OSHA 30 - Module 12: Electrical Safety Flashcards | Quizlet It is important to note that NFPA 70E is a . [. c. Extend the reach of the power tool. 2 0 obj d.Constructive objects, Select all answers that apply to the following statement and then click DONE. 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. Regarding hand protection employers should: A. a.Yes, as it is a mobile engine testing station. Electrical hazards expose workers to the following: Burns: Three types; electrical, arc flash, or thermal contact. 1. Use only equipment that is approved to meet OSHA standards. Question 3: Employers are not required to enforce lock out/tag out practices in the workplaces. OSHA requires the testing of a volt meter after a voltage test on voltage above_____. -Severe skin burns. Contact utilities for buried power line locations. 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. which of the following are electrical hazards osha quizlet 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. Quiz Question 7: Which is not an insulator? 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. 1. 1. 2.Using an aluminum ladder when the possibility exists for contact with electricity. 4. 1.Is firmly connected Latoya is using a mixing motor to mix pool chemicals in a plastic drum. Even when the power system is properly grounded, electrical equipment can instantly change from safe to hazardous because of extreme conditions and rough treatment. Switch 128 0 obj <> endobj xref 128 26 0000000016 00000 n Question 1: Which of these is a type of Ground Fault Circuit Adapter? @*@;z}IAH@3MsgU1Dnf@agLahpCn@&b|-^;b0k*!3VYy,jy%( Z%|\Jg"dRp-Wbz3QJS%k9p_WtZ When inspecting extension cords, look for: What is the most common, non-fatal, electrical shock-related injury? 0000001646 00000 n Work performed on an electrical system within reaching distance of energized components is_____work. Overhead and buried power lines at your site are especially hazardous because they carry extremely high voltage. a.Yes, because the electrical shock caused the fall. Exercise their rights under the law without retaliation, including reporting an injury or raising health and safety concerns with their employer or OSHA. Question 2: It's okay to use extension cords with worn insulation, as long as you are careful about it. 2.Grease Extension cords had poor splices, no grounds, and reversed polarity. 0000055319 00000 n 3. Using a dry wood ladder when the possibility exists for contact with electricity. Underground electrical hazards are: A. b.Ground Fault Critical Interrupter 1.Missing or broken path to ground. lex has set up a mobile engine testing station in the maintenance area. Frames of non-electrically driven elevator cars to which electric conductors are attached. Does the fall qualify as an electrical accident? The router's 3-wire power cord was spliced to a 2-wire cord and plug set which was not rated for hard service. 0000004274 00000 n (See NFPA 70E-2021 Article 130 and OSHA subpart S part 1910.333 (a) (1)- (2) and (c) for complete details.) Wearing a baseball cap Electricity to operate portable power tools was supplied by a temporary service pole 50 feet away. 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. b. How might this event affect the ability of animals to obtain energy to live? <>/ExtGState<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> d/E \VZvl$Y#nH,EIm /\"BQ>Rkl6xZWtAgfs 0000002479 00000 n What type of burns are the result of current flowing through and exiting the body? Of the following choices, which are frequent electrical hazards 2 0 obj 0000004946 00000 n 4.Running through doorways. As he removed the forms, he wrapped them with a length of cable called a choker, which was to be attached to a crane. Using equipment outdoors that is labeled for use only in dry, indoor locations. 0000056642 00000 n Visually inspect all electrical equipment before use. 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. Additionally, the ground prongs were missing from the two cords. startxref Test your knowledge with our electrical safety quiz below. 3.ack of ground fault protection. b+t6W' te+.W_{8u7Dt@1c. How fast would the ball be moving at the moment of release? 4.Flex Arc Flash. What three things must be present for a current to flow through a conductor. (3,2,1), (5,4,3). He may have dropped the extension cord at the site and not heard the connector break. She has an older drill with a steel housing and a 3-prong plug. Effective means of controlling power line hazards include: When selecting the right extension cord, a good rule of thumb is to match the thickness of the extension cord to the thickness of: 0000005042 00000 n b.10 feet The victim was totally deaf in one ear and suffered diminished hearing in the other. 