<> List the four main types of electrical injuries, Using the illustration, select the answer that matches the picture, Identify the illustration by selecting the appropriate answer. a.311 Study with Quizlet and memorize flashcards containing terms like OSHA's electrical standards are based on: A. ANSI standards B. 0000001731 00000 n V1?`T`P``ya W3 |"H36K1A@, rO(V[|NAT30 qI? endstream endobj 221 0 obj <>/Filter/FlateDecode/Index[30 152]/Length 27/Size 182/Type/XRef/W[1 1 1]>>stream Select the correct answer and then click DONE. On the day of the incident, the victim plugged in a damaged extension cord and laid it out towards the bulkhead. C 277v. A 20-year-old bricklayer standing on the work platform in contact with the main scaffold was electrocuted. 1. ( c.Guaranteed Fault Circuit Interrupter H\n0)M) 0Ir(,?FoKhdklz6zHG;mOqOh-tv.]NGv~d.m\S{|Fo-x-\"1X/niCYeq"ol8D~&?Kr V_/9yf 9JV%J899s{_G#R0="dL5,p: Hand-operated metal shifting ropes or cables of electric elevators. 1.Pain Hazards are created when cords, cord connectors, receptacles, and cord- and plug connected equipment are improperly used and maintained. b) Staples c) Establish and enact an assured equipment grounding conductor program (AEGCP) 0000010603 00000 n The most dangerous place to use electrical equipment is? Other protective measures include guarding or insulating the lines. A worker was removing a metal antenna when it made electrical contact with a 7200-volt power transmission line. As he removed the forms, he wrapped them with a length of cable called a choker, which was to be attached to a crane. c.Three-prong plug The ground wire was not attached on the male end of the cord's plug. Only after a rescue squad arrived about 4 minutes later did anyone realize that the crane was in contact with a power line -- all those present had assumed that the victim had suffered a heart attack. When the energized conductor made contact with the ladder, the path to ground included the worker's body, resulting in death. Lockout/tagout procedures. The following hazards are the most frequent causes of electrical injuries Contact with power lines, Lack of ground-fault protection, Path to ground missing or discontinuous, Equipment not used in manner prescribed, and Improper use of extension and flexible cords. 0000003900 00000 n OSHA 10 - Exit Routes, Emergency Action Plans, The Analysis and Design of Linear Circuits, Albert J. Rosa, Gregory J. Toussaint, Roland E. Thomas. Quiz Question 4: Which is a preventive measure to prevent hazards while working with power lines? Provide a safe path to earth ground for electricity. 182 0 obj <> endobj xref 182 41 0000000016 00000 n 3.Loose nuts 0000006866 00000 n Which of the following can be caused by exposure to an arc flash? There are many types of hazards - chemical, ergonomic, physical, and psychosocial, to name a few - which can cause harm or adverse effects in the workplace. Which of the following are conductor of electricity? Electric current cannot exist without an unbroken path to and from the conductor. lb MKS The modification of the plug was not an intended use or prescribed by the manufacturer. Question 2: Which of the following are ways . Which of the following part of you body can burn if you come in contact with electricity? The source of the electricity was apparently a short in a receptacle, but examination revealed that the electrical equipment used by the contractor was in such poor condition that it was impossible to make a certain determination of the source of the short. 1.Fingernails The following references aid in recognizing hazards associated with electrical work. 0000089142 00000 n OSHA 30 Construction Final Test Answer Key - Studylib Adapter For 3-Prong Cord Not Grounded To Outlet: On May 27, 1986, two workers were using a 110-volt auger to install tie-down rods for a manufactured home. NFPA 70E: Standard for Electrical Safety in the Workplace 0000007427 00000 n Extension cords are used to: The following are electrical hazards: Shock. 0000057373 00000 n View Best Practices with Power Lines Quiz OSHA 30.docx from OSHA 30 at Columbia Southern University. [Flexible Cords] Cords that are not 3-wire type, not designed for hard-usage, or that have been modified, increase your risk of contacting electrical current. 