which of the following are electrical hazards osha quizlet

She has an older drill with a steel housing and a 3-prong plug. Muscular contraction and nerve damage occur; death likely. endobj d. No, because an extension cord would not provide enough power. Electric current cannot exist without an unbroken path to and from the conductor. Additional minimum clearance distance is required for power lines carrying over ________. <>/ExtGState<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 792 612] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> Death. 3.Maintaining a safe distance of at least 10 feet from all overhead power lines. Underground electrical hazards are: A. Fire PDF Name: Date: Test Electrical Safety Quiz SELECT THE BEST ANSWER. As he is working on the wiring, he receives an electrical shock that knocks him backward and causes him to fall off the ladder. Question 1: Which of the following is a danger of electricity? The pole had not been inspected by the city and was not in compliance with code requirements (it was not grounded). Select the correct answer and then click DONE. Use only extension cords that are marked with a designation code for hard or extra-hard usage. Which of the following can be caused by exposure to an arc flash? 0000022637 00000 n The auger then fell across the other worker, the 24-year-old victim. Use the terms (freezing, gas, liquid, physical changes, solubility, solution, temperature, volume) to complete the sentence. 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. What are the 4 main type of hazards? [Ultimate Guide!] The insulation on the extension cord was cut through and exposed bare, energized conductors which made contact with the ladder. 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. Explain the purpose and use of the MyPlate symbol. Isolating, Power lines may be located underground. eTool : Construction - Electrical Incidents | Occupational Safety and 2.Using extension cords or electrical tools properly. |tYny@YE>LkNj4-czZf"Usw>j\sv3fn},>},KeA s The workers administered CPR to the victim, but to no avail. Suppose you could convert the 525525525 Calories in the cheeseburger you ate for lunch into mechanical energy with 100%100 \%100% efficiency and you throw a 0.145kg0.145~\mathrm{kg}0.145kg baseball with the energy contained in the cheeseburger. b.Match the thickness of the extension cord to the thickness of the nail gun's power cord. The most dangerous place to use electrical equipment is? 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 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. Electrical Safety Assessment Quiz Answers | ISHN 0000002557 00000 n c.Three-prong plug 4. 2. 4 0 obj Seven employees of a masonry company were erecting a brick wall from a tubular, welded-frame scaffold approximately 24 feet high. 1 0 obj De-energizing Which of the following injuries can occur when muscles flex or twitch from an electrical shock? c. Inductive objects 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. %PDF-1.4 % You should? trailer <]/Prev 500768/XRefStm 1495>> startxref 0 %%EOF 222 0 obj <>stream NFPA 70E: Standard for Electrical Safety in the Workplace 2. 1.Extension cords a.Ground Fault Circuit Insulator 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. Remove from service any equipment with frayed cords, missing ground prongs, cracked tool casings, etc. % 4.Combustible dust, Fundamentals of Engineering Economic Analysis, David Besanko, Mark Shanley, Scott Schaefer. 2. The workers had removed their shirts and were sweating. Use non-conductive wood or fiberglass ladders when working near power lines. <>/ExtGState<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> 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). Call ________ prior to digging to be connected with your local One Call Center to have all underground lines located by the utility company. Electricity to operate portable power tools was supplied by a temporary service pole 50 feet away. When used on the moon? [Flexible Cords and Power Tools]. PDF C. 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. <>>> Introduction To Osha Quiz Answers1) Which of the following activities d.The body of the power tool. Using multi-receptacle boxes designed to be. 4. 0000014257 00000 n To avoid injury or death, you must understand and recognize hazards. No GFCI's were used. The source of the shocks -- the saw -- was not replaced. 5.Twitch, Electrical shock may result in: Using cords or tools with worn insulation or exposed wires. OSHA 30 Construction Final Test Answer Key - Studylib How fast would the ball be moving at the moment of release? 1. 15,000 milliamps (15 amps) Lowest overcurrent at which a typical fuse or circuit breaker opens a circuit! PDF Working Safely with Electricity - Occupational Safety and Health a) Door or window edges 0000001731 00000 n Quiz Question 2: Which is acceptable when using powdered tools? Is split a.Your thumb. <<7628BB2D46738F42B2FC6393656F4718>]>> Select the correct answer and then click DONE. OSHA 10 - Exit Routes, Emergency Action Plans, The Analysis and Design of Linear Circuits, Albert J. Rosa, Gregory J. Toussaint, Roland E. Thomas. 1.Cuts lb MKS Which of the following part of you body can burn if you come in contact with electricity? 4,600. 2.Grease 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? 0000002403 00000 n Before using the equipment, be sure that the ground wire: It's okay to use extension cords with worn insulation, as . 0000089142 00000 n Attaching ungrounded, two-prong adapter plugs to three-prong cords and tools. Carly needs to use an extension cord with her corded nail gun. 0000001908 00000 n b) Staples 1. %PDF-1.5 3.ack of ground fault protection. 0000057373 00000 n endobj 0000422244 00000 n qnde>9!.,T2 :hw5 #OaPxkx=y7]J-yv*'H$jmVCq$ sx:R2$9SY+D!!LJ:n+.