which of the following are electrical hazards osha quizlet

*Effects are for voltages less than about 600 volts. 0000006152 00000 n Which of the following factors determine how severe an electrical injury might be? 2. 0000108920 00000 n (B) Switch sticks. View Best Practices with Power Lines Quiz OSHA 30.docx from OSHA 30 at Columbia Southern University. The pole had not been inspected by the city and was not in compliance with code requirements (it was not grounded). 0000001495 00000 n Explosion. The workers had removed their shirts and were sweating. qnde>9!.,T2 :hw5 #OaPxkx=y7]J-yv*'H$jmVCq$ sx:R2$9SY+D!!LJ:n+.\#Hu~2VI O? Frequently inspect electrical systems to insure that the path to ground is continuous. Using equipment outdoors that is labeled for use only in dry, indoor locations. Is not painted over a.related to muscle damage. a.Conductive objects Ground metal parts of the following non-electrical equipment, as specified by the OSHA standard [29 CFR 1926.404(f)(7)(v)]: Frames and tracks of electrically operated cranes. 128 0 obj <> endobj xref 128 26 0000000016 00000 n [29 CFR 1926.416(a)(1)]. Protection is lost because it will not trip when the system's load has been exceeded. The \rule{1cm}{1pt} artery carries deoxygenated blood from the heart to the lungs. No GFCI's were used. The normal wear and tear on extension and flexible cords at your site can loosen or expose wires, creating hazardous conditions. Death is probable. Should he use an extension cord to power it? What is the output of the program in Exercise 17, if first = 26 and second = 8? <> 1452 0 obj <> endobj stream -Conductor= permits the free flow of electricity. The light fixture, which served as a ground, was known to be faulty for at least 5 months before the incident. Supply power for tools or equipment on a long-term basis. The floor is covered in water and she is barefoot. PDF OSHA Safety - Electrical Safety - Red Vector -Voltage= a measure of electrical force. endobj eTool : Construction - Electrical Incidents | Occupational Safety and Then answer the questions below. %PDF-1.4 % d.Metal, Over half of all deaths caused by electricity result from contact with ________. 2. C. near water. Electrical Hazards Electrical hazards can be found in nearly every roofing work site. [, Use all equipment according to the manufacturer's instructions. ( 0000002195 00000 n d. heart attacks. Question 2: Which of the following are ways . A 20-year-old bricklayer standing on the work platform in contact with the main scaffold was electrocuted. 3.Loose nuts 4.Organs, The presence of ________ can turn you, your equipment, or insulators like wood into conductors. Does the fall qualify as an electrical accident? Two of the extension cords had no ground prongs, and some of them were repaired with electrical tape. (See NFPA 70E-2021 Article 130 and OSHA subpart S part 1910.333 (a) (1)- (2) and (c) for complete details.) Question 1: Employers must ensure that every electric utilization system and all utilization equipment installed, majorly modified, or replaced after March 15, 1972, complies with the standards for electricity set by the National Fire Protection Association, which have been adopted by OSHA. The auger has a one-quarter horsepower motor encased in a metal housing with two handles. Which of the following are electrical hazards? - Brainly.com a.Two-prong plug 2.Using extension cords or electrical tools properly. 3. Others, such as office workers and sales people, work with electricity indirectly and may also be exposed to electrical hazards. These short objective type questions with answers are very important for competitive exams as well as Board exams. Working with electricity can be dangerous. %PDF-1.4 % If the electrical conductors become exposed, there is a danger of shocks, burns, or fire. Which of the following injuries can occur when muscles flex or twitch from an electrical shock? b+t6W' te+.W_{8u7Dt@1c. Other protective measures include guarding or insulating the lines. OSHA: Electrical Hazards Flashcards | Quizlet Select the correct answer and then click DONE. gYpV:+ c) Establish and enact an assured equipment grounding conductor program (AEGCP) Select the correct answer and then click DONE. OSHA: Air Monitoring & Medical Surveillance, WebQuest: Biomes, Ecosystems and Habitats. Get All Answers to OSHA 30 Construction Final Exam. 0000011060 00000 n Electrical hazards expose workers to the following: Burns: Three types; electrical, arc flash, or thermal contact. The victim was totally deaf in one ear and suffered diminished hearing in the other. 2. 0000004793 00000 n The victim signaled the operator of the crane to extend the boom and lower the hoist cable. 0000427811 00000 n 0000015549 00000 n Becoming part of the circuit exposes you to ________, the most dangerous electrical hazard. 0000419562 00000 n -Current= the movement of electrical charge. 