0000003413 00000 n If electrical equipment is used in ways for which it is not designed, you can no longer depend on safety features built in by the manufacturer. Examples of Equipment That Can Contact Power Lines. While attempting to unplug the compressor from the extension cord, the employee was fatally shocked. qnde>9!.,T2 :hw5 #OaPxkx=y7]J-yv*'H$jmVCq$ sx:R2$9SY+D!!LJ:n+.\#Hu~2VI O? b.Ground Fault Critical Interrupter 0000012360 00000 n Select the correct answer and then click DONE. What is the primary purpose of properly grounding equipment? <>>> 3.ack of ground fault protection. a.Shut off power within a fraction of a second 3.Loss of eyesight 1.Cuts <> 128 0 obj <> endobj xref 128 26 0000000016 00000 n You discover the electrical cord on a drill has been damaged and some of the cord's insulation is missing. A measure of the energy of motion of the particles in a substance is its _____. Ajay needs to use a dewatering pump to drain standing water on a construction site. The \rule{1cm}{1pt} artery carries deoxygenated blood from the heart to the lungs. 5 feet OSHA Safety and Health Topics Page. PDF C. 1 0 obj This caused him to fall from the ladder and land in a puddle of water, still holding the saw. Attaching ungrounded, two-prong adapter plugs to three-prong cords and tools. 2. 0000427811 00000 n d.The body of the power tool. Switch <> d.Metal, Over half of all deaths caused by electricity result from contact with ________. Best Practices with Power Lines 1. Whether the hazard is posed by worn or damaged power tools or cords, improperly grounded tools or equipment, or the presence of standing water, it is the responsibility of the contractor to make sure the tools and equipment Working with electricity can be dangerous. Select the correct answer and then click DONE. The auger has a one-quarter horsepower motor encased in a metal housing with two handles. What do tripped circuit breakers and blown fuses indicate? Question 1: Which of these is a type of Ground Fault Circuit Adapter? b.Electrical tools 4 0 obj The light fixture, which served as a ground, was known to be faulty for at least 5 months before the incident. :$#k9BPnZ{Qqe/reKy,'ZlB# 0000056642 00000 n Lx*jWP# /c2)|]NXqAx>=~'[ This is action is also known as creating or completing an electrical circuit. d. 20 feet. There were no eyewitnesses to the accident, but evidence suggests that while the victim was handling the damaged and energized extension cord, he provided a "path to ground" and was electrocuted. 0000421920 00000 n OSHA 10 General Industry Test Answer Key WALKING. Which of the following are caused by contact with electricity? 1,[-c|"&u[Fu>wjte8j:xRk )"m_!6awT J,byp?fRBf?p|b3/Um\7"|+@5vvWAa5J^y*q,l b)Ftt4 :4,-J`! What type of burns are the result of current flowing through and exiting the body? OSHA 10 General Industry Topic Exams Answer Key TOPIC EXAM 1: INTRO TO OSHA 1. Apparently, his hand contracted and he was "locked" to the saw. Both could have prevented the accident from occuring. @*@;z}IAH@3MsgU1Dnf@agLahpCn@&b|-^;b0k*!3VYy,jy%( Z%|\Jg"dRp-Wbz3QJS%k9p_WtZ The length of time the body is in the circuit, in contact with electricity - Factor determining the severity of an electrical . 3 OSHA requires the testing of a volt meter after a voltage test on voltage above_____. Course 812 Module 7 OSHA Focus Four Hazards: Electrocution - OSHAcademy d.A power tool, A GFCI is designed to: The insulation on the extension cord was cut through and exposed bare, energized conductors which made contact with the ladder. Since the outlet at the adjacent property had no socket for a ground prong, the extension cords were plugged into the outlet using an adapter, but the ground wire of the adapter was not grounded. He plans to use it over a period of at least six months. Out of several possible scenarios, the most likely was contact between the exposed wires of an extension cord and a screw that protruded from the receptacle, which had its face plate removed. OSHA 10-Hour Safety Course - Electrical Safety Page 5 of 5 Use the three-stage safety model to stay safe: recognize, evaluate, and control hazards. 