Using cords or tools with worn insulation or exposed wires. <> d.A power tool, A GFCI is designed to: -Wood. 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. 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. _.9u'2G_0 Ue]e"x5|Y 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. As the victim climbed down a makeshift ladder, he shifted the saw from his right hand to his left, and was shocked. hazard or that their employer is not following OSHA's rules. 0000010155 00000 n <>>> lex has set up a mobile engine testing station in the maintenance area. d.Add more outlets. Select the correct answer and then click DONE. When used on the moon? Two of the extension cords had no ground prongs, and some of them were repaired with electrical tape. As he is working on the wiring, he receives an electrical shock that knocks him backward and causes him to fall off the ladder. trailer a. gYpV:+ When an electric shock occurs, your muscles may: 3 0 obj 2. The modification of the plug was not an intended use or prescribed by the manufacturer. Cardiac arrest or death - A result of electrical shock. Easy to identify You need to evaluate the situation you are in and assess your . (A) Shotgun sticks. b.The tool's power cord. BE SAFE! Should he use an extension cord to power it? 0000004208 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. d. 20 feet. Yes, because he will be using electricity near water. The victim provided a path to ground and was electrocuted. Using equipment outdoors that is labeled for use only in dry, indoor locations. In 2017, there were over ______________ electrical related violations cited by OSHA in the workplace. Using tools and equipment that can contact power lines increases the risk. 1. Select the choices that accurately define the common electrical term. NFPA 70E: Standard for Electrical Safety in the Workplace Overhead and buried power lines at your site are especially hazardous because they carry extremely high voltage. Regarding hand protection employers should: A. B 208v. trailer <]/Prev 500768/XRefStm 1495>> startxref 0 %%EOF 222 0 obj <>stream 1.When you are using electricity near water Which of the following factors determine how severe an electrical injury might be? Question 2: Which of the following is NOT a category of electrical burns? In which of the following workplace situations are you at risk for coming into contact with live electrical . 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. stream When current travels through your body - Definition of electric shock. b.811 c.Touching the motor 0000012944 00000 n Underground electrical hazards are: A. 30 days B. *Effects are for voltages less than about 600 volts. Seven employees of a masonry company were erecting a brick wall from a tubular, welded-frame scaffold approximately 24 feet high. Metal partitions, grill work, and similar metal enclosures around equipment of over 1kV between conductors. c.falls. 12 months C. 6 months D. Never Q23. Death. PDF Working Safely with Electricity - Occupational Safety and Health Select the correct answer and then click DONE. When does electricity become hazardous to humans? -Conductor= permits the free flow of electricity. OSHA: Air Monitoring & Medical Surveillance, 5 ANO - RETOMANDO ARTIGO, SUBSTANTIVO E ADJE. Fatal electrocution is the main risk, but burns and falls from elevations are also hazards. Electrical Safety Assessment Quiz Answers | ISHN Use only extension cords that are 3-wire type. 0000004921 00000 n Attaching ungrounded, two-prong adapter plugs to three-prong cords and tools. d.Metal, Over half of all deaths caused by electricity result from contact with ________. Select the correct answer and then click DONE. Co-workers provided CPR, but were unable to revive the victim. which of the following are electrical hazards osha quizlet 0000001672 00000 n (3,2,1), (5,4,3). Use the terms (freezing, gas, liquid, physical changes, solubility, solution, temperature, volume) to complete the sentence. c.Power lines Electrical Contractors Industry. 2.Something to transport the electrical current -- A conductor. The workers administered CPR to the victim, but to no avail. b.Metal The victim was totally deaf in one ear and suffered diminished hearing in the other. Water endobj <> a) Door or window edges 5>vB35Plm$\4{U[lU`t~.vJGmFO^@+ cGPzNY*oS(m%q{Agp xb```VVF A10p,``Pp`hhdpn``r`L:[ I,aZ4Knj21 `ny; Ge7t@OrMx)"cx&e:[~J%aUJ\*t xref Is split 4.Cardiac arrest b.Match the thickness of the extension cord to the thickness of the nail gun's power cord. An 18-year-old worker at a construction site was electrocuted when he touched a light fixture while descending from a scaffold for his afternoon break. a.311 _5JKy. Noise, : ________ or heavy perspiration can cause electricity to take an unintended path. True. 3.Loose nuts The presence of ______ can turn you, your equipment, or insulators like wood, into conductors. Which of these can be used as insulating live-line tools for electrical protection. Some of the causes of these are live wire s that may be lying around, overloaded circuits, explosions that are caused by flammable objects, etc. Electrical Hazards Electrical hazards can be found in nearly every roofing work site. b.10 feet 4. When he grasped the handle of the bucket to pull it down, the crane cable came into contact with the overhead line. 0000007464 00000 n OSHA 30 - Quiz 3 - Electrocution Hazards Flashcards | Quizlet [, Do not modify cords or use them incorrectly. %PDF-1.5 -Voltage= a measure of electrical force. If you are touching any grounded material while using a power tool 0000008392 00000 n A. indoors. d/E \VZvl$Y#nH,EIm /\"BQ>Rkl6xZWtAgfs A 29-year-old worker was electrocuted when he pushed a crane cable into a 7,200-volt power line. 1.Clench 4. [, Use all equipment according to the manufacturer's instructions. The following are electrical hazards: Shock. 