The purpose of this section is to advise laboratory occupants to develop and utilize appropriate work procedures for electrical safety and to remediate electrical hazards when possible. A guide to united states electrical and electronic. No matter how much training one has received or how much employers try to safeguard their workers, electrical safety is ultimately the responsibil ity of the electrical worker. 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 fires should only be fought if the situation is well in hand.
Download the policy electrical safety research labs and support shops. The following key shows the answers for the electrical safety safety meeting quiz. The label indicates the type of extinguisher that is present. Green berets ultralight bug out bag with gear recommendations duration. Among the many hazards present in the laboratory, electrical hazards are one of the most common. Electrical shock occurs when the body becomes part of the electric. Laboratory electrical safety every laboratory on uncs campus has electrically powered equipment that is used routinely in daytoday operations. Electrical injuries an arc flash is a release of energy caused by an electric arc figure 262. This laboratory safety guidance booklet deals specifically with laboratories within the jurisdiction of federal osha. Following the guidance is not compulsory, and you are free to take other action. During an evacuation emergency, exit the room as directed. Run through this checklist regularly, since electrical malfunction can happen at any time and for many reasons. Electrical safety in the laboratory part of the laboratory safety series quality safety and health products, for today. A guide to united states electrical and electronic equipment compliance requirements scope this guide addresses electrical and electronic consumer products including those that will come into contact with food.
However, we need to be cautious and keep safety in mind. Electrical equipment modified by or built by lab workers. The primary objective of the electrical safety program is to prevent electrical related injuries. The greek letter omega s is used as the symbol for electrical resistance. It focuses only on the tests and equipment needed to minimize electrical shock and does. I agree to report all injuries to my foreman immediately, no matter how minor the. Do not handle electrical equipment when hands, feet or body are wet or perspiring, or when standing on a wet floor. This student manual is part of a safety and health curriculum for secondary and postsecondary electrical trades courses. In addition, an electrical hazard could damage expensive equipment or wipe out years of research. In the laboratory, workers may be exposed to electrical hazards including electric shock, arc blasts, electro cutions, fires and explosions. In the laboratory, workers may be exposed to electrical hazards including electric shock, arc blasts, electrocutions, fires and explosions. Detects a difference in current between the black and white circuit wires could happen when electrical equipment is not working properly causing a current leakage known as ground fault.
The figure below summarizes the factors that affect resistance. If not, have a qualified electrician install them for you. In addition to information on osha standards and guidance that deal with laboratory hazards, appendices are provided with information on other governmental and nongovernmental agencies that deal with various aspects of laboratory safety. Electrical safety electrical work can be deadly if not done safely. The online course, rms electrical safety training is available in complynd. Laboratory experiments typically use equipment that complies with international safety standards. The dangers of electricity, electrical shock, and the resulting injuries will be discussed. Lab safety standards pertain to protective clothing and equipment such as lasers, as well as procedures and lab designs that promote safety. Electrical safety risk management and safety university. Recently, a laboratory employee sustained an electrical shock injury from a handheld uv lamp whose wire had frayed. You will learn about the safety model, an important tool for recognizing, evaluating, and controlling hazards. Even household current 120 volts can stop your heart.
Electrical safety in the laboratory environmental health and safety. The following safe work practices can prevent electrical shock. However, electrical inputs and outputs, or customized equipment still pose a hazard. Safety instructions electronics lab advanced electrical. Laboratory safety guidance occupational safety and. Therefore, knowledge regarding electrical safety and what to do in case of emergency is.
The objectives of this handbook are to enhance electrical safety awareness and mitigate electrical hazards to employees, the public, and the environment. The second type of hazard is electrical burns and the third is the effects of blasts which include pressure. Laboratory electrical safety environment, health and safety. Field and program guides the following field guides are provided to assist lbnl personnel in the application of pub3000, chapter 8 and the electrical safety manual while performing their duties. Included here are electrical safety hazards, ergonomic hazards associated with manual material handling and equipment use, handling sharps, and basic housekeeping issues. Laboratory safety standards are in use in clinical and chemical labs, testing labs, and research and development labs in both industrial and educational facilities. Lab health and safety electrical safety in the lab. Uw personnel need to be aware of the hazards electricity poses, such as shock, fire and explosion, and either eliminate or control those hazards. Electrical safety in the laboratory environmental health. But if you do follow the guidance you will normally be doing enough to comply with the law.