0000003413 00000 n 1452 25 What is the primary purpose of properly grounding equipment? Gloves used for electrical work must be inspected and tested prior to use, and be certified every: A. Hazards are created when cords, cord connectors, receptacles, and cord- and plug connected equipment are improperly used and maintained. 0000004273 00000 n The contact lasts for 5 seconds before someone is able to shut off the power. 0000000016 00000 n Take any defective equipment out of service. What is the minimum clearance distance you must maintain from the power lines? using a 30-amp breaker in a system with 15- or 20-amp receptacles. The first worker knocked the auger off the victim, but saw that the electric cord was wrapped around the victim's thigh. 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. specifically addresses electrical protective devices. %%EOF Lx*jWP# /c2)|]NXqAx>=~'[ a.Your thumb. Question 3: If following lock out/tag out procedures, what step should be taken BEFORE you shut down the equipment? Using tools and equipment that can contact power lines increases the risk. Quiz Question 5: A/an ___________ is a unit of measurement for electrical resistance. CCOHS: Electrical Safety - Basic Information c.Three-prong plug 0000002557 00000 n b.The tool's power cord. -Rubber. True. One hand drill was not grounded, and the other had no safety plate. Which of the following injuries can occur when muscles flex or twitch from an electrical shock? 0000001814 00000 n 1.Using a fiberglass ladder when the possibility exists for contact with electricity. %PDF-1.4 % b) By supplying GFCIs, or ground-fault circuit interrupters . (E) a, b, and c. 2. Co-workers provided CPR, but were unable to revive the victim. Short Confined spaces Machinery-related hazards (lockout/tagout, boiler safety, forklifts, etc.) D. Communicate the hazard to the crew and subs, use signs and bar E. Both C and D Q22. 0000021516 00000 n a.311 [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. 3.Body tissue 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. eTool : Construction - Electrical Incidents | Occupational Safety and BE SAFE! To avoid injury or death, you must understand and recognize hazards. 0000001604 00000 n (A) Shotgun sticks. Using cords or tools with worn insulation or exposed wires. d.Adapter, What is a GFCI? The floor is covered in water and she is barefoot. Select the correct answer and then click DONE. Find the volume of the parallelepiped determined by the vertices (1,1,1),(4,7,2) . 1.Missing The accident site was wet; also, humidity was high and the victim was sweating. s\A0W+ A. wrap tape around the damaged spot to prevent electrical shocks. This is action is also known as creating or completing an electrical circuit. Other protective measures include guarding or insulating the lines. gYpV:+ 3.Tears Which of the following are insulators of electricity? Electrical - Overview | Occupational Safety and Health Administration High humidity [, Do not modify cords or use them incorrectly. Besides personal bodily injury, what other electrical hazards can be found in the workplace? 3.Loss of eyesight 0000004884 00000 n Which of the following factors determine how severe an electrical injury might be? Is the west coast of Africa a plate boundary? 0000013999 00000 n Ground metal parts of the following non-electrical equipment, as specified by the OSHA standard [, Frames and tracks of electrically operated. Is split 0000006152 00000 n Potential hazards of electricity are preventable if you do which of the following listed below? OSHA CONSTRUCTION FINAL EXAM Question and Answer Part 10. ly/homeo3b700 Which of the following is a resource within the. Both the operator and the victim failed to notice that the boom had contacted a 2,400-volt overhead power line. Frequently inspect electrical systems to insure that the path to ground is continuous. 4.Broken. Which of the following are insulators of electricity? Provide a safe path to earth ground for electricity. Quiz Question 3: Power cords can be damaged by which of the following? What are the 4 main type of hazards? [Ultimate Guide!] _.9u'2G_0 Ue]e"x5|Y Select the choices that accurately define the common electrical term. 3.Something that causes current to flow through the . )KL3C?e%Y92$,]^)kmR/!8\ JF N'bT\U1+tc+&:'ZuGi!UeUrE [?CrU.