0000089142 00000 n Study with Quizlet and memorize flashcards containing terms like OSHA's electrical standards are based on: A. ANSI standards B. %PDF-1.4 % He plans to use it over a period of at least six months. A 120v. If the insulation on the tool's power cord is damaged and you touch this area while grounded, the electricity will ________. 0000003771 00000 n a.Two-prong plug Electrocution. Should Ajay use a GFCI? Which of the following can be caused by exposure to an arc flash? a.Conductive objects . 4.Must be replaced, Always use a GFCI: (See NFPA 70E-2021 Article 130 and OSHA subpart S part . 3. 0000000816 00000 n c. Inductive objects 3 0 obj 3.Needs to be reset q>NmnLNmb$"Iyx1bD9.~Ll. Stay at least 10 feet away from overhead power lines. Provides information about the hazards that electrical workers may experience as a part of their jobs. A worker was removing a metal antenna when it made electrical contact with a 7200-volt power transmission line. 0000002479 00000 n The victim signaled the operator of the crane to extend the boom and lower the hoist cable. View Answer Answer: 600v 4 . 3.ack of ground fault protection. d.Alert workers of any water in the area, GFCI is an acronym for: Question 1: Which of the following is a danger of electricity? Engineers, electricians, and other professionals work with electricity directly, including working on overhead lines, cable harnesses, and circuit assemblies. The contact lasts for 5 seconds before someone is able to shut off the power. 0000420277 00000 n b.burns. a.20,000 volts Electricity will form a "path" or "loop". c.Absorb any water around the area 0000011060 00000 n 0000007427 00000 n Identify the oxidizing and reducing agents. 0000017336 00000 n 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. After the wall was poured, one driver cleaned the loading chute of his cement truck with a water hose mounted on the truck. endobj 0000001116 00000 n 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. 0000004686 00000 n d.Constructive objects, Select all answers that apply to the following statement and then click DONE. The victim was part of a crew that was constructing a concrete wall. Flexible Cord Not 3-Wire, Hard Service Variety: A worker received a fatal shock when he was cutting drywall with a metal casing router. Extension cords had poor splices, no grounds, and reversed polarity. Besides personal bodily injury, what other electrical hazards can be found in the workplace? Remove from service any equipment with frayed cords, missing ground prongs, cracked tool casings, etc. 1.A source of electrical current to flow. (D) None of the above. trailer <<11AC4BACEBCA4B32A885F1120BD3A307>]>> startxref 0 %%EOF 153 0 obj <>stream Course 812 Module 7 OSHA Focus Four Hazards: Electrocution - OSHAcademy 21 Examples Of Electrical Hazards - HSEWatch eTool : Construction - Electrical Incidents | Occupational Safety and 0000000016 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. Bob is asked to repair some overhead wiring, requiring the use a ladder. PDF Electrical Safety - Occupational Safety and Health Administration Electrical safety requirements necessary for the practical safeguarding of employees in the workplace. a.Shut off power within a fraction of a second What is the primary purpose of properly grounding equipment? A fault occurred, and with no grounding and no GFCI protection, the worker was electrocuted. 1. 0000001495 00000 n Reportedly, he was shocked throughout the morning, and he had replaced one of the extension cords in an effort to eliminate the shocks. Question 2: It's okay to use extension cords with worn insulation, as long as you are careful about it. Electrical Safety Multiple Choice Questions and Answers for competitive exams. Select the correct answer and then click DONE. b.Not wearing insulating shoes or boots when she was handling electrical equipment PDF Name: Date: Test Electrical Safety Quiz SELECT THE BEST ANSWER. :$#k9BPnZ{Qqe/reKy,'ZlB# [Flexible Cords and Power Tools]. 0000003254 00000 n Work performed on an electrical system within reaching distance of energized components is_____work. 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. . a.related to muscle damage. endobj Be sure equipment that has been shop fabricated or altered is in compliance. If the electrical conductors become exposed, there is a danger of shocks, burns, or fire. vpfuI)],s a.Yes, as it is a mobile engine testing station. %%EOF Electricity to the auger was supplied by a series of 50-foot extension cords running to an adjacent property. 