which of the following are electrical hazards osha quizlet which of the following are electrical hazards osha quizlet

-Glass. %PDF-1.4 % Examples Of Electrical Hazards. 4.Flex If the electrical conductors become exposed, there is a danger of shocks, burns, or fire. Select the correct answer and then click DONE. 0000005716 00000 n Wearing a baseball cap 0000004965 00000 n 2.Loose bolts d.50,000 volts. When the energized conductor made contact with the ladder, the path to ground included the worker's body, resulting in death. d.Ground Fault Circuit Interrupter, : Another electrical hazard that can cause injury or death in the workplace is a ________ path to ground. 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. 128 0 obj <> endobj xref 128 26 0000000016 00000 n 0000068035 00000 n The small electrical current enters his body through his left leg. True. [29 CFR 1926.416(a)(1)]. b.A fast-acting switch monitoring current flow trailer <<11AC4BACEBCA4B32A885F1120BD3A307>]>> startxref 0 %%EOF 153 0 obj <>stream Using equipment outdoors that is labeled for use only in dry, indoor locations. Arc Flash. Switch 0000007741 00000 n 3 0 obj 1. Should he use an extension cord to power it? The normal wear and tear on extension and flexible cords at your site can loosen or expose wires, creating hazardous conditions. Even when the power system is properly grounded, electrical equipment can instantly change from safe to hazardous because of extreme conditions and rough treatment. Select the correct answer and then click DONE. When selecting the right extension cord, a good rule of thumb is to match the thickness of the extension cord to the thickness of: 2. Other protective measures include guarding or insulating the lines. Fire 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. <>>> The auger then fell across the other worker, the 24-year-old victim. Potential hazards of electricity are preventable if you do which of the following listed below? Provides information about the hazards that electrical workers may experience as a part of their jobs. d.Metal, Over half of all deaths caused by electricity result from contact with ________. c.Three-prong plug b) Staples 3. If the insulation on the tool's power cord is damaged and you touch this area while grounded, the electricity will ________. Equipment used in manner prescribed. 4.Must be replaced, Always use a GFCI: 2. Which of these can be used as insulating live-line tools for electrical protection. Using multi-receptacle boxes designed to be. Select the correct answer and then click DONE. 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. Fatal electrocution is the main risk, but burns and falls from elevations are also hazards. 0000010603 00000 n 3.Loose nuts Select the correct answer and then click on DONE. 1. In which of the following workplace situations are you at risk for coming into contact with live electrical . Quiz Question 7: Which is not an insulator? 3. 2.Placed along a wall. 2.Flooding 0000001116 00000 n One hand drill was not grounded, and the other had no safety plate. 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. Electrical Safety Quiz - OSHA.net OSHA Pros, LLC is an authorized provider of 360 Training, an OSHA-Accepted Provider, offering training and certification courses for NFPA 70E-Standard, and 0000420564 00000 n Additionally, the ground prong was missing and there was no GFCI protection. Which of the following part of you body can burn if you come in contact with electricity? Draw a line from the item on the left that corresponds to the match on the right. 5. The individual's perspiration-soaked clothing/body contacted bare exposed conductors on one of the cords, causing an electrocution. gYpV:+ %PDF-1.4 % 4. 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). If a worker has been retaliated against for using their rights, they What three things must be present for a current to flow through a conductor. She finds several available in the shop. 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. b.Metal g]+fn_m{mja_0Y w endstream endobj 189 0 obj <> endobj 190 0 obj <>stream As he is working on the wiring, he receives an electrical shock that knocks him backward and causes him to fall off the ladder. He may have dropped the extension cord at the site and not heard the connector break. 4.Organs, The presence of ________ can turn you, your equipment, or insulators like wood into conductors. 2.Something to transport the electrical current -- A conductor. The victim was totally deaf in one ear and suffered diminished hearing in the other. 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. 0000002150 00000 n Which one of these methods MOST effectively protects machines, tools, and operators against damage from electrical current? 1. Suppose a volcano threw so much ash into the air that it blocked much of the sunlight. 0000055319 00000 n 4 0 obj RZyd Latoya is using a mixing motor to mix pool chemicals in a plastic drum. 0000012360 00000 n The workers had removed their shirts and were sweating. A 56-year-old construction laborer was removing forms from a concrete wall poured several days earlier. 4. a.311 One worker, holding the deadman's switch, received a shock from a ground fault in the auger and was knocked back from the machine. 