Students will learn different applications of commonly used electrical machinery unit 1. Alternating current ac an electric current that reverses its direction many times a second at regular intervals. Insulators substances, such as dry wood, rubber, glass and bakelite, that have high resistance to electricity. 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. The v is for voltage, which means the potential difference between two charges. Basic electrical safety course not designed to teach you to work on electrical equipment. Or perhaps its a missing knockout plug on the side of an electrical box. 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.
Some workers, such as engineers, electricians, and people who do wiring, work with electricity directly. Introduction to electrical safety practices and will introduce you to the electrical safety program. Electricity can be defined as the flow of electrons through a conductor. 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. Nfpa 70e, electrical safety requirements for employee workplaces 2000 edition 6. Maintain at least 30 inches of clearance in front of electrical panels to ensure a safe environment for facilities workers.
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. Course not designed to teach you to work on electrical equipment. An rcd detects some but not all faults in the electrical system and rapidly switches off the supply. The pages that are preceded by the words subpart s are referring to the subpart s pages in your.
Basic electrical symbols represent earth electrode, cell, battery, source, ideal source, resistor, etc. Course goal the aim of this program is to provide comprehensive on site training to high risk workers i. 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. Insulators substances, such as dry wood, rubber, glass and bakelite, that have high resistance to. Electrical safety presentation for the general industry. An electric circuit can be described with mere words, however, a simple and visual way to. The document focuses on some of the fundamentals of electricity, electrical wiring, electric tools. Eliminate octopus connections do not plug several power cords into one outlet. Uw personnel need to be aware of the hazards electricity poses, such as shock, fire and explosion. 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. Electrical safety in the workplace 2 course goal the aim of this program is to provide comprehensive onsite training to high risk workers i.
In this case, a simple circuit tester may have saved the victims life. Unfortunately there is not always an electrical receptacle located nearby to. A presentation on the basics of electrical safety, including terminology, an introduction to fundamentals of electricity, and ways to prevent electrocution. Find out, all you need to know about workplace hazards and basic electrical safety practices. Electrical safety for the non electrical skilled worker powerpoint. Other workers, such as office workers and salespeople, use it indirectly.
The intent of this program is to familiarize people with potential electrical hazards at the. It is hard to think of any job today that does not involve the use of electricity. These symbols help create accurate diagrams and documentation. Electrical protection handbook 1990 bussman, cooper industries, inc. I agree to read and follow all safety rules outlined in this booklet. Georgia department of administrative services 3 current the movement of electrical charge.
With this toolbox talk, we will shed light upon basic electrical safety geared towards nonelectricians. 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. Electric circuits, whether simple or complex, can be described in a variety of ways. As a prerequisite to understanding the concepts of electrical safety, students are first introduced to basic electrical principles. Basic electrical safety 10 hour exercise answers to be divided into 3 groups note. 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. Wherever page numbers are given in this exercise, it is referring to those pages in your resource manual. The highest flux density occurs when the conductor is formed into a coil having many turns. I agree to report all injuries to my foreman immediately, no matter how minor the. All about workplace electrical safety every year, more than 300 deaths and 4000 injuries are recorded as a result of workplace electrical hazard. 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. Electrical safety training powerpoint presentations. Ppt basic electrical safety powerpoint presentation.
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. 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. Basic electrical safety new mexico military institute. 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. When an electric circuit flows through a conductor, a magnetic field or flux develops around the conductor. In an effort to limit electrical injuries in the workplace, the occupational safety. Describe how each type protects against hazards and identify.
Electrical safety michigan water environment association. The following is a brief description of the information presented in each module of the handbook. In electronics and electrical technology, a coil is usually known as an inductor. Ask each group to identify at least three things that could have been done to prevent this death. Conductors substances, such as metals, that have little resistance to electricity. Electrical safety qualified person the role of the qualified person is examined in this presentation covering electrical safety. Electrical safety special training is required for work on electrical equipment only authorized employees may conduct electrical work. These presentations provide general safety and health information on electrical safety applications and should be modified to address sitespecific conditions and hazards.
