which of the following are electrical hazards osha quizlet

2.Loose screws d.Adapter, What is a GFCI? An examination revealed that the spring, cover plate, and part of the melamine casing were missing from the face of the female connector (the spring and some melamine fragments were found at the accident site). a. xYmo -ER/&@[D,_! 0000008392 00000 n The normal wear and tear on extension and flexible cords at your site can loosen or expose wires, creating hazardous conditions. Potential hazards of electricity are preventable if you do which of the following listed below? 0000421920 00000 n a.Yes, as it is a mobile engine testing station. Electricity becomes hazardous when it takes an unintended path to complete the ________. 0000017336 00000 n Question 3: A/an ____________ is a unit of measurement for electrical resistance. Provides information about the hazards that electrical workers may experience as a part of their jobs. Which of the following are electrical hazards? - Brainly.com Electrical current travels through insulated ________. [, Do not modify cords or use them incorrectly. Which of the following factors determine how severe an electrical injury might be? Electrical hazards expose workers to the following: Burns: Three types; electrical, arc flash, or thermal contact. a.Ground Fault Circuit Insulator 2. OSHA 10 General Industry Topic Exams Answer Key TOPIC EXAM 1: INTRO TO OSHA 1. 0000005406 00000 n Quiz Question 10: Ground-fault circuit interrupters must be used for all of the following except? D. near other electrical equipment. 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. a.20,000 volts NFPA 70E: Standard for Electrical Safety in the Workplace xb```VVF A10p,``Pp`hhdpn``r`L:[ I,aZ4Knj21 `ny; Ge7t@OrMx)"cx&e:[~J%aUJ\*t She finds several available in the shop. The floor is covered in water and she is barefoot. Attaching ungrounded, two-prong adapter plugs to three-prong cords and tools. OSHA requires the testing of a volt meter after a voltage test on voltage above_____. Ground all power supply systems, electrical circuits, and electrical equipment. Question 1: Which of these is a type of Ground Fault Circuit Adapter? !DP#vr-\DM<6V-2'I5l6)Z@^m=}c3-aUOo6rr V-Y3d6HABmjD $TQCvK*eg&|Y596#H\ hb``b``=p0X8n0lY0L#rK[V26h* @0H!XDl+!&FfUfo`h6l 0000421627 00000 n Question 2: Which of the following are ways employers must protect their employees on the workplace? Bob is asked to repair some overhead wiring, requiring the use a ladder. 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 c.Wood 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 most dangerous place to use electrical equipment is? % 5 feet c.Absorb any water around the area Becoming part of the circuit exposes you to ________, the most dangerous electrical hazard. b.30,000 volts b.Yes, as it would be too expensive to install more permanent wiring and receptacles. Quiz Question 4: Which is a preventive measure to prevent hazards while working with power lines? Effective means of controlling power line hazards include: lex has set up a mobile engine testing station in the maintenance area. . 0000004686 00000 n 0000108653 00000 n 0000015549 00000 n Flexible Cord Not 3-Wire, Hard Service Variety: A worker received a fatal shock when he was cutting drywall with a metal casing router. 0000021516 00000 n d.50,000 volts. a.Yes, because the electrical shock caused the fall. Provide a safe path to earth ground for electricity. The pole had not been inspected by the city and was not in compliance with code requirements (it was not grounded). d.A power tool, A GFCI is designed to: 0000012944 00000 n . Extension cords are used to: The workers had removed their shirts and were sweating. Select the correct answer and then click DONE. 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. You should? b.burns. 0000006893 00000 n -Voltage= a measure of electrical force. Is not painted over 3.Loss of eyesight One worker, holding the deadman's switch, received a shock from a ground fault in the auger and was knocked back from the machine. 0000004884 00000 n Wearing a baseball cap 0000013999 00000 n %PDF-1.4 % Should he use an extension cord to power it? (E) a, b, and c. 2. qnde>9!.,T2 :hw5 #OaPxkx=y7]J-yv*'H$jmVCq$ sx:R2$9SY+D!!LJ:n+.\#Hu~2VI O? PDF ODULE 1 INTRODUCTION TO E SAFETY - Occupational Safety and Health c.15 feet Visually inspect all electrical equipment before use. Reportedly, he was shocked throughout the morning, and he had replaced one of the extension cords in an effort to eliminate the shocks. 0000001604 00000 n using a 30-amp breaker in a system with 15- or 20-amp receptacles. Freeze 1.The humidity of the environment Course 812 Module 7 OSHA Focus Four Hazards: Electrocution - OSHAcademy Others, such as office workers and sales people, work with electricity indirectly and may also be exposed to electrical hazards. When an electric shock occurs, your muscles may: C 277v. Electrical safety quiz answers are given below. The auger has a one-quarter horsepower motor encased in a metal housing with two handles. 