2. _5JKy. She has an older drill with a steel housing and a 3-prong plug. stream PDF Electrical Safety - Occupational Safety and Health Administration Question 2: Which of the following is NOT a category of electrical burns? SECTION #4 | Participant Guide 2 Electrical Safety mELECTRICAL SAFETYm mACTIVITY 1 - GROUNDINGm In your small group, read fact sheets A and B, and the following scenario. He yelled for his co-workers to disconnect the power, which they did. a.Electricity 0000002195 00000 n c.Absorb any water around the area a. Additionally, the ground prong was missing and there was no GFCI protection. Fire Best practices with power lines include: 4,600. A fault occurred, and with no grounding and no GFCI protection, the worker was electrocuted. Electrical Safety Multiple Choice Questions(MCQs) & Answers - gkseries Remove from service any equipment with frayed cords, missing ground prongs, cracked tool casings, etc. d. No, because an extension cord would not provide enough power. A. indoors. 4.Running through doorways. Explain the process that prevents the poles from steadily cooling off and the tropics from heating up over time. electrical safety part 1 Flashcards | Quizlet 4.Damaged cover or insulation, When using electric-powered hand tools, do not overload: [Flexible Cords and Power Tools] If there is no ground-fault protection, these can cause a ground-fault that sends current through the worker's body, resulting in electrical burns, explosions, fire, or death. 4. (3,2,1), (5,4,3). % d) All of the above. Get resources on specific hazards and their control, including identification, risk assessment and inspections, to keep your workplace healthy and safe. hb``b``=p0X8n0lY0L#rK[V26h* @0H!XDl+!&FfUfo`h6l 4. he most common shock-related injuries are: 0000003603 00000 n 1476 0 obj <>stream 0000011060 00000 n 4. (a) Describe the reaction between the hydride ion and water in terms of a Bronsted acid-base reaction. Select the correct answer and then click DONE. Explosion d. Match the outlet prongs to the extension cord. D. Communicate the hazard to the crew and subs, use signs and bar E. Both C and D Q22. Remove cords from receptacles by pulling on the plugs, not the cords. Question 4: When a worker receives an electric shock, first aid must start within ___________ minutes. Regarding hand protection employers should: A. Safe operation of hand and portable powered tools and other hand-held equipment. Is the west coast of Africa a plate boundary? Which of the following are electrical hazards? - Brainly.com To verify an electrically safe work condition, all these conditions should be confirmed EXCEPT: Effective training of employees includes all of the following EXCEPT: How to operate power tools in wet conditions. 3. Burns. 12 months C. 6 months D. Never Q23. Follow manufacturers' recommended testing procedure to insure GFCI is working correctly. Osha 10 test answers 2021 quizlet - Math Questions Test your knowledge with our electrical safety quiz below. 2.The person's physical condition True. c.Power lines Using modified cords or tools, e.g., removing ground prongs, face plates, insulation, etc. RZyd 0000108920 00000 n 0000002479 00000 n You should? a.Your thumb. Intentionally creating a low-resistance path that connects to the earth. OSHA-10: Avoiding Electrocution Hazards Flashcards | Quizlet The power switch on the welder was already in the "on" position, and the female end of the extension cord, which was spring loaded, had apparently been dropped and broken. The first worker knocked the auger off the victim, but saw that the electric cord was wrapped around the victim's thigh. 0000007464 00000 n The victim was part of a crew that was constructing a concrete wall. 0000004208 00000 n The floor is covered in water and she is barefoot. Wearing a baseball cap 3 0 obj 1. trailer <]/Prev 500768/XRefStm 1495>> startxref 0 %%EOF 222 0 obj <>stream Using tools and equipment that can contact power lines increases the risk. b.Rod 0000022637 00000 n 4.Dirt build-up, Use only approved and authorized power tools in areas where the following hazards may be present: a.Yes, because the electrical shock caused the fall. Electrical hazards expose workers to the following: Burns: Three types; electrical, arc flash, or thermal contact. When does electricity become hazardous to humans? 