times the surface temperature of the sun.
What are common arc flash hazards, and at what level of voltage should arc flash be a concern. Arc flash awareness presentation engineers australia. Arc flash presentation arc flash is a short circuit through air that flashes over from one exposed live conductor to another conductor or to ground. This arc flash training course is for anyone working on energized electrical equipment and includes nfpa 70e and osha requirements for shock and arc hazards. Ppt arc flash powerpoint presentation free to download id. An arc flash is the sudden release of electrical energy through presentation summary. This video educates employees how to reduce their risk of burns and other injury from electrical shock or an arc flash by using best practices to work with electricity. When controlling risk, the regulation now requires that a specific hierarchy of controls be followed. All electrical work may expose workers to risk of injury. Just to avoid any confusion, this template is not about flash in powerpoint, instead the slide design is named flash powerpoint template. The big list of free safety training powerpoint presentations. Our new crystalgraphics chart and diagram slides for powerpoint is a collection of over impressively designed datadriven chart and editable diagram s guaranteed to impress any audience.
An arc flash is the sudden release of electrical energy through the air when a highvoltage. Grantee materials by topic occupational safety and health. This course has been developed to provide you with information regarding arc flash, in accordance with nfpa 70e, and to inform you about the hazards associated with arc flash, increase your awareness of how to protect yourself, and provide information regarding the regulations that apply to this. If an arc flash hazard exists, the risk assessment shall determine. Rapid energy release 125kva transformer rule based on data, would not sustain an arc 2. Topics such as approach boundaries, the arc flash boundary, arc rated clothing and ppe, and energized work are covered. Ppt introduction to arc flash powerpoint presentation, free.
Updates to the shock and arc flash hazard assessments. An arc flash is the sudden release of electrical energy through the air when a highvoltage gap exists and there is a breakdown between conductors. Ppt arc flash powerpoint presentation free to download. Nfpa 70e 2018 changes arc flash requirements brady. Pennsylvania department of labor and indusry compliance. Electrical safety training arc flash 70e electrical.
Injury prevention arc flash arc blast pressure wave caused by the arc flash arc flash blast concentrated energy explodes outward high intensity flash temperatures can reach 35,000. Arc flash ppt, free arc flash ppt software downloads, page 2. Arc flash an arc flash occurs when electrical current passes through air this most often occurs in power systems when. Electrical safety training powerpoint presentations. An arc flash is the sudden release of electrical energy through. The most intense is arc flash, a violent release of electrical energy that causes severe injuries and fatalities. Annex q has been added to help explain how human performance can be applied.
Grantee materials by topic occupational safety and. To help keep your workplace safe and compliant, brady safety offers a custom approach to arc flash training. An arc flash is the sudden release of electrical energy. Ppt arc flash powerpoint presentation, free download id.
This add in can arrange any number of shapes around a circle or arc and arrange text around a. General industry electrical hazards including arc flash. Find powerpoint presentations and slides using the power of, find free presentations research about arc flash ppt. Arc flash protection as an experts in arc flash protection powerpoint engineering ltd offer the complete range of personal protection equipment and protective clothing designed, tested and certified to withstand and protect from the hazards of arc flash. These arc flash safety training powerpoints cover the definition of, and all the safety hazards associated with, arc flashes. This event will be a good awareness training for the engineering community and is suitable for administration staff, trades persons and engineering groups alike. Esuk are the uks foremost exponent of arc flash technology and carry out a wide range of power system studies across europe, including short circuit, protection coordination and complex arc. The block arc shape once drawn, you will see two handles on the block arc shape, as shown highlighted in red within figure 9, below. Flash powerpoint template is a free template with colors that you can use to create amazing powerpoint presentations. Voltage to the metal parts to be joined is applied before putting them together which gives rise to a small arc hence the name flash butt welding. Arc flash incidents are common and costly, and the frequency of reported accidents is increasing. The second is shock, which can cause burns, internal injuries, cardiac arrest and even be fatal. You can use the freeform drawing tool to create your own individual arc. Rubber insulating gloves with leather pr otectors for arc and shock protection arc rated long sleeve shirt and arc rated pants or arc rated coverall arc rated face shield and arc rated balaclava arc rated arc flash suit hood, jacket and pants undergarments shall be made of a nonmelting material in accordance with astm f 1506 hard hat.
Ppt arc flash safety powerpoint presentation free to download. Arc flash analysis arc flash analysis arcflash arc exposure energy basics exposure energy is expressed in calcm2 1 calcm2 equals the exposure on the tip of a finger by a cigarette lighter in one second an exposure energy of only one or two calcm2 will cause a 2nd degree burn on human skin industry standards and regulations osha 29 cfr 1910 subpart s osha enforces nec2002. Flash protection or arc flash boundary limited approach boundary. The intensity of the arc flash is influenced not only by the voltage.
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