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d. No, because an extension cord would not provide enough power. The ________ keeps the electricity on its intended path through the conductor. The pole had not been inspected by the city and was not in compliance with code requirements (it was not grounded). 0000003413 00000 n
d.Ground Fault Circuit Interrupter, : Another electrical hazard that can cause injury or death in the workplace is a ________ path to ground. The accident site was wet; also, humidity was high and the victim was sweating.
C 277v. d.The body of the power tool. OSHA: Air Monitoring & Medical Surveillance, WebQuest: Biomes, Ecosystems and Habitats. Dirk, a 28-year-old mechanic, is performing maintenance on a piece of equipment when he is shocked. OSHA 29 CFR 1910, Subpart S . 3.The length of time the body is in contact with electricity
1.Is firmly connected c.Absorb any water around the area Should he use an extension cord to power it? Regarding hand protection employers should: A.
OSHA 30 - Module 12: Electrical Safety Flashcards | Quizlet Which of these can be used as insulating live-line tools for electrical protection. Electricity to operate portable power tools was supplied by a temporary service pole 50 feet away. This is action is also known as creating or completing an electrical circuit. Use only extension cords that are 3-wire type. 1452 0 obj
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Electrical hazards like frayed cords, missing ground pins, improper wiring or the harm that these hazards pose. Question 2: It's okay to use extension cords with worn insulation, as long as you are careful about it. OSHA: Air Monitoring & Medical Surveillance, 5 ANO - RETOMANDO ARTIGO, SUBSTANTIVO E ADJE. After the wall was poured, one driver cleaned the loading chute of his cement truck with a water hose mounted on the truck. <>/ExtGState<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 792 612] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>>
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OSHA-10: Avoiding Electrocution Hazards Flashcards | Quizlet 0000420887 00000 n
A co-worker disconnected the power cord to the saw, too late to save the victim. Question 2: Which of the following are ways employers must protect their employees on the workplace? If the electrical conductors become exposed, there is a danger of shocks, burns, or fire. OSHA CONSTRUCTION FINAL EXAM Question and Answer Part 10. ly/homeo3b700 Which of the following is a resource within the. He plans to use it over a period of at least six months. 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. a.Shut off power within a fraction of a second Even when the power system is properly grounded, electrical equipment can instantly change from safe to hazardous because of extreme conditions and rough treatment. Quiz Question 2: Which is acceptable when using powdered tools? 0000421627 00000 n
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Reportedly, he was shocked throughout the morning, and he had replaced one of the extension cords in an effort to eliminate the shocks. Provides information about the hazards that electrical workers may experience as a part of their jobs. 0000005406 00000 n
b.Metal b. . 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. As he removed the forms, he wrapped them with a length of cable called a choker, which was to be attached to a crane. 1.Fingernails a.Your thumb. -Severe skin burns. 1. 0000002876 00000 n
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Which of the following can be caused by exposure to an arc flash? When an electric shock occurs, your muscles may: 1.
Course 812 Module 7 OSHA Focus Four Hazards: Electrocution - OSHAcademy In which of the following workplace situations are you at risk for coming into contact with live electrical . a.Ground Fault Circuit Insulator
Introduction To Osha Quiz Answers1) Which of the following activities 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.Constructive objects, Select all answers that apply to the following statement and then click DONE. (b) The same reaction can also be classified as a redox reaction. The auger then fell across the other worker, the 24-year-old victim. 2. 0000003900 00000 n
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b.A fast-acting switch monitoring current flow a.20,000 volts :$#k9BPnZ{Qqe/reKy,'ZlB# Isolating, Power lines may be located underground. 1.Using a fiberglass ladder when the possibility exists for contact with electricity. c.Three-prong plug If a worker has been retaliated against for using their rights, they Additionally, the ground prong was missing and there was no GFCI protection. Which of the following are conductor of electricity? Quiz Question 7: Which is not an insulator? Continually audit cords on-site. 0000056642 00000 n
Determine duration, frequency, degree of exposure to hazards and physical stress. Damaged Extension Cord Leaves Arc Welder Ungrounded: A 29-year-old welder attempted to connect a portable arc welder to an electrical outlet using an extension cord. <>
Select the correct answer and then click DONE. q>NmnLNmb$"Iyx1bD9.~Ll. Take any defective equipment out of service. Two of the extension cords had no ground prongs, and some of them were repaired with electrical tape. As the victim climbed down a makeshift ladder, he shifted the saw from his right hand to his left, and was shocked. 0000002150 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. A 56-year-old construction laborer was removing forms from a concrete wall poured several days earlier. hb``b``=p0X8n0lY0L#rK[V26h* @0H!XDl+!&FfUfo`h6l 0000003254 00000 n
Visually inspect all electrical equipment before use. Select the correct answer and then click DONE. What was Latoya's first mistake? Water [Flexible Cords and Power Tools]. 0000004273 00000 n
1.Cuts -Damage to internal organs. The victim was totally deaf in one ear and suffered diminished hearing in the other. Which of the following are insulators of electricity? d. Match the outlet prongs to the extension cord. b.Match the thickness of the extension cord to the thickness of the nail gun's power cord. a.Supply power for tools or equipment on a temporary or short-term basis. Gloves used for electrical work must be inspected and tested prior to use, and be certified every: A. 0000010155 00000 n
[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. Extension cords are used to: Follow manufacturers' recommended testing procedure to insure GFCI is working correctly. It's okay to use extension cords with worn insulation, as .
