Insulators substances, such as dry wood, rubber, glass and bakelite, that have high. These procedures make sure that electrical equipment is deenergized before it is repaired and protect workers against electric shock. The highest flux density occurs when the conductor is formed into a coil having many turns. Maintain at least 30 inches of clearance in front of electrical panels to ensure a safe environment for facilities workers. The responsibility for this electrical safety program should be delegated to someone with a complete knowledge of electricity, electrical work practices, and the appropriate osha standards for installation and performance. What is a sample checklist for basic electrical safety.
Eliminate octopus connections do not plug several power cords into one outlet. Electrical safety at home checklist you already practice fire safety, but fire prevention is the best way to protect your family and that starts with ensuring that your electrical systems and appliances are functioning properly and safely. Osha office of training and education electrical elbasic1195 ohms law ohms law states the relationship that exists among the three basic quantities of electricity. In other words, it is a measurement of the work required to move a unit charge between two points. Georgia department of administrative services 3 current the movement of electrical charge. Give students handout c electrical safety scenario. In this case, a simple circuit tester may have saved the victims life. The lockouttagout loto program is one of the most important ways that companies can improve safety when working on electrical system. Electrical safety training powerpoint presentations. Ensure that cords are in proper working condition the outer insulation should not be.
Even household current 120 volts can stop your heart. C is the abbreviation of an alternating current which flows to and from in a circuit in alternate direction periodically with the variation of its magnitude in regular manner that after reaching a maximum in one direction decreases to zero, finally reversing and reaching a maximum in the opposite direction decreases to zero again the cycle of pulsation being. Inspect cords and plugs check power cords and plugs daily. Surge suppressor with overcurrent protection we rely on electricity, but sometimes underestimate its capability of causing injury. Other workers, such as office workers and salespeople, use it indirectly. Work area safety electrical ppe personal protective equipment. C is the abbreviation of an alternating current which flows to and from in a circuit in alternate direction periodically with the variation of its magnitude in regular manner that after reaching a maximum in one direction decreases to zero, finally reversing and reaching a maximum in the opposite direction decreases to zero again the cycle of pulsation being repeated continuously.
Use residual current devices rcds for extra safety an rcd can provide additional safety. If your vehicle comes into contact with a power line. Understanding electricity requires knowledge of these basic electrical terms. I agree to report all injuries to my foreman immediately, no matter how minor the.
Electrical hazards awareness page 32 of 49 efcog electrical safety improvement project clothing. Electrical burns most common shockrelated, nonfatal injury occurs when you touch electrical wiring or equipment that is improperly used or maintained. These presentations provide general safety and health information on electrical safety applications and should be modified to address sitespecific conditions and hazards. Uw personnel need to be aware of the hazards electricity poses, such as shock, fire and explosion. Basic electrical safety course not designed to teach you to work on electrical equipment. When an electric circuit flows through a conductor, a magnetic field or flux develops around the conductor.
Electricity is essential to modern life, both at home and on the job. Advice on safe work practices for energized circuits and parts, or high. Doc basic electrical safety 10 hour exercise answers to be divided into 3 groups note. Tufts university requires that all such devices be evaluated by qualified workers such as a licensed electrician before connecting such devices to an electrical power source e. Students will learn strong basics of electrical engineering and practical implementation of electrical fundamentals. Basic electrical safety new mexico military institute. Students will learn different applications of commonly used electrical machinery unit 1. As a prerequisite to understanding the concepts of electrical safety, students are first introduced to basic electrical principles. Basic electrical safety is a very important part of everyday life, but what has become an integral part of todays modern world can harm you or even kill you. Osha, electrical safety related work practices, 29 cfr part 1910 9.
When we see a value such as 10 volts, it is a measurement of the potential difference between two. The electrical science handbook consists of fifteen modules that are contained in four volumes. Electrical safety presentation for the construction industry. The most fundamental law in electricity is ohms law or vir. Electrical incidents cause an average of days away from work because of associated injuries and usually one fatality every day always use caution when working near electricity. Basic rules of electrical action electricity isnt live until current flows electrical current wont flow until there is a complete loop, out from and back to the power source. Basic electrical symbols represent earth electrode, cell, battery, source, ideal source, resistor, etc. The concept behind loto is that anyone who will be working on an electrical system has to physically remove the source of electricity, and place a lock on it so that it cant be read answer. Electrical safety special training is required for work on electrical equipment only authorized employees may conduct electrical work. Louis pasteur, boston, ma 02115 617 4321720 with this toolbox talk we will shed light upon basic electrical safety geared towards nonelectricians. These symbols help create accurate diagrams and documentation. Ammeters are always connected in series with the circuit to be tested.
A person approved or assigned by the employer to perform a. Electrical safety for the nonelectrical skilled worker powerpoint. Ammeter an instrument for measuring the flow of electrical current in amperes. Basic electrical safety avoid misuse of extension cords reference 1910 subpart s 1926 subpart k think of all the activities we perform at work that would be so much more difficult, if not impossible, to do without electricity. Residential wiring should satisfy the national electrical code nec. I agree to read and follow all safety rules outlined in this booklet. Or perhaps its a missing knockout plug on the side of an electrical box. Find out, all you need to know about workplace hazards and basic electrical safety practices. Electrical safety michigan water environment association. Ask each group to identify at least three things that could have been done to prevent this death. A presentation on the basics of electrical safety, including terminology, an introduction to fundamentals of electricity, and ways to prevent electrocution. The best place for an rcd is built into the main supply or the socketoutlet, as this means that the supply cables are permanently protected.