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. a.311 -Severe skin burns. Identify the oxidizing and reducing agents. h|UnH}+i-. 0000005050 00000 n What do tripped circuit breakers and blown fuses indicate? 1. a. 0000005632 00000 n 1452 0 obj <> endobj Improper Use of Extension and Flexible Cords. s\A0W+ OSHA 10-Hour Safety Course - Electrical Safety Page 5 of 5 Use the three-stage safety model to stay safe: recognize, evaluate, and control hazards. OSHA: Electrical Hazards Flashcards | Quizlet c) Age Best Practices with Power Lines Quiz OSHA 30 - Best hbb``b``3N0  endstream endobj 183 0 obj <>/Metadata 28 0 R/Names 184 0 R/Outlines 23 0 R/Pages 27 0 R/StructTreeRoot 30 0 R/Type/Catalog/ViewerPreferences<>>> endobj 184 0 obj <> endobj 185 0 obj <>/ExtGState<>/Font<>/ProcSet[/PDF/Text]/Properties<>>>/Rotate 0/StructParents 0/TrimBox[0.0 0.0 612.0 792.0]/Type/Page>> endobj 186 0 obj <> endobj 187 0 obj <> endobj 188 0 obj <>stream <>>> b.Yes, because Bob was on . Electrical safety requirements necessary for the practical safeguarding of employees in the workplace. 3.No, because he will not be touching any grounded material when using the tool. 3.Vapor PDF SAFETY HAZARDS: These are the most PHYSICAL HAZARDS: CHEMICAL HAZARDS Yes, because he will be using electricity near water. Visually inspect all electrical equipment before use. B 208v. Electricity must follow an uninterrupted loop from the power source to the equipment and back to the power source or ________. 0000000816 00000 n A worker was removing a metal antenna when it made electrical contact with a 7200-volt power transmission line. Unless you know otherwise, assume that overhead lines are energized. Study with Quizlet and memorize flashcards containing terms like Bob is asked to repair some overhead wiring, requiring the use a ladder. Looking for NFPA 70E Certification? 0000013716 00000 n SECTION #4 | Participant Guide 2 Electrical Safety mELECTRICAL SAFETYm mACTIVITY 1 - GROUNDINGm In your small group, read fact sheets A and B, and the following scenario. 0000005734 00000 n Question 1: Which of the following is a danger of electricity? 0000007464 00000 n 1.Extension cords Ground all exposed metal parts of equipment. c.Guaranteed Fault Circuit Interrupter 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. PDF OSHA Safety - Electrical Safety - Red Vector In which of the following workplace situations are you at risk for coming into contact with live electrical . If the electrical conductors become exposed, there is a danger of shocks, burns, or fire. Many workers are unaware of the potential electrical hazards present in their work environment, which makes them more vulnerable to the danger of electrocution. The individual's perspiration-soaked clothing/body contacted bare exposed conductors on one of the cords, causing an electrocution. 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. 1.Cuts OSHA Safety and Health Topics Page. A. wrap tape around the damaged spot to prevent electrical shocks. gYpV:+ 4.Dirt build-up, Use only approved and authorized power tools in areas where the following hazards may be present: 3. Which of the following can be caused by exposure to an arc flash? Electricity will form a "path" or "loop". Remove from service any equipment with frayed cords, missing ground prongs, cracked tool casings, etc. 4.Organs, The presence of ________ can turn you, your equipment, or insulators like wood into conductors. 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. 0000002557 00000 n 0000024814 00000 n Death. 0000004921 00000 n Then answer the questions below. Use only extension cords that are marked with a designation code for hard or extra-hard usage. BE SAFE! Question 4: Which of the following is a type of burn caused by electrical hazards? d.The body of the power tool. Select the correct answer and then click DONE. Use only extension cords that are 3-wire type. Draw a line from the item on the left that corresponds to the match on the right. Do not remove ground prongs from cord- and plug-connected equipment or extension cords. b. Frequently inspect electrical systems to insure that the path to ground is continuous. 0000001116 00000 n d) All of the above. 2.Using extension cords or electrical tools properly. =EAn`u!d, |\~Y>ZF( dnLN\2vP6 >sSjgh2:Lmqx#a[G2{h$zW]_:@Lvr)2T:R-/ `&~O4j)>1P*M 5>F:1B.g!AR Fatal electrocution is the main risk, but burns and falls from elevations are also hazards. 0000002386 00000 n Additionally, the ground prong was missing and there was no GFCI protection. 1,[-c|"&u[Fu>wjte8j:xRk )"m_!6awT J,byp?fRBf?p|b3/Um\7"|+@5vvWAa5J^y*q,l b)Ftt4 :4,-J`! 10,000 milliamps (10 amps) Cardiac arrest and severe burns occur. Two of the extension cords had no ground prongs, and some of them were repaired with electrical tape. Is not broken, Question Text: Electrical tools should be grounded with a(n)________. What is the minimum clearance distance you must maintain from the power lines? The victim collapsed into the lake and sank 4-1/2 feet to the bottom. 