4.Cardiac arrest Select the correct answer and then click DONE. While attempting to unplug the compressor from the extension cord, the employee was fatally shocked. B. a.Electricity Among all of the safety measures that can and should be used to prevent electrical shock, which one is the most essential? trailer <<11AC4BACEBCA4B32A885F1120BD3A307>]>> startxref 0 %%EOF 153 0 obj <>stream Question 3: If following lock out/tag out procedures, what step should be taken BEFORE you shut down the equipment? b.Shut off power within five minutes of the imbalance De-energizing Is the west coast of Africa a plate boundary? Muscular contraction and nerve damage occur; death likely. All of the following are essential considerations for the safe use of cords and wiring EXCEPT: Which one of these methods is not acceptable for putting out an electrical fire? 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. Examples of Equipment That Can Contact Power Lines. <>>> Looking for NFPA 70E Certification? 1.Using a fiberglass ladder when the possibility exists for contact with electricity. Electrical Contractors Industry. 3.Needs to be reset 0000013716 00000 n 1,[-c|"&u[Fu>wjte8j:xRk )"m_!6awT J,byp?fRBf?p|b3/Um\7"|+@5vvWAa5J^y*q,l b)Ftt4 :4,-J`! 0000012360 00000 n c. Match the color of the tool to the color of the extension cord. 0000007464 00000 n Explain the purpose and use of the MyPlate symbol. 4.Damaged cover or insulation, When using electric-powered hand tools, do not overload: PDF Electrical Safety - Occupational Safety and Health Administration I;C`_;LV'd,|#H--e`( ')'RpAgA7O`?%68SB b.burns. a. Gaseous matter 1.Missing PDF Name: Date: Test Electrical Safety Quiz SELECT THE BEST ANSWER. The NEC C. Suggestions Quiz Question 3: Power cords can be damaged by which of the following? Attaching ungrounded, two-prong adapter plugs to three-prong cords and tools. A 120v. 0000007427 00000 n A) 120v . 0000002403 00000 n Study with Quizlet and memorize flashcards containing terms like OSHA's electrical standards are based on: A. ANSI standards B. c.Wood Quiz Question 6: Which of these is not a type of Ground Fault Circuit Adapter? . 0000002150 00000 n 0000005632 00000 n Question 2: Which of the following is NOT a category of electrical burns? Electrocution was the second leading cause of worker deaths on construction sites in the United States in 2011. 2. a.Yes, as it is a mobile engine testing station. Post warning signs. What factors determine the severity of Dirk's injuries? Use tools and equipment according to the instructions included in their listing, labeling or certification. a.20,000 volts Co-workers provided CPR, but were unable to revive the victim. (D) None of the above. d.50,000 volts. As the victim climbed down a makeshift ladder, he shifted the saw from his right hand to his left, and was shocked. Electrical - Overview | Occupational Safety and Health Administration 1.Pain 4.Combustible dust, Fundamentals of Engineering Economic Analysis, David Besanko, Mark Shanley, Scott Schaefer. Ground metal parts of the following non-electrical equipment, as specified by the OSHA standard [, Frames and tracks of electrically operated. Reportedly, he was shocked throughout the morning, and he had replaced one of the extension cords in an effort to eliminate the shocks. 0000004965 00000 n Provide a safe path to earth ground for electricity. 4 0 obj 1.Clench 0000420887 00000 n PDF SAFETY HAZARDS: These are the most PHYSICAL HAZARDS: CHEMICAL HAZARDS -Severe skin burns. Is not broken, Question Text: Electrical tools should be grounded with a(n)________. Question 1: Which of these is a type of Ground Fault Circuit Adapter? 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. 0000009628 00000 n Select the choices that accurately define the common electrical term. Work performed on an electrical system within reaching distance of energized components is_____work. Contact utilities for buried power line locations. Extension cords may become a trip hazard when: She has an older drill with a steel housing and a 3-prong plug. lb MKS c.Power lines 0000000816 00000 n A fan connected to a 120-volt electrical system via an extension cord provided ventilation for a worker performing a chipping operation from an aluminum stepladder. When selecting the right extension cord, a good rule of thumb is to match the thickness of the extension cord to the thickness of: Remove cords from receptacles by pulling on the plugs, not the cords. d) All of the above. d.Add more outlets. Safe operation of hand and portable powered tools and other hand-held equipment. Select the correct answer and then click DONE. 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. 