3.Clear -Falls. electrical safety part 1 Flashcards | Quizlet 1.Is firmly connected After the wall was poured, one driver cleaned the loading chute of his cement truck with a water hose mounted on the truck. 0000005632 00000 n Select the correct answer and then click DONE. The individual's perspiration-soaked clothing/body contacted bare exposed conductors on one of the cords, causing an electrocution. 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. Electrical hazards expose workers to the following: Burns: Three types; electrical, arc flash, or thermal contact. 0000002385 00000 n Select the correct answer and then click DONE. b+t6W' te+.W_{8u7Dt@1c. 1452 0 obj <> endobj b.Not wearing insulating shoes or boots when she was handling electrical equipment What is the most common, non-fatal, electrical shock-related injury? d.Constructive objects, Select all answers that apply to the following statement and then click DONE. 0000003640 00000 n b.10 feet 0000005734 00000 n The light fixture, which served as a ground, was known to be faulty for at least 5 months before the incident. She has an older drill with a steel housing and a 3-prong plug. Computers Post warning signs. Provide a safe path to earth ground for electricity. 5>vB35Plm$\4{U[lU`t~.vJGmFO^@+ cGPzNY*oS(m%q{Agp 0000017163 00000 n PDF OSHA Safety - Electrical Safety - Red Vector d. heart attacks. c. Inductive objects 0000012360 00000 n 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. Identify the oxidizing and reducing agents. a. d.Add more outlets. Due to the dynamic, rugged nature of construction work, normal use of electrical equipment at your site causes wear and tear that results in insulation breaks, short-circuits, and exposed wires. D. near other electrical equipment. 0000004686 00000 n 0000001604 00000 n xref Know glove capability VS hazard anticipated (exposure to chemicals, heat, or flames). 0000001116 00000 n %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. Electrical Safety Standards in the Workplace - NFPA 70E - Grainger KnowHow startxref _.9u'2G_0 Ue]e"x5|Y d.Ground Fault Circuit Interrupter, : Another electrical hazard that can cause injury or death in the workplace is a ________ path to ground. 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 auger has a one-quarter horsepower motor encased in a metal housing with two handles. Electrical Safety Quiz-Test Your Electrical Safety Knowledge Using multi-receptacle boxes designed to be. 4. PDF SAFETY HAZARDS: These are the most PHYSICAL HAZARDS: CHEMICAL HAZARDS @*@;z}IAH@3MsgU1Dnf@agLahpCn@&b|-^;b0k*!3VYy,jy%( Z%|\Jg"dRp-Wbz3QJS%k9p_WtZ The most dangerous place to use electrical equipment is? Should he use an extension cord to power it? De-energizing Short Confined spaces Machinery-related hazards (lockout/tagout, boiler safety, forklifts, etc.) <> Hazards are created when cords, cord connectors, receptacles, and cord- and plug connected equipment are improperly used and maintained. 4.Cardiac arrest 182 0 obj <> endobj xref 182 41 0000000016 00000 n 2.Yes, because he is using a portable power tool. This caused him to fall from the ladder and land in a puddle of water, still holding the saw. d. 411, You are working with a 10-foot section of a conductive pipe near power lines. Which group would be more accurate when used in an accelerating spaceship? Ajay needs to use a dewatering pump to drain standing water on a construction site. endobj Electrocution. When inspecting extension cords, look for: Electrocution was the second leading cause of worker deaths on construction sites in the United States in 2011. 0000021516 00000 n 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. PDF Electrical Hazards - Occupational Safety and Health Administration CCOHS: Electrical Safety - Basic Information Select the correct answer and then click DONE. 0000004884 00000 n 2 0 obj While attempting to unplug the compressor from the extension cord, the employee was fatally shocked. c.A measurement of electricity Using cords or tools with worn insulation or exposed wires. 3.Cramp c.Power lines (See NFPA 70E-2021 Article 130 and OSHA subpart S part . Remove cords from receptacles by pulling on the plugs, not the cords. How fast would the ball be moving at the moment of release? a.Ground Fault Circuit Insulator endobj Reportedly, he was shocked throughout the morning, and he had replaced one of the extension cords in an effort to eliminate the shocks. Cardiac arrest or death - A result of electrical shock. Study with Quizlet and memorize flashcards containing terms like OSHA's electrical standards are based on: A. ANSI standards B. These short objective type questions with answers are very important for competitive exams as well as Board exams. Course 812 Module 7 OSHA Focus Four Hazards: Electrocution - OSHAcademy a.Yes, as it is a mobile engine testing station. BE SAFE! Looking for NFPA 70E Certification? Look for overhead power lines and buried power line indicators. Test your knowledge with our electrical safety quiz below. 0000004208 00000 n 0000006893 00000 n a.Extension cords d.Adapter, What is a GFCI? 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. Contact utilities for buried power line locations. Question 3: If following lock out/tag out procedures, what step should be taken BEFORE you shut down the equipment? Study with Quizlet and memorize flashcards containing terms like Among all of the safety measures that can and should be used to prevent electrical shock, which one is the most essential?, According to NFPA 70E, job briefings must be held for those employees that will be working on or near live parts operating at ______ or more., When does electricity become hazardous to humans? Death is probable. %PDF-1.4 % Quiz Question 1: Which of the following is not a category of electrical burns? Both the operator and the victim failed to notice that the boom had contacted a 2,400-volt overhead power line. OSHA 10 General Industry Test Answer Key WALKING. 