0000001908 00000 n Easy to identify [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. 4. When the energized conductor made contact with the ladder, the path to ground included the worker's body, resulting in death. 4.The amount of current, An electrical burn may affect: b. d) All of the above. 0000003900 00000 n 0000002150 00000 n Overhead and buried power lines at your site are especially hazardous because they carry extremely high voltage. The following are electrical hazards: Shock. 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. -Damage to internal organs. 1.Fingernails ( A Safety Electrical One Line Diagram should be used to _____ all sources of electrical energy. 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 The presence of ______ can turn you, your equipment, or insulators like wood, into conductors. <> True. -Rubber. 4. Electrical hazards are life threatening incidents that could happen due to electricity. What factors determine the severity of Dirk's injuries? 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. hazard or that their employer is not following OSHA's rules. Best practices with power lines include: 0000001672 00000 n OSHA-10: Avoiding Electrocution Hazards Flashcards | Quizlet 0000018681 00000 n Overview. 1476 0 obj <>stream Which of the following part of you body can burn if you come in contact with electricity? The power switch on the welder was already in the "on" position, and the female end of the extension cord, which was spring loaded, had apparently been dropped and broken. Select the correct answer and then click DONE. Quiz Question 7: Which is not an insulator? 3. Additionally, the ground prongs were missing from the two cords. Post warning signs. d.Water, Other electrical hazards in the workplace include: 1.Is firmly connected 0000002385 00000 n PDF Name: Date: Test Electrical Safety Quiz SELECT THE BEST ANSWER. 2.Is working properly 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$]r**-I!o66PqK.z "*D c.Gasoline 1.Pain Using modified cords or tools, e.g., removing ground prongs, face plates, insulation, etc. 0000011060 00000 n trailer <]/Prev 500768/XRefStm 1495>> startxref 0 %%EOF 222 0 obj <>stream Some of the causes of these are live wire s that may be lying around, overloaded circuits, explosions that are caused by flammable objects, etc. Remove cords from receptacles by pulling on the plugs, not the cords. 2.Complete Of the following choices, which are frequent electrical hazards What is the most common, non-fatal, electrical shock-related injury? 4.Combustible dust, Fundamentals of Engineering Economic Analysis, David Besanko, Mark Shanley, Scott Schaefer. Dirk, a 28-year-old mechanic, is performing maintenance on a piece of equipment when he is shocked. H\n@0vj@/R#tnvihavopnS1>v8Z6zLpOCRU.O^6pImjgk{xv6%zp\,{|7_WqNfhu09$U?kW}: }y}]OIL5~W*8D~%W-yww;sORYbfspA.%YJV L%=Kx&0W+ 182 0 obj <> endobj xref 182 41 0000000016 00000 n a.Two-prong plug Even when the power system is properly grounded, electrical equipment can instantly change from safe to hazardous because of extreme conditions and rough treatment. 4.Must be replaced, Always use a GFCI: Arc Flash. The insulation on the extension cord was cut through and exposed bare, energized conductors which made contact with the ladder. 0000028595 00000 n Electrical Safety Quiz-Test Your Electrical Safety Knowledge 1) The _____ created the Occupational Safety and Health Administration (OSHA) to set and enforce protective workplace safety and health standards. -Conductor= permits the free flow of electricity. d.Constructive objects, Select all answers that apply to the following statement and then click DONE. b.Not wearing insulating shoes or boots when she was handling electrical equipment Electrical Safety Multiple Choice Questions and Answers for competitive exams. 0000003413 00000 n 0000110659 00000 n Know glove capability VS hazard anticipated (exposure to chemicals, heat, or flames). Equipment used in manner prescribed. (b) The same reaction can also be classified as a redox reaction. Death is probable. *Effects are for voltages less than about 600 volts. To avoid injury or death, you must understand and recognize hazards. 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 Apparently, his hand contracted and he was "locked" to the saw. -Current= the movement of electrical charge. 21 Examples Of Electrical Hazards - HSEWatch Quiz: Electrical Hazards. Working with electricity can be dangerous. 1. Using the wrong light bulb wattage; Overloading power strips and outlets; Unprotected electrical outlets; Poor wiring; Defective electrical wires 1. Select the choices that accurately define the common electrical term. c. Extend the reach of the power tool. 4. De-energizing D. Communicate the hazard to the crew and subs, use signs and bar E. Both C and D Q22. 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. 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.

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