Additional minimum clearance distance is required for power lines carrying over ________. OSHA 10 - Exit Routes, Emergency Action Plans, The Analysis and Design of Linear Circuits, Albert J. Rosa, Gregory J. Toussaint, Roland E. Thomas. Flexible Cord Not 3-Wire, Hard Service Variety: A worker received a fatal shock when he was cutting drywall with a metal casing router. When an electric shock occurs, your muscles may: 4. Select the correct answer and then click DONE. 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. An employee was texturing a wall using an air compressor. 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. Underground electrical hazards are: A. View Best Practices with Power Lines Quiz OSHA 30.docx from OSHA 30 at Columbia Southern University. 4.Circuit breakers, When inspecting power tools, look for: 0000007741 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. Ground metal parts of the following non-electrical equipment, as specified by the OSHA standard [, Frames and tracks of electrically operated. OSHA requires the testing of a volt meter after a voltage test on voltage above_____. DHPP0MHLHIPPXc f2LXL"dgJ:@ ys`llr-shH,Y@Z 23J0a_TXD;X,;&0i,i&f&T8h R/ v`,l. 440!2D9482q={LPXs +( endstream endobj 129 0 obj <> endobj 130 0 obj <> endobj 131 0 obj <>/ColorSpace<>/Font<>/ProcSet[/PDF/Text/ImageB]/ExtGState<>>> endobj 132 0 obj <> endobj 133 0 obj <> endobj 134 0 obj <> endobj 135 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. vpfuI)],s 5>vB35Plm$\4{U[lU`t~.vJGmFO^@+ cGPzNY*oS(m%q{Agp OSHA 29 CFR 1910.147 . OSHA: Air Monitoring & Medical Surveillance, 5 ANO - RETOMANDO ARTIGO, SUBSTANTIVO E ADJE. 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? She has an older drill with a steel housing and a 3-prong plug. Use only equipment that is approved to meet OSHA standards. 1. Isolating, Power lines may be located underground. 3. d. Match the outlet prongs to the extension cord. Seven employees of a masonry company were erecting a brick wall from a tubular, welded-frame scaffold approximately 24 feet high. 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. Select the correct answer and then click DONE. ZR)!=w|; @uT C0? The laborer, who was wearing leather gloves, received an electric shock and dropped the wire reinforcement, which fell across the power line and simultaneously contacted the metal rail of the scaffold, energizing the entire scaffold. Dirk, a 28-year-old mechanic, is performing maintenance on a piece of equipment when he is shocked. 0000018681 00000 n d.Constructive objects, Select all answers that apply to the following statement and then click DONE. Does the fall qualify as an electrical accident? Select the correct answer and then click on DONE. Question 2: Which of the following is NOT a category of electrical burns? OSHA CONSTRUCTION FINAL EXAM Question and Answer Part 10. ly/homeo3b700 Which of the following is a resource within the. Get All Answers to OSHA 30 Construction Final Exam. Question 4: Which of the following is a type of burn caused by electrical hazards? 0000009628 00000 n Which of the following are insulators of electricity? a.Conductive objects A fault occurred, and with no grounding and no GFCI protection, the worker was electrocuted. This caused him to fall from the ladder and land in a puddle of water, still holding the saw. a.related to muscle damage. d.A power tool, A GFCI is designed to: 2.Flooding (A) Shotgun sticks. ( When the victim reached down to connect the choker to the hoist cable, he suddenly collapsed. Freeze Yes, because he will be using electricity near water. 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 1.Pain endobj [29 CFR 1926.416(a)(1)]. 2 0 obj c. Inductive objects 0000003771 00000 n Engineers, electricians, and other professionals work with electricity directly, including working on overhead lines, cable harnesses, and circuit assemblies. and more. stream Frames of non-electrically driven elevator cars to which electric conductors are attached. 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. d.Add more outlets. )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'. Reportedly, he was shocked throughout the morning, and he had replaced one of the extension cords in an effort to eliminate the shocks. Should he use an extension cord to power it? 1.Using a fiberglass ladder when the possibility exists for contact with electricity. 1452 0 obj <> endobj A worker was removing a metal antenna when it made electrical contact with a 7200-volt power transmission line. 0000057373 00000 n c.Absorb any water around the area c.falls. Unless you know otherwise, assume that overhead lines are energized. A 20-year-old bricklayer standing on the work platform in contact with the main scaffold was electrocuted. 4.Must be replaced, Always use a GFCI: 1. 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. As he removed the forms, he wrapped them with a length of cable called a choker, which was to be attached to a crane. Select the correct answer and then click DONE. Study with Quizlet and memorize flashcards containing terms like OSHA's electrical standards are based on: A. ANSI standards B. 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. 3.Vapor Know glove capability VS hazard anticipated (exposure to chemicals, heat, or flames). a.Two-prong plug OSHA 10 General Industry Topic Exams Answer Key TOPIC EXAM 1: INTRO TO OSHA 1. Explosion xb```VVF A10p,``Pp`hhdpn``r`L:[ I,aZ4Knj21 `ny; Ge7t@OrMx)"cx&e:[~J%aUJ\*t 2 0 obj Quiz: Electrical Hazards. 