Potential exposures to electrical hazards can result from faulty electrical equipmentinstrumentation or wiring, damaged receptacles and connectors, or unsafe work practices. The typical laboratory contains a wide variety of electricallypowered equipment including stirrers, shakers, pumps, hot plates, heaters, power supplies, ovens. Electrical safety precautions and basic equipment protocol jove. Over the last 20 years or so there has been a dramatic increase in the use of electronic equipment in all walks of life, and medical electronics in particular has. Electrical hazards for laboratory employees and students usually include shock, burn, or fire hazards. These and all electrical devices used in the lab setting present a potential danger of injury due to electric shock, fires due to poorly installed or maintained systems and fires due to sparks serving as. The typical laboratory contains a wide variety of electricallypowered equipment including stirrers, shakers, pumps, hot plates, heaters, power supplies, ovens, and electrophoresis equipment. The first and most commonly recognized hazard is electrical shock. We also would like to thank jonathan smith for his corrections and suggestions for improving the text. Electronics lab, advanced electrical engineering lab course ii.
We rely on electricity, but sometimes underestimate its capability of causing injury. Lab safety msu college of engineering michigan state university. Arcflash and other electrical safety hazards 27 electrical safety hazards 27 electric shock 27 arcflash and arc blasts 28 arcflash metrics 29 arcblast effect 31 light and sound effects 31 electrical hazard analysis 32 shock hazard analysis 32 approach boundaries 32 flash hazard analysis 34 arcflash calculations 35. I agree to read and follow all safety rules outlined in this booklet. Training is required for all personnel that may be exposed to electric current, arcing, grounding, and lack of guarding in equipment andor systems exceeding 50 volts. Safety is the most important practice in an electrical engineering laboratory. Electrical hazards awareness page 30 of 49 efcog electrical safety improvement project the power source to the workpiece. They are provided in both pdf handout format, as well as powerpoint format.
Esfi workplace safety electrical safety foundation. The electrical safety program esp was created to comply with electrical systems regulatory requirements to ensure that energized electrical work at purdue university facilities is performed safely by qualified electrical workers who are provided with appropriate safe work procedures, protective equipment, and other controls. In addition, it includes electrical and electronic products used in the workplace as well as electrical and electronic medical devices. If you feel uncomfortable fighting a fire, pull the alarm and exit the building. Many operations in the lab can result in lab workers assuming sustained or repetitive awkward postures. Oct 03, 2019 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. The safety rules have to be followed at all times when you are present in the teaching laboratories. With a portfolio of over 65,000 products from suppliers, fisher safety has access to the most respected brands of safety and ppe products, allowing us to serve as your single source for thousands of safety products. All electrical equipment and services must be grounded.
Faculty, staff and students generally use equipment and devices designed by qualified electrical engineers and electricians and constructed in accordance with underwriters laboratory and canadian safety association codes to protect the operator of the device from contact with energized electrical conductors. 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. That said, national regulations and consensus standards have distilled a significant body of knowledge into minimum safety requirements that the lab is contractually obligated to implement. Ground fault detected gfci can shut off electricity flow in as little as 140 of a. Safety acknowledgment form for working with microorganisms. Histology laboratory electrical safety training record i have recieved electrical safety training as described in the histology safety manual. Contact your supervisor for additional safety training if your job involves repairing, installing or working on energized parts. Do all lab staff know how and when to report accidents, incidents, or nearmisses in oars. Controlling electrical hazards osha laboratory safety. The hazards associated with the use of electricity include electrical shock and electrical fires caused by shorts and overloaded circuits or wiring.