OSHA: Common Electrical Hazards Flashcards | Quizlet 1.Pain b) Staples
electrical safety part 1 Flashcards | Quizlet Flexible Cord Not 3-Wire, Hard Service Variety: A worker received a fatal shock when he was cutting drywall with a metal casing router. 3. Test your knowledge with our electrical safety quiz below. 1. Both could have prevented the accident from occuring. 2.Flooding 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. 0000006893 00000 n
A 29-year-old worker was electrocuted when he pushed a crane cable into a 7,200-volt power line. 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. 3.Needs to be reset
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1. ( Select the correct answer and then click DONE. 3. c. Match the color of the tool to the color of the extension cord. 1.Missing or broken path to ground. 1.Missing 4.Combustible dust, Fundamentals of Engineering Economic Analysis, David Besanko, Mark Shanley, Scott Schaefer. Unless you know otherwise, assume that overhead lines are energized. Explain the purpose and use of the MyPlate symbol. a.Two-prong plug Overhead and buried power lines at your site are especially hazardous because they carry extremely high voltage. Use only cords, connection devices, and fittings that are equipped with strain relief. How might this event affect the ability of animals to obtain energy to live? <>>>
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Electrical Safety Standards in the Workplace - NFPA 70E - Grainger KnowHow These short objective type questions with answers are very important for competitive exams as well as Board exams. 0000012360 00000 n
Exercise their rights under the law without retaliation, including reporting an injury or raising health and safety concerns with their employer or OSHA. (D) None of the above. 0000004921 00000 n
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Electrical Hazards - SSOE Group He yelled for his co-workers to disconnect the power, which they did. Underground electrical hazards are: A. Among all of the safety measures that can and should be used to prevent electrical shock, which one is the most essential? Best Practices with Power Lines 1. 4.Broken. Improper Use of Extension and Flexible Cords. (a) Describe the reaction between the hydride ion and water in terms of a Bronsted acid-base reaction. No Ground-Fault Circuit Interrupters (GFCIs): A journeyman HVAC worker was installing metal duct work using a double-insulated drill connected to a drop light cord. 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$]r**-I!o66PqK.z
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Potential hazards of electricity are preventable if you: Electricity must always travel in a(n) ________, ________ circuit. c. Inductive objects
3. The following hazards are the most frequent causes of electrical injuries Contact with power lines, Lack of ground-fault protection, Path to ground missing or discontinuous, Equipment not used in manner prescribed, and Improper use of extension and flexible cords.
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Using a dry wood ladder when the possibility exists for contact with electricity. Quiz Question 4: Which is a preventive measure to prevent hazards while working with power lines? Extension cords had poor splices, no grounds, and reversed polarity. Select the choices that accurately define the common electrical term. 2. hbb``b``3N0
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OSHA: Electrical Hazards Flashcards | Quizlet 0000007116 00000 n
[, Do not modify cords or use them incorrectly. Intentionally creating a low-resistance path that connects to the earth. Is the west coast of Africa a plate boundary? (See NFPA 70E-2021 Article 130 and OSHA subpart S part . H\n@0vj@/R#tnvihavopnS1>v8Z6zLpOCRU.O^6pImjgk{xv6%zp\,{|7_WqNfhu09$U?kW}: }y}]OIL5~W*8D~%W-yww;sORYbfspA.%YJV
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b.Shut off power within five minutes of the imbalance 5.Twitch, Electrical shock may result in: Electrical Contractors Industry. gYpV:+ Contact utilities for buried power line locations. c.15 feet 4.Organs, The presence of ________ can turn you, your equipment, or insulators like wood into conductors. Co-workers provided CPR, but were unable to revive the victim. Find the energy required to raise an electron from the n=4n=4n=4 state to the n=5n=5n=5 state in Li2+\mathrm{Li}^{2+}Li2+ and in hydrogen atom.
PDF Working Safely with Electricity - Occupational Safety and Health If the power supply to the electrical equipment at your site is not grounded or the path has been broken, fault current may travel through a worker's body, causing electrical burns or death. 1. a.related to muscle damage. 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. Study with Quizlet and memorize flashcards containing terms like OSHA's electrical standards are based on: A. ANSI standards B. If the insulation on the tool's power cord is damaged and you touch this area while grounded, the electricity will ________.