1. *Effects are for voltages less than about 600 volts. d.Metal, Over half of all deaths caused by electricity result from contact with ________. What factors determine the severity of Dirk's injuries? D. Have an ANSI sticker and an expiration date. 0 As he is working on the wiring, he receives an electrical shock that knocks him backward and causes him to fall off the ladder. 2. 0000005734 00000 n Select the correct answer and then click DONE. 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. <> 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. Question 2: Which of the following are ways . Select the correct answer and then click DONE. Handling Damaged Extension Cord When Energized: A 19-year-old construction laborer was working with his foreman and another laborer to construct a waterfront bulkhead for a lakeside residence. A laborer carried a piece of wire reinforcement (10 feet long by 8 inches wide) along the top section of the scaffold and contacted the power line with it. True. 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. A. wrap tape around the damaged spot to prevent electrical shocks. OSHA 29 CFR 1910, Subpart P . Electrical Safety Multiple Choice Questions and Answers for competitive exams. 0000006152 00000 n Other protective measures include guarding or insulating the lines. a.Electricity Explain the process that prevents the poles from steadily cooling off and the tropics from heating up over time. <>/ExtGState<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 792 612] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> 4. 4.Good condition of moveable parts, Items that could encourage overheating and cause tools to malfunction or start a fire include: endobj a.Ground Fault Circuit Insulator What was Latoya's first mistake? 4.Broken. Select the correct answer and then click DONE. 2. c.Three-prong plug Some of the causes of these are live wire s that may be lying around, overloaded circuits, explosions that are caused by flammable objects, etc. c.The outlet. 0000421920 00000 n Ajay needs to use a dewatering pump to drain standing water on a construction site. 0000420277 00000 n c.Guaranteed Fault Circuit Interrupter Use only extension cords that are marked with a designation code for hard or extra-hard usage. d. heart attacks. trailer <<11AC4BACEBCA4B32A885F1120BD3A307>]>> startxref 0 %%EOF 153 0 obj <>stream What is the most common, non-fatal, electrical shock-related injury? b.10 feet 1.Missing d.Alert workers of any water in the area, GFCI is an acronym for: While attempting to unplug the compressor from the extension cord, the employee was fatally shocked. Draw a line from the item on the left that corresponds to the match on the right. s\A0W+GA?~G?nnnnnnnnnnnn>>{Wrbrbrbrb sbZef'N(:QvD":1vbo7o7o7W*_bTs6ivyU,;dFW` { endstream endobj 191 0 obj [/ICCBased 211 0 R] endobj 192 0 obj <> endobj 193 0 obj <> endobj 194 0 obj <> endobj 195 0 obj <> endobj 196 0 obj <>stream 0000420564 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. 0000011060 00000 n Does the fall qualify as an electrical accident? A) Identify; Castigate; C) Evaluate; D) Modify; 3. 3.Draped over equipment. 0000005050 00000 n Quiz Question 2: Which is acceptable when using powdered tools? Select the correct answer and then click DONE. How fast would the ball be moving at the moment of release? Electrical Safety Quiz Electrical safety is an important topic that you and your workers need to know about. The victim was part of a crew that was constructing a concrete wall. 0000000016 00000 n startxref 3 0 obj If a worker has been retaliated against for using their rights, they 3.When you are using portable power tools 0000001646 00000 n 5 feet 0000010155 00000 n 4.Flex C. near water. I;C`_;LV'd,|#H--e`( ')'RpAgA7O`?%68SB Continually audit cords on-site. Is not broken, Question Text: Electrical tools should be grounded with a(n)________. b.Yes, because Bob was on . If the electrical conductors become exposed, there is a danger of shocks, burns, or fire. 0000002403 00000 n He yelled for his co-workers to disconnect the power, which they did. Among all of the safety measures that can and should be used to prevent electrical shock, which one is the most essential? Determine duration, frequency, degree of exposure to hazards and physical stress. In 2017, there were over ______________ electrical related violations cited by OSHA in the workplace. Use only cords, connection devices, and fittings that are equipped with strain relief. Wearing a baseball cap a.20,000 volts Question 3: A/an ____________ is a unit of measurement for electrical resistance. Question 1: Which of the following is a danger of electricity? 5.Twitch, Electrical shock may result in: 0000003715 00000 n Question 1: Each year, approximately __________ workers suffer from electricity related injuries. a.Shut off power within a fraction of a second The driver stopped the truck under the power line, and the victim, not realizing that the truck had moved, swung the boom to position the bucket behind the truck. 1.Flammable liquids A Safety Electrical One Line Diagram should be used to _____ all sources of electrical energy. It's okay to use extension cords with worn insulation, as . The insulation on the extension cord was cut through and exposed bare, energized conductors which made contact with the ladder. 2. 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. The individual's perspiration-soaked clothing/body contacted bare exposed conductors on one of the cords, causing an electrocution. b.Match the thickness of the extension cord to the thickness of the nail gun's power cord. 0000003640 00000 n Select the correct answer and then click DONE. 3.ack of ground fault protection. Electrical safety requirements necessary for the practical safeguarding of employees in the workplace. Computers Question 3: Employers are not required to enforce lock out/tag out practices in the workplaces. 