Caltech posts prop 65 warning signs throughout the workplace. Study the safety procedures of the electrical lab 2. The electrical test lab evaluates electrical equipment for safety, fire and shock hazards and personnel injuries in accordance with the current applicable codes and standards. Potential exposures to electrical hazards can result from faulty electrical equipmentinstrumentation or wiring, damaged. Chapter 15, to license people doing electrical work and to adopt and enforce nationally recognized safety codes. In addition, sparks from electrical equipment can serve as an ignition source for flammable or explosive vapors or combustible materials. All laboratory operations contain some elements of. Every student who participates in the lab course has to sign the safety agreement at the end of this document. This guide is not meant to be either a substitute for or a legal interpretation of the occupational safety and health regulations. Although additional safety requirements are also included in most safety standards, these four hazards are the foundation upon which all safety standards are based. The major hazards associated with electricity in the laboratory environment are electrical shock or electrical fire. Research facilities inherently have significant physical hazards present.
The underwriters laboratory ul label, for example, certifies that equipment meets these standards, which prevents certain types of hazardous exposure. Electrical safety in the laboratory these and all electrical devices used in the lab setting present a potential danger of injury due to electric shock, fires due to poorly installed or maintained systems and fires due to sparks serving as an ignition source for flammable or combustible materials. Consider all floors as conductive unless covered with insulating matting of suitable type for electrical work. Safety tips have all electrical work done by a qualified electrician.
Hazardous area classification and laboratory operations. Osha office of training and education electricalelbasic1195 5 the symbol for resistance is the letter r. This excerpt section 11 from penns electrical safety program defines practices and procedures to be implemented for electrical equipment that is not listed or labeled by a nationallyrecognized testing laboratory nrtl. Check insulation on all equipment wiring before plugging in look for cracks, etc. Electrical safety precautions and basic equipment protocol. Study the basic functions of digital multimeter dmm 3. Page 7 of 49 efcog electrical safety improvement project electrical current basically, electrical hazards can be categorized into three types. Electrical equipment modified by or built by lab workers download the policy electrical safety research labs and support shops. The chapters also include recommendations for organizing an electrical safety program and descriptions of electrical safety related procedures to be used in the program. Principles of measuring voltage, current and resistance 5. The purpose of this section is to advise laboratory occupants to develop and utilize appropriate work procedures for electrical safety and to remediate electrical. Electrical safety measures and standards for laboratory facilities. In order to reduce the risk of equipment and laboratory damage and personal harm, observe the following guidelines. In many countries, laboratory work is subject by health and safety legislation.
When arc welding equipment is properly grounded, a voltage may exist between the. Esfis workplace safety materials provide valuable information to help employees make safe choices everyday and tips for creating a safer work environment, whether work takes place in an office, on a job site, or in a manufacturing setting. For advanced ecommerce capabilities fisher safety leads the industry in providing advanced ecommerce solutions for. We would like to acknowledge all faculty members and laboratory specialists who contributed to the preparation of this handbook. Student manual centers for disease control and prevention. The sign must clearly communicate that the chemical in question is known to the state to cause cancer, or birth defects or other reproductive harm. The major hazards associated with electricity are electrical shock and fire. A separate lead is required to ground the workpiece or power source.
Electrical safety procedure 1 mb, pdf training requirements. You will learn skills to help you recognize, evaluate, and control electrical hazards. Territories puerto rico and the virgin islands that have their own oshaapproved occupational safety and health standards, which may be. While electricity is in constant use by the researcher, both within and outside the laboratory, significant physical harm or death may result from its misuse. Which of the following problems can faulty electrical equipment cause. Electrical hazards osha gfci information osha gfci information uw facilities services, pdf fast facts. Esfi recognizes that each work environment presents different electrical hazards.
Safety rules help you control your and others risk of injury or death from workplace hazards. Experimental setups often involve the use of several electrically powered instruments simultaneously. An understanding of these principles is essential for comprehension of oshas electrical safety standards. A safe work environment is not always enough to control all potential electrical hazards. Electrical safety in the workplace is the most important job of an electrical worker. Electrical safety manual lawrence berkeley national laboratory. This guidance is issued by the health and safety executive. This guide is only concerned with electrical safety testing methods.