Have any cord that feels more than comfortably warm checked by an electrician. Ensure that cords are in proper working condition the outer insulation should not be. Electrical safety to increase employee awareness of electrical hazards on the jobsite. Advice on safe work practices for energized circuits and parts, or high. The most fundamental law in electricity is ohms law or vir. Osha, electrical safety related work practices, 29 cfr part 1910 9.
Two of the most common causes of todays electrical accidents, such as electrical shock, is 1 lack of education, andor 2 lack of. When we see a value such as 10 volts, it is a measurement of the potential difference between two. It is a little heavy on text, but it has some good. What is a sample checklist for basic electrical safety. An electrical safety checklist is often accompanied by a sitewalkthrough to identify and report on common electrical hazards. Extension cords should not be used in place of permanent wiring. Even household current 120 volts can stop your heart.
Ammeter an instrument for measuring the flow of electrical current in amperes. A person approved or assigned by the employer to perform a. State the basic rules for all electrical work performed. Give students handout c electrical safety scenario. Ppt basic electrical safety powerpoint presentation free.
Inspect cords and plugs check power cords and plugs daily. Volume 1 of 4 module 1 basic electrical theory this module describes basic electrical concepts and introduces electrical terminology. Give awareness not only to electrical workers but as well as awareness at home. An understanding of these principles is essential for comprehension of oshas electrical safety standards. 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.
Insulators substances, such as dry wood, rubber, glass and bakelite, that have high. Electrical safety for the nonelectrical skilled worker powerpoint. Electrical safety presentation for the construction industry. Louis pasteur, boston, ma 02115 617 4321720 with this toolbox talk we will shed light upon basic electrical safety geared towards nonelectricians. 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. Electrical safety construction covers electrical safety for the construction industry. If your vehicle comes into contact with a power line. Residential wiring should satisfy the national electrical code nec. Our online electrical safety trivia quizzes can be adapted to suit your requirements for taking some of the top electrical safety quizzes. The lockouttagout loto program is one of the most important ways that companies can improve safety when working on electrical system. A comprehensive database of more than 21 electrical safety quizzes online, test your knowledge with electrical safety quiz questions. 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.
Understanding electricity requires knowledge of these basic electrical terms. Work area safety electrical ppe personal protective equipment. If you must be close to power lines, you must first call your electrical utility company and they will assist you. List the basic types of personal protective equipment ppe for tasks involving electrical hazards. Canadian safety association codes to protect the operator of the device from contact with energized electrical conductors.
These procedures make sure that electrical equipment is deenergized before it is repaired and protect workers against electric shock. Basic electrical safety basic electrical safety information. Osha office of training and education electrical elbasic1195 ohms law ohms law states the relationship that exists among the three basic quantities of electricity. Basic electrical safety international association of. Uw personnel need to be aware of the hazards electricity poses, such as shock, fire and explosion, and either eliminate or control those hazards. Surge suppressor with overcurrent protection we rely on electricity, but sometimes underestimate its capability of causing injury. Electricity is essential to modern life, both at home and on the job. Ohms law, kirchhoffs voltage and current laws, nodesbranches. 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. Students will learn strong basics of electrical engineering and practical implementation of electrical fundamentals.
Doc 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. Use residual current devices rcds for extra safety an rcd can provide additional safety. With this law you can calculate any one of the three quantities if you know the other. Industrial electrical safety, 1991 avo multiamp corporation. 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.
Electrical hazards awareness page 32 of 49 efcog electrical safety improvement project clothing. In other words, it is a measurement of the work required to move a unit charge between two points. Electrical burns most common shockrelated, nonfatal injury occurs when you touch electrical wiring or equipment that is improperly used or maintained. Electrical safety basic awareness provides basic electrical hazard awareness information in accordance with osha 29 cfr 1910 subpart s. This is an awareness level course for unqualified persons as defined by osha. Advice on safe work practices for energized circuits. The electrical science handbook consists of fifteen modules that are contained in four volumes. Ammeters are always connected in series with the circuit to be tested. Cambridge ma, 029 617 4952060 longwood campus 107 ave. 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.