182 0 obj <> endobj xref 182 41 0000000016 00000 n %PDF-1.5 OSHA 30 Module 6: Personal Protective Equipme, OSHA 30 - Module 16: Recordkeeping & Reporting, OSHA 30 - Module 18: Safety and Health Progra, OSHA 30 - Module 11: Welding, Cutting and Bra, CRJ 200 Limitations (Official-ish) - MODDED (, SERE 100.2 Level A SERE (J3TA-US1329) (Civili, Fundamentals of Engineering Economic Analysis, David Besanko, Mark Shanley, Scott Schaefer, E. Russell Johnston, Ferdinand Beer, Phillip Cornwell. 10,000 milliamps (10 amps) Cardiac arrest and severe burns occur. 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. 3.Clear RZyd 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. -Falls. d.Ground Fault Circuit Interrupter, : Another electrical hazard that can cause injury or death in the workplace is a ________ path to ground. Question 3: Employers are not required to enforce lock out/tag out practices in the workplaces. _5JKy. 1. Wearing a baseball cap 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. Does the fall qualify as an electrical accident? 2. 0000000016 00000 n Electrical hazards are life threatening incidents that could happen due to electricity. Which one of these methods MOST effectively protects machines, tools, and operators against damage from electrical current? PDF ODULE 1 INTRODUCTION TO E SAFETY - Occupational Safety and Health Electricity must follow an uninterrupted loop from the power source to the equipment and back to the power source or ________. You should? The small electrical current enters his body through his left leg. 2.Is working properly What do tripped circuit breakers and blown fuses indicate? Question 4: When a worker receives an electric shock, first aid must start within ___________ minutes. a. 0000001672 00000 n 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. Even when the power system is properly grounded, electrical equipment can instantly change from safe to hazardous because of extreme conditions and rough treatment. 4. [. 2.Loose bolts A measure of the energy of motion of the particles in a substance is its _____. Used across walkways. Test your knowledge with our electrical safety quiz below. 0000004274 00000 n 4.Dirt build-up, Use only approved and authorized power tools in areas where the following hazards may be present: 1.The humidity of the environment An OSHA inspection revealed that the tool's original power cord had been replaced with a flat cord, which was not designated for hard service, and that strain relief was not provided at the point where the cord entered the tool. Electrical safety requirements necessary for the practical safeguarding of employees in the workplace. 0000004921 00000 n It is important to note that NFPA 70E is a . 3.Maintaining a safe distance of at least 10 feet from all overhead power lines. <> Using tools and equipment that can contact power lines increases the risk. gYpV:+ The workers administered CPR to the victim, but to no avail. Underground electrical hazards are: A. Course 812 Module 7 OSHA Focus Four Hazards: Electrocution - OSHAcademy 1.Damaged cover or insulation Do not remove ground prongs from cord- and plug-connected equipment or extension cords. Effective means of controlling power line hazards include: How fast would the ball be moving at the moment of release? Best Practices with Power Lines 1. 3.ack of ground fault protection. 0000017336 00000 n a.Ground Fault Circuit Insulator The source of the shocks -- the saw -- was not replaced. It's okay to use extension cords with worn insulation, as . What was Latoya's first mistake? d.Water, Other electrical hazards in the workplace include: c.Three-prong plug Besides personal bodily injury, what other electrical hazards can be found in the workplace? The ground wire was not attached on the male end of the cord's plug. 1. 0000010603 00000 n 3.Draped over equipment. 3. Flexible Cord Not 3-Wire, Hard Service Variety: A worker received a fatal shock when he was cutting drywall with a metal casing router. Look for overhead power lines and buried power line indicators. c. Inductive objects Additionally, the ground prongs were missing from the two cords. Short In Power Saw/Ungrounded Temporary Power Supply: On July 10, 1986, a 22-year-old carpenter was working at the construction site of large apartment complex, using a portable electric saw to construct the wooden framework of a laundry building. 