0000068035 00000 n Select the correct answer and then click DONE. Outlets Using circuit breakers or fuses with the wrong rating for over-current protection, e.g. . Introduction To Osha Quiz Answers1) Which of the following activities B. 1. a) Ensure overhead power line safety Before work began, the company safety director made sure that insulated line hoses were placed over sections of the the power line near the jobsite and that a safety clearance zone was marked off for arriving cement trucks. What factors determine the severity of Dirk's injuries? Is not painted over uVNSF!UTRQ91uR,6@hCH}]GAlaPh)NeT$iQ89S9|?4wahU ltz9 PH[$I&VX9WG%K~1{u8M:D"+HLEy 3@NR^z!rB^?RyOj;'Lof. Frequently inspect electrical systems to insure that the path to ground is continuous. 0000006152 00000 n 2.Loose bolts Post warning signs. Electricity must follow an uninterrupted loop from the power source to the equipment and back to the power source or ________. 4 0 obj c.The outlet. Look for overhead power lines and buried power line indicators. Leaving or using electrical appliances near water - As electric current is transmitted faster in on wet surfaces, you stand a chance of getting an electric shock. Use only extension cords that are 3-wire type. trailer <<11AC4BACEBCA4B32A885F1120BD3A307>]>> startxref 0 %%EOF 153 0 obj <>stream As the victim climbed down a makeshift ladder, he shifted the saw from his right hand to his left, and was shocked. No GFCI's were used. Even when the power system is properly grounded, electrical equipment can instantly change from safe to hazardous because of extreme conditions and rough treatment. c.Wood 0000009628 00000 n 3.When you are using portable power tools Electrocution. 0000000816 00000 n Among all of the safety measures that can and should be used to prevent electrical shock, which one is the most essential? Using cords or tools with worn insulation or exposed wires. b.Not wearing insulating shoes or boots when she was handling electrical equipment b.10 feet D. near other electrical equipment. %PDF-1.5 a.20,000 volts Two of the extension cords had no ground prongs, and some of them were repaired with electrical tape. Effective means of controlling power line hazards include: Reportedly, he was shocked throughout the morning, and he had replaced one of the extension cords in an effort to eliminate the shocks. 1.Damaged cover or insulation Use tools and equipment according to the instructions included in their listing, labeling or certification. c. Extend the reach of the power tool. b.burns. NFPA 70E defines those special circumstances and sets rigid electrical safety limits on voltage exposures, work zone boundary requirements and necessary personal protective equipment (PPE). b.A fast-acting switch monitoring current flow Electricity will form a "path" or "loop". 1452 25 (A) Shotgun sticks. . If the insulation on the tool's power cord is damaged and you touch this area while grounded, the electricity will ________. Select the correct answer and then click DONE. Using a dry wood ladder when the possibility exists for contact with electricity. Overhead and buried power lines at your site are especially hazardous because they carry extremely high voltage. b.811 Check your employee's electrical safety knowledge through an electrical safety quiz. PDF OSHA Safety - Electrical Safety - Red Vector 3. 0000001646 00000 n b+t6W' te+.W_{8u7Dt@1c. [Flexible Cords and Power Tools]. Use non-conductive wood or fiberglass ladders when working near power lines. When the victim reached down to connect the choker to the hoist cable, he suddenly collapsed. b.30,000 volts Which one of these methods MOST effectively protects machines, tools, and operators against damage from electrical current? Electricity to operate portable power tools was supplied by a temporary service pole 50 feet away. b. Deductive objects startxref [Power Tools]. True. An 18-year-old worker at a construction site was electrocuted when he touched a light fixture while descending from a scaffold for his afternoon break. a.Conductive objects d.Alert workers of any water in the area, GFCI is an acronym for: When current travels through your body - Definition of electric shock. 