0000002150 00000 n Fire Which of the following can be the result of electric shock? Then answer the questions below. C 277v. The accident site was wet; also, humidity was high and the victim was sweating. Is the west coast of Africa a plate boundary? 2.Placed along a wall. Post warning signs. Follow manufacturers' recommended testing procedure to insure GFCI is working correctly. 4. 0000015549 00000 n Electrocution. %%EOF %PDF-1.5 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. 0000007116 00000 n 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. 2.Using extension cords or electrical tools properly. 0000003413 00000 n 3. 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. Bob is asked to repair some overhead wiring, requiring the use a ladder. Co-workers provided CPR, but were unable to revive the victim. c. Extend the reach of the power tool. c.40,000 volts b.A fast-acting switch monitoring current flow [Flexible Cords and Power Tools]. 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. 1.Fingernails 1. c. Match the color of the tool to the color of the extension cord. -Glass. a.Standing in water A 29-year-old worker was electrocuted when he pushed a crane cable into a 7,200-volt power line. When selecting the right extension cord, a good rule of thumb is to match the thickness of the extension cord to the thickness of: Question 3: If following lock out/tag out procedures, what step should be taken BEFORE you shut down the equipment? -Voltage= a measure of electrical force. 1.Clench 0000022637 00000 n Even when the power system is properly grounded, electrical equipment can instantly change from safe to hazardous because of extreme conditions and rough treatment. B 208v. Select the choices that accurately define the common electrical term. The modification of the plug was not an intended use or prescribed by the manufacturer. <<7628BB2D46738F42B2FC6393656F4718>]>> 1452 25 Quiz Question 10: Ground-fault circuit interrupters must be used for all of the following except? Do not remove ground prongs from cord- and plug-connected equipment or extension cords. endobj The \rule{1cm}{1pt} artery carries deoxygenated blood from the heart to the lungs. d. 20 feet. specifically addresses electrical protective devices. D. Communicate the hazard to the crew and subs, use signs and bar E. Both C and D Q22. How might this event affect the ability of animals to obtain energy to live? b.811 Intentionally creating a low-resistance path that connects to the earth. b.Ground Fault Critical Interrupter d) All of the above. 0000007694 00000 n 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. 0000021516 00000 n 15,000 milliamps (15 amps) Lowest overcurrent at which a typical fuse or circuit breaker opens a circuit! Quiz Question 6: Which of these is not a type of Ground Fault Circuit Adapter? When current travels through your body - Definition of electric shock. (C) Hot sticks. Using modified cords or tools, e.g., removing ground prongs, face plates, insulation, etc. hb``b``=p0X8n0lY0L#rK[V26h* @0H!XDl+!&FfUfo`h6l 2.Something to transport the electrical current -- A conductor. a. Gaseous matter a.A small current When current travels through your body - Definition of electric shock, Choose the primary cause of an electric shock, Electric shock is caused when current travels through the body, the exits the ground. trailer <]/Prev 500768/XRefStm 1495>> startxref 0 %%EOF 222 0 obj <>stream Cardiac arrest or death - A result of electrical shock. Question 1: Which of these is a type of Ground Fault Circuit Adapter? g]+fn_m{mja_0Y w endstream endobj 189 0 obj <> endobj 190 0 obj <>stream 0000003900 00000 n As she is adding in the chemicals, her hand touches the motor and it becomes energized. Check your employee's electrical safety knowledge through an electrical safety quiz. Which of the following are conductor of electricity? If the insulation on the tool's power cord is damaged and you touch this area while grounded, the electricity will ________. Regarding hand protection employers should: A. 1. Study with Quizlet and memorize flashcards containing terms like Bob is asked to repair some overhead wiring, requiring the use a ladder. If you are touching any grounded material while using a power tool 0000414648 00000 n (See NFPA 70E-2021 Article 130 and OSHA subpart S part . H\n@0vj@/R#tnvihavopnS1>v8Z6zLpOCRU.O^6pImjgk{xv6%zp\,{|7_WqNfhu09$U?kW}: }y}]OIL5~W*8D~%W-yww;sORYbfspA.%YJV L%=Kx&0W+ -Current= the movement of electrical charge. 2.Yes, because he is using a portable power tool. 0000005520 00000 n 0000002733 00000 n -Rubber. 1) The _____ created the Occupational Safety and Health Administration (OSHA) to set and enforce protective workplace safety and health standards. In which of the following workplace situations are you at risk for coming into contact with live electrical . OSHA will keep all identities confidential. Electricity for power tools was supplied from an exterior 120-volt, grounded AC receptacle located at the back of the residence. Select the choices that accurately define the common electrical term. You discover the electrical cord on a drill has been damaged and some of the cord's insulation is missing. a.311 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. (b) The same reaction can also be classified as a redox reaction.

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