&|#@Ed,=2UF]r/n/{v-;v>%/~;[*AxBU,-#!uyFGR,Wv[ cOzObnZfI4ob:pf "~ .iBE@mOs:Os5U9cnU` Vd"F'4Bm?>}hyRQyrX0U026h7#L'. 0000003715 00000 n Working with electricity can be dangerous. An employee was texturing a wall using an air compressor. Quiz Question 1: Which of the following is not a category of electrical burns? 5>vB35Plm$\4{U[lU`t~.vJGmFO^@+ cGPzNY*oS(m%q{Agp 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. RZyd The individual's perspiration-soaked clothing/body contacted bare exposed conductors on one of the cords, causing an electrocution. 3. The scaffold had been constructed only 21 horizontal inches across from a 7,620-volt power line. NFPA 70E: Standard for Electrical Safety in the Workplace 0000421627 00000 n 2.Using extension cords or electrical tools properly. (See NFPA 70E-2021 Article 130 and OSHA subpart S part . 0000001896 00000 n Quiz Question 4: Which is a preventive measure to prevent hazards while working with power lines? Select the choices that accurately define the common electrical term. -Voltage= a measure of electrical force. <> gYpV:+ b.Shut off power within five minutes of the imbalance Flexible Cord Not 3-Wire, Hard Service Variety: A worker received a fatal shock when he was cutting drywall with a metal casing router. Muscular contraction and nerve damage occur; death likely. Dust 0000001731 00000 n -Wood. The \rule{1cm}{1pt} artery carries deoxygenated blood from the heart to the lungs. Remove from service any equipment with frayed cords, missing ground prongs, cracked tool casings, etc. 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 0000004208 00000 n . endobj When used on the moon? 0000001861 00000 n Provides information about the hazards that electrical workers may experience as a part of their jobs. Select the correct answer and then click DONE. The insulation on the extension cord was cut through and exposed bare, energized conductors which made contact with the ladder. 2.Complete Quiz Question 9: Conductor insulation must be approved for the ___________ of use? 2. Reportedly, he was shocked throughout the morning, and he had replaced one of the extension cords in an effort to eliminate the shocks. c.40,000 volts C 277v. OSHA Pros, LLC is an authorized provider of 360 Training, an OSHA-Accepted Provider, offering training and certification courses for NFPA 70E-Standard, and Water 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. b.Yes, as it would be too expensive to install more permanent wiring and receptacles. OSHA Safety and Health Topics Page. (C) Hot sticks. 1.Fingernails B. OSHA: Air Monitoring & Medical Surveillance, 5 ANO - RETOMANDO ARTIGO, SUBSTANTIVO E ADJE. Many workers are unaware of the potential electrical hazards present in their work environment, which makes them more vulnerable to the danger of electrocution. Using modified cords or tools, e.g., removing ground prongs, face plates, insulation, etc. One worker, holding the deadman's switch, received a shock from a ground fault in the auger and was knocked back from the machine. a. 4.Combustible dust, Fundamentals of Engineering Economic Analysis, David Besanko, Mark Shanley, Scott Schaefer. Question 3: A/an ____________ is a unit of measurement for electrical resistance. 1.Extension cords Cardiac arrest or death - A result of electrical shock. Select the correct answer and then click DONE. Stay at least 10 feet away from overhead power lines. D 600v. Electricity for power tools was supplied from an exterior 120-volt, grounded AC receptacle located at the back of the residence. 1.A source of electrical current to flow. 2.Flooding In 2017, there were over ______________ electrical related violations cited by OSHA in the workplace. After the wall was poured, one driver cleaned the loading chute of his cement truck with a water hose mounted on the truck. Quiz Question 2: Which is acceptable when using powdered tools? q>NmnLNmb$"Iyx1bD9.~Ll. The modification of the plug was not an intended use or prescribed by the manufacturer. Should he use an extension cord to power it? <> Burns. 0000012944 00000 n c.falls. -Current= the movement of electrical charge. A 56-year-old construction laborer was removing forms from a concrete wall poured several days earlier. 0000003603 00000 n 2.Is working properly Study with Quizlet and memorize flashcards containing terms like Bob is asked to repair some overhead wiring, requiring the use a ladder. 