0000005406 00000 n When it completes a circuit through the body. Using a dry wood ladder when the possibility exists for contact with electricity. The factors that determine the severity of an electrical injury include: [, Do not modify cords or use them incorrectly. Both the operator and the victim failed to notice that the boom had contacted a 2,400-volt overhead power line. b) Staples a.311 2.Grounding 0000002122 00000 n a.A small current Question 1: Employers must ensure that every electric utilization system and all utilization equipment installed, majorly modified, or replaced after March 15, 1972, complies with the standards for electricity set by the National Fire Protection Association, which have been adopted by OSHA. In 2017, there were over ______________ electrical related violations cited by OSHA in the workplace. Additional minimum clearance distance is required for power lines carrying over ________. c.Absorb any water around the area g]+fn_m{mja_0Y w endstream endobj 189 0 obj <> endobj 190 0 obj <>stream 0000003900 00000 n A Safety Electrical One Line Diagram should be used to _____ all sources of electrical energy. Explain the process that prevents the poles from steadily cooling off and the tropics from heating up over time. 3.Vapor Identify the oxidizing and reducing agents. Overview. d. 411, You are working with a 10-foot section of a conductive pipe near power lines. Potential hazards of electricity are preventable if you: Electricity must always travel in a(n) ________, ________ circuit. c.Gasoline 2.Flooding As he began to pull away, the crew supervisor yelled to him, asking if the crew could use his water hose to wash out their cement bucket suspended from the crane. One worker, holding the deadman's switch, received a shock from a ground fault in the auger and was knocked back from the machine. x=k6S *ywvkDyb_w rg&@Q5/^4O_~w/]7[xqs7Zt?LK-,>W\W`Mb?n8\.vpOJA7~5R%.oJd|Bbv7biQH%^~C=m3_ov{8] }C.Se={o7H[w@/^j BgXRC/O/eiLHiN\4~7x=^J@|]zu"x]lQ-+.xF=oY +B?jSl|(agF_].+UH\!/;AU .cG!h@42 iqnkZtdc#^)AX96(wFZ,RP{[\j\aJgc) diV;BNzZge(}=0Pj Qp@"]yOnNw89 <> Hand-operated metal shifting ropes or cables of electric elevators. Select the correct answer and then click DONE. 5 feet Quiz: Electrical Hazards. b.Yes, as it would be too expensive to install more permanent wiring and receptacles. 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. 1. Draw a line from the item on the left that corresponds to the match on the right. 2.Something to transport the electrical current -- A conductor. What is the most common, non-fatal, electrical shock-related injury? 2.Skin 4. 0000004946 00000 n Overhead and buried power lines at your site are especially hazardous because they carry extremely high voltage. 2.Complete Electricity will form a "path" or "loop". When an electric shock occurs, your muscles may: 0000001896 00000 n 4,600. 4.Flex xYmo -ER/&@[D,_! 0000006893 00000 n Electrical current travels through insulated ________. Select the correct answer and then click DONE. Should Ajay use a GFCI? 30 days B. 0000001646 00000 n OSHA-10: Avoiding Electrocution Hazards Flashcards | Quizlet 0000005734 00000 n The victim provided a path to ground and was electrocuted. 1.Flammable liquids 1.Is faulty D. Have an ANSI sticker and an expiration date. Select the correct answer and then click DONE. OSHA CONSTRUCTION FINAL EXAM Question and Answer Part 10. ly/homeo3b700 Which of the following is a resource within the. Damaged Extension Cord Leaves Arc Welder Ungrounded: A 29-year-old welder attempted to connect a portable arc welder to an electrical outlet using an extension cord. 2.Loss of muscle control OSHA 29 CFR 1910.147 . d) All of the above. 3 OSHA requires the testing of a volt meter after a voltage test on voltage above_____. Electrocution. 0000012944 00000 n OSHA Safety and Health Topics Page. c.The outlet. d. 20 feet. 0000006866 00000 n He plans to use it over a period of at least six months. 0000008392 00000 n If the insulation on the tool's power cord is damaged and you touch this area while grounded, the electricity will ________. A. indoors. 0000004444 00000 n Noise, : ________ or heavy perspiration can cause electricity to take an unintended path. Electricity becomes hazardous when it takes an unintended path to complete the ________. 0000108653 00000 n Metal partitions, grill work, and similar metal enclosures around equipment of over 1kV between conductors. 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. c.Touching the motor Outlets 0 PDF C. d.Alert workers of any water in the area, GFCI is an acronym for: 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 c. Extend the reach of the power tool. 3.Body tissue 0000022637 00000 n electrical safety part 1 Flashcards | Quizlet b.Not wearing insulating shoes or boots when she was handling electrical equipment d. Not checking to make sure that the motor was properly grounded, If the circuit does not turn off when testing the GFCI, the GFCI: The contact lasts for 5 seconds before someone is able to shut off the power. Potential hazards of electricity are preventable if you do which of the following listed below? A 29-year-old worker was electrocuted when he pushed a crane cable into a 7,200-volt power line. Fire 0000003715 00000 n x_HSqnwmky54YLzeStJi# TZObFT*.