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You need to evaluate the situation you are in and assess your . Electricity to the auger was supplied by a series of 50-foot extension cords running to an adjacent property. ZR)!=w|; @uT C0? One hand drill was not grounded, and the other had no safety plate. 0000001861 00000 n
Identify the oxidizing and reducing agents. [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. When he grasped the handle of the bucket to pull it down, the crane cable came into contact with the overhead line. Know glove capability VS hazard anticipated (exposure to chemicals, heat, or flames). 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? 1.Pain 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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Select the correct answer and then click DONE. Electrical - Overview | Occupational Safety and Health Administration c) Age Select the correct answer and then click DONE. 5 feet b.Ground Fault Critical Interrupter 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. 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 addition to contact with power lines, the top electrical hazards include: C. near water. 1.A source of electrical current to flow. Bob is asked to repair some overhead wiring, requiring the use a ladder. Is not broken, Question Text: Electrical tools should be grounded with a(n)________. If the electrical conductors become exposed, there is a danger of shocks, burns, or fire. Select the choices that accurately define the common electrical term. The accident site was wet; also, humidity was high and the victim was sweating. c. No, because the electricity is needed on a long-term basis. Other protective measures include guarding or insulating the lines. The auger has a one-quarter horsepower motor encased in a metal housing with two handles. PDF Working Safely with Electricity - Occupational Safety and Health 2.Flooding s\A0W+ b.Not wearing insulating shoes or boots when she was handling electrical equipment a) Ensure overhead power line safety 0000014257 00000 n
3. 30 days B. If the insulation on the tool's power cord is damaged and you touch this area while grounded, the electricity will ________. 0000421920 00000 n
The ground wire was not attached on the male end of the cord's plug. PDF OSHA Safety - Electrical Safety - Red Vector 1.Is faulty Among all of the safety measures that can and should be used to prevent electrical shock, which one is the most essential? OSHA Safety and Health Topics Page. What three things must be present for a current to flow through a conductor. 0000002195 00000 n
The individual's perspiration-soaked clothing/body contacted bare exposed conductors on one of the cords, causing an electrocution. 3.ack of ground fault protection. What is the most common, non-fatal, electrical shock-related injury? 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. Determine duration, frequency, degree of exposure to hazards and physical stress. 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). H\n0)M) 0Ir(,?FoKhdklz6zHG;mOqOh-tv.]NGv~d.m\S{|Fo-x-\"1X/niCYeq"ol8D~&?Kr V_/9yf
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2.Loose screws Electrical Safety Quiz - OSHA.net The following are electrical hazards: Shock. A) Identify; Castigate; C) Evaluate; D) Modify; 3. -Conductor= permits the free flow of electricity. Electrical safety quiz answers are given below. The contact lasts for 5 seconds before someone is able to shut off the power. The scaffold had been constructed only 21 horizontal inches across from a 7,620-volt power 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. 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. What is the primary purpose of properly grounding equipment? 0000022637 00000 n
The ________ keeps the electricity on its intended path through the conductor. 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. 4.Circuit breakers, When inspecting power tools, look for: An employee was texturing a wall using an air compressor. d.Ground Fault Circuit Interrupter, : Another electrical hazard that can cause injury or death in the workplace is a ________ path to ground. =EAn`u!d, |\~Y>ZF(
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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. 0000006866 00000 n
The light fixture, which served as a ground, was known to be faulty for at least 5 months before the incident. Dirk, a 28-year-old mechanic, is performing maintenance on a piece of equipment when he is shocked. Quiz Question 1: Which of the following is not a category of electrical burns? <>/ExtGState<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>>
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[29 CFR 1926.416(a)(1)]. a.20,000 volts He yelled for his co-workers to disconnect the power, which they did. Seven employees of a masonry company were erecting a brick wall from a tubular, welded-frame scaffold approximately 24 feet high. What was Latoya's first mistake? 0000005632 00000 n
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b.The tool's power cord. Potential hazards of electricity are preventable if you do which of the following listed below? a. Gaseous matter A. wrap tape around the damaged spot to prevent electrical shocks. 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. Two of the extension cords had no ground prongs, and some of them were repaired with electrical tape. 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.Clear 0000005042 00000 n
Noise, : ________ or heavy perspiration can cause electricity to take an unintended path. *Effects are for voltages less than about 600 volts. a.Conductive objects True. Find the volume of the parallelepiped determined by the vertices (1,1,1),(4,7,2) . Electrical Safety Multiple Choice Questions and Answers for competitive exams. 0000010155 00000 n
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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. Which of the following can be the result of electric shock? b.burns. One handle has a deadman's switch. Burns. Quiz Question 4: Which is a preventive measure to prevent hazards while working with power lines? -Current= the movement of electrical charge. 1. If you are touching any grounded material while using a power tool b.Yes, because Bob was on . 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 s\A0W+GA?~G?nnnnnnnnnnnn>>{Wrbrbrbrb sbZef'N(:QvD":1vbo7o7o7W*_bTs6ivyU,;dFW`
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SCENARIO: You encounter a co-worker on a residential remodeling job. 4.Running through doorways. Additionally, the ground prong was missing and there was no GFCI protection. 0000003603 00000 n
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OSHA: Air Monitoring & Medical Surveillance, WebQuest: Biomes, Ecosystems and Habitats. Examples Of Electrical Hazards. OSHA will keep all identities confidential. Question 4: Which of the following is a type of burn caused by electrical hazards? b.A fast-acting switch monitoring current flow High humidity A 29-year-old worker was electrocuted when he pushed a crane cable into a 7,200-volt power line. Continually audit cords on-site. 2.The person's physical condition Looking for NFPA 70E Certification? The presence of ______ can turn you, your equipment, or insulators like wood, into conductors. 4.Must be replaced, Always use a GFCI: Call ________ prior to digging to be connected with your local One Call Center to have all underground lines located by the utility company. 1.Cuts 3.Body tissue Use only cords, connection devices, and fittings that are equipped with strain relief. Electrical Safety Quiz-Test Your Electrical Safety Knowledge a) Door or window edges A worker was operating a " electric chisel when an electrical fault occurred in the casing of the tool, causing him to be fatally electrocuted. Others, such as office workers and sales people, work with electricity indirectly and may also be exposed to electrical hazards.
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