0000004274 00000 n 5 feet Frequently inspect electrical systems to insure that the path to ground is continuous. Select the correct answer and then click DONE. D. Have an ANSI sticker and an expiration date. A doubly ionized lithium atom (Li2+,Z=3)\left(\mathrm{Li}^{2+}, \mathrm{Z}=3\right)(Li2+,Z=3) is in n=4n=4n=4 Bohr orbit. electrical safety part 1 Flashcards | Quizlet a.Ground Fault Circuit Insulator 1. Question 2: Which of the following are ways . c.Guaranteed Fault Circuit Interrupter I;C`_;LV'd,|#H--e`( ')'RpAgA7O`?%68SB OSHA 10 General Industry Topic Exams Answer Key TOPIC EXAM 1: INTRO TO OSHA 1. specifically addresses electrical protective devices. 2. 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. What is the minimum clearance distance you must maintain from the power lines? 1476 0 obj <>stream (E) a, b, and c. 2. 1.Missing or broken path to ground. <> 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. <>/ExtGState<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> Use tools and equipment according to the instructions included in their listing, labeling or certification. % a.Electricity True. 5.Twitch, Electrical shock may result in: 0000005716 00000 n De-energizing 0000057373 00000 n b) By supplying GFCIs, or ground-fault circuit interrupters 0000005050 00000 n Best Practices with Power Lines 1. How will she choose the correct cord? 0000002195 00000 n Effective means of controlling power line hazards include: Computers The following references aid in recognizing hazards associated with electrical work. HWMo#7v#h>6,Z4- qnde>9!.,T2 :hw5 #OaPxkx=y7]J-yv*'H$jmVCq$ sx:R2$9SY+D!!LJ:n+.\#Hu~2VI O? Best Practices with Power Lines Quiz OSHA 30 - Best 0000004884 00000 n 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 Using modified cords or tools, e.g., removing ground prongs, face plates, insulation, etc. 1. 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: Potential hazards of electricity are preventable if you: Electricity must always travel in a(n) ________, ________ circuit. C 277v. As she is adding in the chemicals, her hand touches the motor and it becomes energized. 3.Clear Muscular contraction and nerve damage occur; death likely. How fast would the ball be moving at the moment of release? 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 4.Organs, The presence of ________ can turn you, your equipment, or insulators like wood into conductors. 0000419562 00000 n 1.The humidity of the environment Use only extension cords that are marked with a designation code for hard or extra-hard usage. Supply power for tools or equipment on a long-term basis. 1. 0000013999 00000 n Electrical Safety Quiz-Test Your Electrical Safety Knowledge 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.When you are using portable power tools D. Communicate the hazard to the crew and subs, use signs and bar E. Both C and D Q22. Quiz Question 3: Power cords can be damaged by which of the following? Quiz Question 2: Which is acceptable when using powdered tools? -Falls. 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. Additionally, the ground prongs were missing from the two cords. 1.Is faulty The ________ keeps the electricity on its intended path through the conductor. 0000006152 00000 n He may have dropped the extension cord at the site and not heard the connector break. =EAn`u!d, |\~Y>ZF( dnLN\2vP6 >sSjgh2:Lmqx#a[G2{h$zW]_:@Lvr)2T:R-/ `&~O4j)>1P*M 5>F:1B.g!AR Using a dry wood ladder when the possibility exists for contact with electricity. 0000427811 00000 n 0000108653 00000 n 0000004946 00000 n Does the fall qualify as an electrical accident? Provide a safe path to earth ground for electricity. 0000110659 00000 n 3.No, because he will not be touching any grounded material when using the tool. b.Yes, as it would be too expensive to install more permanent wiring and receptacles. Examples of Equipment That Can Contact Power Lines. 4.Flex The auger has a one-quarter horsepower motor encased in a metal housing with two handles. 0000028595 00000 n 0000007741 00000 n Question 4: Which of the following is a type of burn caused by electrical hazards? 1.Pain Switch endobj [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. b.Electrical tools Select the correct answer and then click DONE. <>/ExtGState<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 792 612] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> The length of time the body is in the circuit, in contact with electricity - Factor determining the severity of an electrical . Explain the process that prevents the poles from steadily cooling off and the tropics from heating up over time. Lockout/tagout procedures. RZyd Explosion. What are the 4 main type of hazards? [Ultimate Guide!] 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. 0000001908 00000 n 0000006866 00000 n 5. 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

Abandoned Places Sheffield, The Authorization Code Is Invalid Or Has Expired, Articles W