Two of the most common causes of todays electrical accidents, such as electrical shock, is 1 lack of education, andor 2 lack of. An understanding of these principles is essential for comprehension of oshas electrical safety standards. Volume 1 of 4 module 1 basic electrical theory this module describes basic electrical concepts and introduces electrical terminology. Introduction to electrical safety practices and will introduce you to the electrical safety program. Electrical workers safety handbook 1 a c k n o w l e d g m e n t handbook acknowledgment this is to acknowledge that i have received my copy of the electrical workers safety handbook.
Conductors substances, such as metals, that have little resistance to electricity. Extension cords should not be used in place of permanent wiring. Give awareness not only to electrical workers but as well as awareness at home. Course not designed to teach you to work on electrical equipment. Unfortunately there is not always an electrical receptacle located nearby to.
In electronics and electrical technology, a coil is usually known as an inductor. Basic electrical safety 10 hour exercise answers to be divided into 3 groups note. Basic electrical safety this twoday introductory electrical safety course is primarily designed for those who do not have a background in electricity but are required to have safety training. An electrical safety checklist is often accompanied by a sitewalkthrough to identify and report on common electrical hazards. Course goal the aim of this program is to provide comprehensive on site training to high risk workers i. In an effort to limit electrical injuries in the workplace, the occupational safety. The document focuses on some of the fundamentals of electricity, electrical wiring, electric tools. Insulators substances, such as dry wood, rubber, glass and bakelite, that have high resistance to electricity. With this toolbox talk, we will shed light upon basic electrical safety geared towards nonelectricians. Electrical safety qualified person the role of the qualified person is examined in this presentation covering electrical safety. Electricity can be defined as the flow of electrons through a conductor.
Have any cord that feels more than comfortably warm checked by an electrician. List the basic types of personal protective equipment ppe for tasks involving electrical hazards. Electric circuits, whether simple or complex, can be described in a variety of ways. Ppt basic electrical safety powerpoint presentation free. Ohms law, kirchhoffs voltage and current laws, nodesbranches. Nfpa 70e, electrical safety requirements for employee workplaces 2000 edition 6. All about workplace electrical safety every year, more than 300 deaths and 4000 injuries are recorded as a result of workplace electrical hazard. Although injuries from electrical hazards represent a fraction of total onthejob injuries, they are more likely to result in death than injuries from other causes, according to the arlington, vabased electrical safety foundation international. Some workers, such as engineers, electricians, and people who do wiring, work with electricity directly. Electrical safety presentation for the general industry. Basic electrical safety international association of.
State the basic rules for all electrical work performed. Electrical safety for the non electrical skilled worker powerpoint. Electrical protection handbook 1990 bussman, cooper industries, inc. Ppt basic electrical safety powerpoint presentation. Electrical safety in the workplace 2 course goal the aim of this program is to provide comprehensive onsite training to high risk workers i. Insulators substances, such as dry wood, rubber, glass and bakelite, that have high resistance to. Describe how each type protects against hazards and identify. An electric circuit can be described with mere words, however, a simple and visual way to. Responsibilities company name management is responsible for providing employee safety training, conducting electrical safety inspections, correcting all electrical safety hazards, and ensuring that all new electrical equipment. Basic electrical safety basic electrical safety information. Electrical safety construction covers electrical safety for the construction industry. Cambridge ma, 029 617 4952060 longwood campus 107 ave. It is a little heavy on text, but it has some good. Alternating current ac an electric current that reverses its direction many times a second at regular intervals.
An rcd detects some but not all faults in the electrical system and rapidly switches off the supply. The v is for voltage, which means the potential difference between two charges. Electrical safety to increase employee awareness of electrical hazards on the jobsite. Electrical safety basic awareness provides basic electrical hazard awareness information in accordance with osha 29 cfr 1910 subpart s. Electrical safety summary 53 annex a 54 electrical safety terms and definitions 54 annex b 61 electrical safety codes and standards 61 annex c 63 energized electrical work permit 63 annex d 65 arcflash calculation steps 65 annex e 67 arc flash calculator tables 67 annex f 71 resources for electrical safety 71 annex g 73 references 73 annex h 74. With this law you can calculate any one of the three quantities if you know the other. Wherever page numbers are given in this exercise, it is referring to those pages in your resource manual. It is hard to think of any job today that does not involve the use of electricity. The intent of this program is to familiarize people with potential electrical hazards at the.
The pages that are preceded by the words subpart s are referring to the subpart s pages in your. The report then provides an overall electrical safety inspection assessment of the worksite, training, and equipment being used and general recommendations on what to improve. The following is a brief description of the information presented in each module of the handbook. Our online electrical safety trivia quizzes can be adapted to suit your requirements for taking some of the top electrical safety quizzes. Canadian safety association codes to protect the operator of the device from contact with energized electrical conductors. Check with both your jurisdiction and electrical utility company when working, driving, parking, or storing materials closer than 15 m 49 feet to overhead power lines. This is an awareness level course for unqualified persons as defined by osha. A comprehensive database of more than 21 electrical safety quizzes online, test your knowledge with electrical safety quiz questions. Industrial electrical safety, 1991 avo multiamp corporation. If you must be close to power lines, you must first call your electrical utility company and they will assist you. This program is intended as an overview of basic electrical safety for individuals with limited electrical training who as a part of their work, may be potentially exposed to electrical hazards. Uw personnel need to be aware of the hazards electricity poses, such as shock, fire and explosion, and either eliminate or control those hazards.
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