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. xb```VVF A10p,``Pp`hhdpn``r`L:[ I,aZ4Knj21 `ny; Ge7t@OrMx)"cx&e:[~J%aUJ\*t a.A small current 2.Using an aluminum ladder when the possibility exists for contact with electricity. 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. -Falls. B 208v. Which of the following can be the result of electric shock? Intentionally creating a low-resistance path that connects to the earth. 1.Missing or broken path to ground. Potential hazards of electricity are preventable if you: Electricity must always travel in a(n) ________, ________ circuit. <> lb MKS b+t6W' te+.W_{8u7Dt@1c. 4,600. x=k6S *ywvkDyb_w rg&@Q5/^4O_~w/]7[xqs7Zt?LK-,>W\W`Mb?n8\.vpOJA7~5R%.oJd|Bbv7biQH%^~C=m3_ov{8] }C.Se={o7H[w@/^j BgXRC/O/eiLHiN\4~7x=^J@|]zu"x]lQ-+.xF=oY +B?jSl|(agF_].+UH\!/;AU .cG!h@42 iqnkZtdc#^)AX96(wFZ,RP{[\j\aJgc) diV;BNzZge(}=0Pj Qp@"]yOnNw89 The ground wire was not attached on the male end of the cord's plug. d.Constructive objects, Select all answers that apply to the following statement and then click DONE. b.Yes, as it would be too expensive to install more permanent wiring and receptacles. 0000000016 00000 n How will she choose the correct cord? 0000003715 00000 n The presence of ______ can turn you, your equipment, or insulators like wood, into conductors. Hand-operated metal shifting ropes or cables of electric elevators. CCOHS: Electrical Safety - Basic Information [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. 0000414648 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. A measure of the energy of motion of the particles in a substance is its _____. trailer Which of the following are conductor of electricity? Is not broken, Question Text: Electrical tools should be grounded with a(n)________. Question 4: When a worker receives an electric shock, first aid must start within ___________ minutes. Contact utilities for buried power line locations. stream 0000110659 00000 n d) All of the above. endobj A fault occurred, and with no grounding and no GFCI protection, the worker was electrocuted. c.15 feet 0000001495 00000 n 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 When he grasped the handle of the bucket to pull it down, the crane cable came into contact with the overhead line. Question 1: Each year, approximately __________ workers suffer from electricity related injuries. (3,2,1), (5,4,3). 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 [, Frames and tracks of electrically operated. OSHA CONSTRUCTION FINAL EXAM Question and Answer Part 10. ly/homeo3b700 Which of the following is a resource within the. a.Ground Fault Circuit Insulator 1.Extension cords The length of time the body is in the circuit, in contact with electricity - Factor determining the severity of an electrical . Bob is asked to repair some overhead wiring, requiring the use a ladder. 0000024814 00000 n 0000420887 00000 n 4.Running through doorways. 4.Damaged cover or insulation, When using electric-powered hand tools, do not overload: Freeze 0000004273 00000 n 3.When you are using portable power tools Electrical Safety Quiz Electrical safety is an important topic that you and your workers need to know about. x_HSqnwmky54YLzeStJi# TZObFT*.#BQF/Q 0000017163 00000 n 4.No, because he does not need to use an extension cord. 1.A source of electrical current to flow. Frequently inspect electrical systems to insure that the path to ground is continuous. Select the correct answer and then click DONE. b.811 0000002479 00000 n 1.Missing Electrical safety requirements necessary for the practical safeguarding of employees in the workplace. Which of the following are caused by contact with electricity? OSHA 30 - Quiz 3 - Electrocution Hazards Flashcards | Quizlet a.Electricity a. Gaseous matter 1. <>/ExtGState<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> Visually inspect all electrical equipment before use. OSHA will keep all identities confidential. 0000004884 00000 n What is the most common, non-fatal, electrical shock-related injury? When the victim reached down to connect the choker to the hoist cable, he suddenly collapsed. Carly needs to use an extension cord with her corded nail gun. Quiz Question 3: Power cords can be damaged by which of the following? Take any defective equipment out of service. Select the choices that accurately define the common electrical term. Electrical Hazards - SSOE Group Extension cords are used to: 3. a.20,000 volts b.10 feet 0000419562 00000 n Using circuit breakers or fuses with the wrong rating for over-current protection, e.g. Explosion Study with Quizlet and memorize flashcards containing terms like OSHA's electrical standards are based on: A. ANSI standards B. The source of the shocks -- the saw -- was not replaced. Frames of non-electrically driven elevator cars to which electric conductors are attached. 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. 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. 3.Body tissue Ajay needs to use a dewatering pump to drain standing water on a construction site. 4 0 obj This caused him to fall from the ladder and land in a puddle of water, still holding the saw. 0000001908 00000 n 3. Seven employees of a masonry company were erecting a brick wall from a tubular, welded-frame scaffold approximately 24 feet high. Of the following choices, which are frequent electrical hazards b.Yes, because Bob was on . Use only extension cords that are 3-wire type. Extension cords had poor splices, no grounds, and reversed polarity. c. No, because the electricity is needed on a long-term basis. If you are touching any grounded material while using a power tool 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. 