\#Hu~2VI O? Electrocution was the second leading cause of worker deaths on construction sites in the United States in 2011. How will she choose the correct cord? Computers Question 4: Which of the following is a type of burn caused by electrical hazards? Extension cords are used to: Of the following choices, which are frequent electrical hazards Exercise their rights under the law without retaliation, including reporting an injury or raising health and safety concerns with their employer or OSHA. 3.Body tissue a.Shut off power within a fraction of a second 0000003603 00000 n 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. -Falls. a.A small current The victim was part of a crew that was constructing a concrete wall. Electrical safety requirements necessary for the practical safeguarding of employees in the workplace. b. Deductive objects 0000021516 00000 n -Damage to internal organs. As the victim climbed down a makeshift ladder, he shifted the saw from his right hand to his left, and was shocked. Check your employee's electrical safety knowledge through an electrical safety quiz. When does electricity become hazardous to humans? %PDF-1.5 What is the minimum clearance distance you must maintain from the power lines? 128 0 obj <> endobj xref 128 26 0000000016 00000 n c.Touching the motor Select the correct answer and then click DONE. 0000004884 00000 n Electrical safety quiz answers are given below. 0000414648 00000 n In which of the following workplace situations are you at risk for coming into contact with live electrical . Quiz Question 1: Which of the following is not a category of electrical burns? a. One hand drill was not grounded, and the other had no safety plate. 3.Cramp d.Adapter, What is a GFCI? Wearing a baseball cap a.related to muscle damage. Using modified cords or tools, e.g., removing ground prongs, face plates, insulation, etc. Select the choices that accurately define the common electrical term. 2.Placed along a wall. 0 4.No, because he does not need to use an extension cord. 0000002386 00000 n 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. 4 0 obj 4.Flex Cardiac arrest or death - A result of electrical shock. [, Do not modify cords or use them incorrectly. OSHA 29 CFR 1910.147 . d.A power tool, A GFCI is designed to: d.50,000 volts. b.Rod 0000028595 00000 n @*@;z}IAH@3MsgU1Dnf@agLahpCn@&b|-^;b0k*!3VYy,jy%( Z%|\Jg"dRp-Wbz3QJS%k9p_WtZ 0000421627 00000 n Quiz: Electrical Hazards. 0000004208 00000 n 0000001116 00000 n OSHA: Common Electrical Hazards Flashcards | Quizlet [, Use all equipment according to the manufacturer's instructions. Quiz Question 9: Conductor insulation must be approved for the ___________ of use? One worker, holding the deadman's switch, received a shock from a ground fault in the auger and was knocked back from the machine. trailer <<11AC4BACEBCA4B32A885F1120BD3A307>]>> startxref 0 %%EOF 153 0 obj <>stream 21 Examples Of Electrical Hazards - HSEWatch Study with Quizlet and memorize flashcards containing terms like Bob is asked to repair some overhead wiring, requiring the use a ladder. A measure of the energy of motion of the particles in a substance is its _____. 0000421920 00000 n 5 feet OSHA 30 - Module 12: Electrical Safety Flashcards | Quizlet Supply power for tools or equipment on a long-term basis. b.Electrical tools Course 812 Module 7 OSHA Focus Four Hazards: Electrocution - OSHAcademy 1452 0 obj <> endobj This is action is also known as creating or completing an electrical circuit. Select the correct answer and then click DONE. Electricity must follow an uninterrupted loop from the power source to the equipment and back to the power source or ________. c.falls. Use only extension cords that are 3-wire type. <> 0000006893 00000 n Select the correct answer and then click DONE. If you are touching any grounded material while using a power tool 0000015549 00000 n De-energize and ground lines when working near them. 0000005050 00000 n When an electric shock occurs, your muscles may: 30 days B. . The normal wear and tear on extension and flexible cords at your site can loosen or expose wires, creating hazardous conditions. 0000007427 00000 n a.20,000 volts Get resources on specific hazards and their control, including identification, risk assessment and inspections, to keep your workplace healthy and safe. Question 3: A/an ____________ is a unit of measurement for electrical resistance. B. stream 3. 0000001896 00000 n What is the primary purpose of properly grounding equipment? 4.Running through doorways. 2.Something to transport the electrical current -- A conductor. hb``b``=p0X8n0lY0L#rK[V26h* @0H!XDl+!&FfUfo`h6l Know glove capability VS hazard anticipated (exposure to chemicals, heat, or flames). -Glass. This caused him to fall from the ladder and land in a puddle of water, still holding the saw. Select the correct answer and then click DONE. 0000001861 00000 n 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. Co-workers provided CPR, but were unable to revive the victim. Is not broken, Question Text: Electrical tools should be grounded with a(n)________. gYpV:+ a.Conductive objects Electrical Safety Quiz-Test Your Electrical Safety Knowledge Question 2: It's okay to use extension cords with worn insulation, as long as you are careful about it. Determine duration, frequency, degree of exposure to hazards and physical stress. Among all of the safety measures that can and should be used to prevent electrical shock, which one is the most essential? b.A fast-acting switch monitoring current flow [. OSHA will keep all identities confidential. The victim collapsed into the lake and sank 4-1/2 feet to the bottom. Used across walkways. 3. Suppose a volcano threw so much ash into the air that it blocked much of the sunlight. It is important to note that NFPA 70E is a . Continually audit cords on-site. b+t6W' te+.W_{8u7Dt@1c. Select the correct answer and then click DONE. 3. Does the fall qualify as an electrical accident? Effective means of controlling power line hazards include: Using the wrong light bulb wattage; Overloading power strips and outlets; Unprotected electrical outlets; Poor wiring; Defective electrical wires 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. 0000002150 00000 n Stay at least 10 feet away from overhead power lines. 3.Vapor 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. The ________ keeps the electricity on its intended path through the conductor. High humidity Be sure equipment that has been shop fabricated or altered is in compliance.

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