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 . PDF ODULE 1 INTRODUCTION TO E SAFETY - Occupational Safety and Health Before using the equipment, be sure that the ground wire: 1,[-c|"&u[Fu>wjte8j:xRk )"m_!6awT J,byp?fRBf?p|b3/Um\7"|+@5vvWAa5J^y*q,l b)Ftt4 :4,-J`! Electrocution was the second leading cause of worker deaths on construction sites in the United States in 2011. a. The workers had removed their shirts and were sweating. Seven employees of a masonry company were erecting a brick wall from a tubular, welded-frame scaffold approximately 24 feet high. 2.Yes, because he is using a portable power tool. 0000006893 00000 n Using multi-receptacle boxes designed to be. The factors that determine the severity of an electrical injury include: Electrical Safety Assessment Quiz Answers | ISHN Question 4: Which of the following is a type of burn caused by electrical hazards? 0000427811 00000 n 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. Equipment used in manner prescribed. The ________ keeps the electricity on its intended path through the conductor. electrical safety part 1 Flashcards | Quizlet 0000420887 00000 n xYmo -ER/&@[D,_! 0000002195 00000 n Easy to identify c. Match the color of the tool to the color of the extension cord. Select the correct answer and then click DONE. 0000013716 00000 n b. Deductive objects Lockout/tagout procedures. 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. You should? She finds several available in the shop. ( a.Supply power for tools or equipment on a temporary or short-term basis. a) Door or window edges Select the correct answer and then click DONE. %PDF-1.4 % xref 0000421920 00000 n De-energize and ground lines when working near them. A co-worker disconnected the power cord to the saw, too late to save the victim. Use the terms (freezing, gas, liquid, physical changes, solubility, solution, temperature, volume) to complete the sentence. The NEC C. Suggestions hazard or that their employer is not following OSHA's rules. 2.Loose bolts Select the correct answer and then click DONE. Does the fall qualify as an electrical accident? Osha 10 test answers 2021 quizlet - Math Questions Explosion Ajay needs to use a dewatering pump to drain standing water on a construction site. Is not broken, Question Text: Electrical tools should be grounded with a(n)________. d. 411, You are working with a 10-foot section of a conductive pipe near power lines. 1) The _____ created the Occupational Safety and Health Administration (OSHA) to set and enforce protective workplace safety and health standards. d.Add more outlets. Which of the following are conductor of electricity? The pole had not been inspected by the city and was not in compliance with code requirements (it was not grounded). 0000011060 00000 n OSHA 29 CFR 1910, Subpart P . Continually audit cords on-site. -Glass. Be sure equipment that has been shop fabricated or altered is in compliance. The following references aid in recognizing hazards associated with electrical work. 0000002122 00000 n % -Grounding= a conductive connection to the earth which acts as a protective measure. Electric current cannot exist without an unbroken path to and from the conductor. Select the correct answer and then click DONE. Quiz: Electrical Hazards. 3.Draped over equipment. Look for overhead power lines and buried power line indicators. 0000004921 00000 n d.A power tool, A GFCI is designed to: 5 feet V1?`T`P``ya W3 |"H36K1A@, rO(V[|NAT30 qI? endstream endobj 221 0 obj <>/Filter/FlateDecode/Index[30 152]/Length 27/Size 182/Type/XRef/W[1 1 1]>>stream If a worker has been retaliated against for using their rights, they BIOLOGICAL HAZARDS: term effects) and strain (longAssociated with working with animals, people, or infectious plant materials. d. Power outlets, ________ are anything that can transmit electrical current. Select the correct answer and then click DONE. 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. 3 OSHA requires the testing of a volt meter after a voltage test on voltage above_____. 0000108920 00000 n 0000004444 00000 n Examples Of Electrical Hazards. OSHA 29 CFR 1910, Subpart S . Check your employee's electrical safety knowledge through an electrical safety quiz. b.Yes, because Bob was on . (D) None of the above. Additionally, the ground prong was missing and there was no GFCI protection. he most common shock-related injuries are: 0000419562 00000 n -Damage to internal organs. Using circuit breakers or fuses with the wrong rating for over-current protection, e.g. OSHA: How Electricity Works Flashcards | Quizlet