3.Vapor High humidity 1.Cuts a.Yes, because the electrical shock caused the fall. <>>> 0000001896 00000 n Any cords found not to be marked for hard or extra-hard use, or which have been modified, must be taken out of service immediately. Electrical Hazards Electrical hazards can be found in nearly every roofing work site. OSHA 10 - Exit Routes, Emergency Action Plans, The Analysis and Design of Linear Circuits, Albert J. Rosa, Gregory J. Toussaint, Roland E. Thomas. [Flexible Cords and Power Tools]. s\A0W+ Which of the following are caused by contact with electricity? Outlets You discover the electrical cord on a drill has been damaged and some of the cord's insulation is missing. b.A fast-acting switch monitoring current flow 0 Quiz Question 9: Conductor insulation must be approved for the ___________ of use? d.A power tool, A GFCI is designed to: Electricity to the auger was supplied by a series of 50-foot extension cords running to an adjacent property. 0000011060 00000 n endobj xYmo -ER/&@[D,_! When selecting the right extension cord, a good rule of thumb is to match the thickness of the extension cord to the thickness of: 0000004444 00000 n When used on the moon? 4. Question 2: Which of the following are ways . 4.Running through doorways. d.Metal, Over half of all deaths caused by electricity result from contact with ________. 0000002479 00000 n g]+fn_m{mja_0Y w endstream endobj 189 0 obj <> endobj 190 0 obj <>stream Question 2: Which of the following are ways employers must protect their employees on the workplace? OSHA 29 CFR 1910.147 . 1.Is faulty Death. c) Age Electricity will form a "path" or "loop". 1,[-c|"&u[Fu>wjte8j:xRk )"m_!6awT J,byp?fRBf?p|b3/Um\7"|+@5vvWAa5J^y*q,l b)Ftt4 :4,-J`! Ground all exposed metal parts of equipment. -Grounding= a conductive connection to the earth which acts as a protective measure. A. indoors. 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 Electrical Hazards - SSOE Group endobj HJ=S~68438IR/:VR C Y<7H*$F>ya)N1bTa+'OdzydV9QS]b{}(=q?pH,mt8{Ag ]wp?2N$AfnhBL!jV=6ho)5jA8H`Bkh{T[v\G%b|4| Eo*cF ]TBGjB[r6)WzCkQ;Bx(]*JG;&o0TV.P=s4Gs(&e~}j76,-6at$]r**-I!o66PqK.z "*D The NEC C. Suggestions 12 months C. 6 months D. Never Q23. 4.No, because he does not need to use an extension cord. If a worker has been retaliated against for using their rights, they 15,000 milliamps (15 amps) Lowest overcurrent at which a typical fuse or circuit breaker opens a circuit! *Effects are for voltages less than about 600 volts. Quiz: Electrical Hazards. Fire 0000014257 00000 n 0000006152 00000 n c.Three-prong plug uVNSF!UTRQ91uR,6@hCH}]GAlaPh)NeT$iQ89S9|?4wahU ltz9 PH[$I&VX9WG%K~1{u8M:D"+HLEy 3@NR^z!rB^?RyOj;'Lof. Explain the purpose and use of the MyPlate symbol. b.30,000 volts Apply a warning tag to any defective tool and do not use it until the problem has been corrected. 0000108653 00000 n OSHA CONSTRUCTION FINAL EXAM Question and Answer Part 10. ly/homeo3b700 Which of the following is a resource within the. Carly needs to use an extension cord with her corded nail gun. You need to evaluate the situation you are in and assess your . Should Ajay use a GFCI? The ground wire was not attached on the male end of the cord's plug. 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 plug of the compressor and an extension cord had been modified to fit a wall outlet for a common household clothes dryer (220 V). 0000003254 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. 5. 3.Tears 0000056642 00000 n OSHA: Air Monitoring & Medical Surveillance, 5 ANO - RETOMANDO ARTIGO, SUBSTANTIVO E ADJE. OSHA: How Electricity Works Flashcards | Quizlet 0000005042 00000 n 21 Examples Of Electrical Hazards - HSEWatch Among all of the safety measures that can and should be used to prevent electrical shock, which one is the most essential? 2.Something to transport the electrical current -- A conductor. <<7628BB2D46738F42B2FC6393656F4718>]>> The workers had removed their shirts and were sweating. 0000004274 00000 n Does the fall qualify as an electrical accident? Extension cords had poor splices, no grounds, and reversed polarity. Using a dry wood ladder when the possibility exists for contact with electricity. Introduction To Osha Quiz Answers1) Which of the following activities 2. Apparently, his hand contracted and he was "locked" to the saw. RZyd Select the correct answer and then click DONE. 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. Examples of Equipment That Can Contact Power Lines. A. wrap tape around the damaged spot to prevent electrical shocks. . 4.Organs, The presence of ________ can turn you, your equipment, or insulators like wood into conductors. Electricity becomes hazardous when it takes an unintended path to complete the ________. The \rule{1cm}{1pt} artery carries deoxygenated blood from the heart to the lungs. 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. Seven employees of a masonry company were erecting a brick wall from a tubular, welded-frame scaffold approximately 24 feet high. 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. a.Conductive objects 2. Best practices with power lines include: Best Practices with Power Lines 1. 0000002122 00000 n -Conductor= permits the free flow of electricity. -Current= the movement of electrical charge. 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. 2.Placed along a wall. Follow manufacturers' recommended testing procedure to insure GFCI is working correctly. 1452 25 He may have dropped the extension cord at the site and not heard the connector break. 2. Improper Use of Extension and Flexible Cords. Used across walkways. Intentionally creating a low-resistance path that connects to the earth. Electrical safety requirements necessary for the practical safeguarding of employees in the workplace. %PDF-1.4 % The following references aid in recognizing hazards associated with electrical work.

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