2.Placed along a wall. b.Metal Power was supplied through two extension cords from a nearby residence. 0000108653 00000 n a.Yes, as it is a mobile engine testing station. Bob is asked to repair some overhead wiring, requiring the use a ladder. stream What three things must be present for a current to flow through a conductor. These short objective type questions with answers are very important for competitive exams as well as Board exams. The victim used two extension cords to supply power: a home-made cord plugged into an ungrounded receptacle on the pole, and a UL-approved cord extending from the homemade cord to the saw. 0000005632 00000 n <> Carly needs to use an extension cord with her corded nail gun. Be sure equipment that has been shop fabricated or altered is in compliance. Looking for NFPA 70E Certification? ZR)!=w|; @uT C0? Cardiac arrest or death - A result of electrical shock. Exercise their rights under the law without retaliation, including reporting an injury or raising health and safety concerns with their employer or OSHA. The workers had removed their shirts and were sweating. A worker was operating a " electric chisel when an electrical fault occurred in the casing of the tool, causing him to be fatally electrocuted. [. Fatal electrocution is the main risk, but burns and falls from elevations are also hazards. <<7628BB2D46738F42B2FC6393656F4718>]>> -Voltage= a measure of electrical force. 0000013999 00000 n Arc Flash. Draw a line from the item on the left that corresponds to the match on the right. gYpV:+ q>NmnLNmb$"Iyx1bD9.~Ll. 1.When you are using electricity near water PDF Name: Date: Test Electrical Safety Quiz SELECT THE BEST ANSWER. Quiz Question 2: Which is acceptable when using powdered tools? 0000004274 00000 n Besides personal bodily injury, what other electrical hazards can be found in the workplace? %%EOF OSHA: Common Electrical Hazards Flashcards | Quizlet 1.Is firmly connected The router's 3-wire power cord was spliced to a 2-wire cord and plug set which was not rated for hard service. 2.Grounding If a defective power tool gives you an electric shock, how might your muscles react? 0000004793 00000 n The source of the shocks -- the saw -- was not replaced. Yes, because he will be using electricity near water. I;C`_;LV'd,|#H--e`( ')'RpAgA7O`?%68SB b.Yes, because Bob was on . 0000001861 00000 n OSHA will keep all identities confidential. Frames of non-electrically driven elevator cars to which electric conductors are attached. B. outdoors. 0000005520 00000 n Draw a line from the item on the left that corresponds to the match on the right. xref How might this event affect the ability of animals to obtain energy to live? 1.Is faulty Determine duration, frequency, degree of exposure to hazards and physical stress. -Rubber. Occupational Safety & Health Administration, Death Due to Lack of Ground-Fault Protection, Deaths Due to Missing or Discontinuous Path to Ground, Deaths Due to Equipment Not Used in Manner Prescribed, Deaths Due to Improper Use of Extension and Flexible Cords, Occupational Safety and Health Administration, Outreach Training Program (10- and 30-hour Cards), OSHA Training Institute Education Centers, Improper use of extension and flexible cords, Electrical Safety: Safety and Health for Electrical Trades Student Manual, ground-fault circuit interrupters (GFCI)s, assured equipment grounding conductor program (AEGCP), Electricity and Tree Care Work A Deadly Combination, Working Safely Around Downed Electrical Wires, Electrical Safety Hazards of Overloading Cable Trays, Small Business Safety and Health Handbook, Fire Fighters Exposed to Electrical Hazards During Wildland Fire Operations, Fatality Assessment and Control Evaluation (FACE) Program, NIOSH Face Reports Indexed by Industry or Cause of Fatality, Worker Deaths by Electrocution: A Summary of Surveillance Findings and Investigative Case Reports, Severe Storm and Flood Recovery Assistance.
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