0000018681 00000 n 0000006866 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. Lockout/tagout procedures. 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. Computers Most of the hydrides of Group 1A and Group 2A metals are ionic. d.Alert workers of any water in the area, GFCI is an acronym for: OSHA 29 CFR 1910, Subpart S . Select the correct answer and then click DONE. 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. What are the 4 main type of hazards? [Ultimate Guide!] 0000004274 00000 n Question 2: Which of the following is NOT a category of electrical burns? 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. When inspecting extension cords, look for: <> 3.Tears 2. 0000422244 00000 n d) All of the above. Both the operator and the victim failed to notice that the boom had contacted a 2,400-volt overhead power line. lex has set up a mobile engine testing station in the maintenance area. 2.Is working properly a.Your thumb. D. near other electrical equipment. OSHA 29 CFR 1910, Subpart P . B. Electrical Hazards Electrical hazards can be found in nearly every roofing work site. OSHA: Electrical Hazards Flashcards | Quizlet 0000008392 00000 n 2. PDF Working Safely with Electricity - Occupational Safety and Health 3.ack of ground fault protection. Which of the following are insulators of electricity? 2. Which of the following factors determine how severe an electrical injury might be? Is the west coast of Africa a plate boundary? d. 20 feet. 4.The amount of current, An electrical burn may affect: A. indoors. [Power Tools]. Flexible Cord Not 3-Wire, Hard Service Variety: A worker received a fatal shock when he was cutting drywall with a metal casing router. 0000006893 00000 n Improper Use of Extension and Flexible Cords. 1 0 obj What was Latoya's first mistake? [Flexible Cords] Cords that are not 3-wire type, not designed for hard-usage, or that have been modified, increase your risk of contacting electrical current. Quiz Question 2: Which is acceptable when using powdered tools? C 277v. Be sure equipment that has been shop fabricated or altered is in compliance. 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). hb``b``=p0X8n0lY0L#rK[V26h* @0H!XDl+!&FfUfo`h6l which of the following are electrical hazards osha quizlet D. Have an ANSI sticker and an expiration date. Handling Damaged Extension Cord When Energized: A 19-year-old construction laborer was working with his foreman and another laborer to construct a waterfront bulkhead for a lakeside residence. Electrical Safety Multiple Choice Questions and Answers for competitive exams. he most common shock-related injuries are: 0000011060 00000 n Underground electrical hazards are: A. b. Deductive objects c. Match the color of the tool to the color of the extension cord. Use only equipment that is approved to meet OSHA standards. <> When current travels through your body - Definition of electric shock, Choose the primary cause of an electric shock, Electric shock is caused when current travels through the body, the exits the ground. OSHA 10 - Exit Routes, Emergency Action Plans, The Analysis and Design of Linear Circuits, Albert J. Rosa, Gregory J. Toussaint, Roland E. Thomas. Two of the extension cords had no ground prongs, and some of them were repaired with electrical tape. endobj -If current passes through the body near the heart or brain. d. Match the outlet prongs to the extension cord. When current travels through your body - Definition of electric shock. 4.Broken. Stay at least 10 feet away from overhead power lines. 0000001814 00000 n After the wall was poured, one driver cleaned the loading chute of his cement truck with a water hose mounted on the truck. a.Yes, as it is a mobile engine testing station. 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. Death is probable. The following references aid in recognizing hazards associated with electrical work. d.A power tool, A GFCI is designed to: OSHA 10 General Industry Topic Exams Answer Key TOPIC EXAM 1: INTRO TO OSHA 1. 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. 0000421627 00000 n The insulation on the extension cord was cut through and exposed bare, energized conductors which made contact with the ladder. Electrocution. endobj Explain the process that prevents the poles from steadily cooling off and the tropics from heating up over time. c. Inductive objects c) Establish and enact an assured equipment grounding conductor program (AEGCP) 4.On equipment that must run unattended for long periods of time, Manufacturing equipment may be grounded using a wire connected to a rod driven into the earth. c.Wood Quiz Question 10: Ground-fault circuit interrupters must be used for all of the following except? 0000010155 00000 n This is action is also known as creating or completing an electrical circuit. OSHA: Common Electrical Hazards Flashcards | Quizlet ( (C) Hot sticks. 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. Many workers are unaware of the potential electrical hazards present in their work environment, which makes them more vulnerable to the danger of electrocution. This may damage your equipment and cause employee injuries. <>>> Identify the oxidizing and reducing agents.