#BQF/Q 0000003603 00000 n This standard also includes safe work practices for employees performing other work activities that can expose them to electrical hazards as well as safe work practices for the following: (1) Installation of conductors and equipment that connect to the supply of electricity (2) Installations used by the electric utility, such as office . If a defective power tool gives you an electric shock, how might your muscles react? Using multi-receptacle boxes designed to be. OSHA 10 - Exit Routes, Emergency Action Plans, The Analysis and Design of Linear Circuits, Albert J. Rosa, Gregory J. Toussaint, Roland E. Thomas. Introduction To Osha Quiz Answers1) Which of the following activities Dust -Rubber. 4 0 obj Additionally, the ground prong was missing and there was no GFCI protection. Exercise their rights under the law without retaliation, including reporting an injury or raising health and safety concerns with their employer or OSHA. OSHA: Air Monitoring & Medical Surveillance, 5 ANO - RETOMANDO ARTIGO, SUBSTANTIVO E ADJE. Electricity to the auger was supplied by a series of 50-foot extension cords running to an adjacent property. Using the wrong light bulb wattage; Overloading power strips and outlets; Unprotected electrical outlets; Poor wiring; Defective electrical wires The victim was part of a crew that was constructing a concrete wall. Electrical safety quiz answers are given below. 1) The _____ created the Occupational Safety and Health Administration (OSHA) to set and enforce protective workplace safety and health standards. 4.Broken. Which of the following are conductor of electricity? When you plug in a device (e.g., a power tool), the electricity takes the easiest path from the plug-in, to the tool, and back to the power source. 1452 25 4.No, because he does not need to use an extension cord. 0000007694 00000 n Question 2: Which of the following are ways employers must protect their employees on the workplace? b. Deductive objects 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). 0000004686 00000 n Short Confined spaces Machinery-related hazards (lockout/tagout, boiler safety, forklifts, etc.) 0000013999 00000 n d.The body of the power tool. Osha 10 test answers 2021 quizlet - Math Questions Suppose a volcano threw so much ash into the air that it blocked much of the sunlight. BE SAFE! View Answer Answer: 600v 4 . -If current passes through the body near the heart or brain. 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. 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. Regarding hand protection employers should: A. Follow manufacturers' recommended testing procedure to insure GFCI is working correctly. Use non-conductive wood or fiberglass ladders when working near power lines. Bob is asked to repair some overhead wiring, requiring the use a ladder. <>>> 0000003413 00000 n De-energize and ground lines when working near them. Select the correct answer and then click DONE. b.A fast-acting switch monitoring current flow a. A 56-year-old construction laborer was removing forms from a concrete wall poured several days earlier. 3. 1.Is firmly connected BIOLOGICAL HAZARDS: term effects) and strain (longAssociated with working with animals, people, or infectious plant materials. OSHA Pros, LLC is an authorized provider of 360 Training, an OSHA-Accepted Provider, offering training and certification courses for NFPA 70E-Standard, and <<7628BB2D46738F42B2FC6393656F4718>]>> Which of the following are caused by contact with electricity? )KL3C?e%Y92$,]^)kmR/!8\ JF N'bT\U1+tc+&:'ZuGi!UeUrE [?CrU.&|#@Ed,=2UF]r/n/{v-;v>%/~;[*AxBU,-#!uyFGR,Wv[ cOzObnZfI4ob:pf "~ .iBE@mOs:Os5U9cnU` Vd"F'4Bm?>}hyRQyrX0U026h7#L'. As a result, the ground prong of the welder plug did not insert into the ground terminal of the cord, so that as soon as a connection was made, the outside metal case of the welder became energized, electrocuting the victim. %%EOF 0000002479 00000 n Match the length from job to outlet. 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. Select the correct answer and then click DONE. b.Yes, because Bob was on . 1.Missing or broken path to ground. b.10 feet c.A measurement of electricity Using circuit breakers or fuses with the wrong rating for over-current protection, e.g. 0000057373 00000 n 0000005520 00000 n Isolating, Power lines may be located underground. a.Shut off power within a fraction of a second a.Standing in water Ground all power supply systems, electrical circuits, and electrical equipment. (C) Hot sticks. After the wall was poured, one driver cleaned the loading chute of his cement truck with a water hose mounted on the truck. Explosion Which of the following part of you body can burn if you come in contact with electricity? 4.On equipment that must run unattended for long periods of time, Manufacturing equipment may be grounded using a wire connected to a rod driven into the earth. As she is adding in the chemicals, her hand touches the motor and it becomes energized.

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