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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. Continually audit cords on-site. Flexible Cord Not 3-Wire, Hard Service Variety: A worker received a fatal shock when he was cutting drywall with a metal casing router. If you are touching any grounded material while using a power tool 0000055319 00000 n Potential hazards of electricity are preventable if you do which of the following listed below? 1. A 120v. 0000012944 00000 n 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.Ground Fault Critical Interrupter Ground all exposed metal parts of equipment. 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 1.Extension cords Exercise their rights under the law without retaliation, including reporting an injury or raising health and safety concerns with their employer or OSHA. D. Have an ANSI sticker and an expiration date. Electrical hazards are life threatening incidents that could happen due to electricity. 0000017163 00000 n 3.Loose nuts Potential hazards of electricity are preventable if you: Electricity must always travel in a(n) ________, ________ circuit. Be sure equipment that has been shop fabricated or altered is in compliance. The victim was part of a crew that was constructing a concrete wall. Becoming part of the circuit exposes you to ________, the most dangerous electrical hazard. Electrocution. Question 4: When a worker receives an electric shock, first aid must start within ___________ minutes. 1.Cuts 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. 1452 0 obj <> endobj 0000001116 00000 n 1,[-c|"&u[Fu>wjte8j:xRk )"m_!6awT J,byp?fRBf?p|b3/Um\7"|+@5vvWAa5J^y*q,l b)Ftt4 :4,-J`! The normal wear and tear on extension and flexible cords at your site can loosen or expose wires, creating hazardous conditions. 3.Loss of eyesight A. wrap tape around the damaged spot to prevent electrical shocks. 0000002386 00000 n Select the correct answer and then click DONE. Safe operation of hand and portable powered tools and other hand-held equipment. 0000005042 00000 n 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. Visually inspect all electrical equipment before use. 0000420277 00000 n stream Select the correct answer and then click DONE. d. No, because an extension cord would not provide enough power. 0000007741 00000 n (See NFPA 70E-2021 Article 130 and OSHA subpart S part . Others, such as office workers and sales people, work with electricity indirectly and may also be exposed to electrical hazards. Electrical current travels through insulated ________. 0000005716 00000 n 5.Twitch, Electrical shock may result in: . specifically addresses electrical protective devices. True. c.Absorb any water around the area Is not broken, Question Text: Electrical tools should be grounded with a(n)________. She finds several available in the shop. Work performed on an electrical system within reaching distance of energized components is_____work. Take any defective equipment out of service. 2.Flooding Metal partitions, grill work, and similar metal enclosures around equipment of over 1kV between conductors. Get All Answers to OSHA 30 Construction Final Exam. In 2017, there were over ______________ electrical related violations cited by OSHA in the workplace. OSHA: Electrical Hazards Flashcards | Quizlet 2.Grease c.Wood CCOHS: Electrical Safety - Basic Information The ground wire was not attached on the male end of the cord's plug. Electrical Safety Quiz Electrical safety is an important topic that you and your workers need to know about. Frequently inspect electrical systems to insure that the path to ground is continuous. 3.Something that causes current to flow through the . vpfuI)],s -Falls. 0000001896 00000 n electrical safety part 1 Flashcards | Quizlet 0000001604 00000 n Quiz Question 1: Which of the following is not a category of electrical burns? <<7628BB2D46738F42B2FC6393656F4718>]>> 3.Needs to be reset Use only cords, connection devices, and fittings that are equipped with strain relief. OSHA 10 - Exit Routes, Emergency Action Plans, The Analysis and Design of Linear Circuits, Albert J. Rosa, Gregory J. Toussaint, Roland E. Thomas. % <>>> 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. 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). A. indoors. The auger then fell across the other worker, the 24-year-old victim. d.A power tool, A GFCI is designed to: I;C`_;LV'd,|#H--e`( ')'RpAgA7O`?%68SB [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. 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. Other protective measures include guarding or insulating the lines. g]+fn_m{mja_0Y w endstream endobj 189 0 obj <> endobj 190 0 obj <>stream Best Practices with Power Lines Quiz OSHA 30 - Best [, Use all equipment according to the manufacturer's instructions. %PDF-1.4 % c.falls. b. 4 0 obj 3. OSHA Pros, LLC is an authorized provider of 360 Training, an OSHA-Accepted Provider, offering training and certification courses for NFPA 70E-Standard, and 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. xYmo -ER/&@[D,_! 1. 2. c.Gasoline Hazards are created when cords, cord connectors, receptacles, and cord- and plug connected equipment are improperly used and maintained. 3.Tears Which of the following are caused by contact with electricity? Electric current cannot exist without an unbroken path to and from the conductor. The NEC C. Suggestions 4.Dirt build-up, Use only approved and authorized power tools in areas where the following hazards may be present: <>/ExtGState<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 792 612] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> 0000089142 00000 n H. Question 2: Which of the following are ways employers must protect their employees on the workplace? Select the choices that accurately define the common electrical term. 4. Besides personal bodily injury, what other electrical hazards can be found in the workplace? c.A measurement of electricity 0000007427 00000 n -Wood. Use only extension cords that are marked with a designation code for hard or extra-hard usage. B 208v. 0000021516 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. Test your knowledge with our electrical safety quiz below. Frames of non-electrically driven elevator cars to which electric conductors are attached. Course 812 Module 7 OSHA Focus Four Hazards: Electrocution - OSHAcademy 4.Cardiac arrest d.Adapter, What is a GFCI? Post warning signs. stream Question 2: Which of the following is NOT a category of electrical burns? Which of the following factors determine how severe an electrical injury might be? Best practices with power lines include: Using circuit breakers or fuses with the wrong rating for over-current protection, e.g. b.Yes, because Bob was on . c.40,000 volts Electricity must follow an uninterrupted loop from the power source to the equipment and back to the power source or ________. 1. Which of the following part of you body can burn if you come in contact with electricity? The most dangerous place to use electrical equipment is? @*@;z}IAH@3MsgU1Dnf@agLahpCn@&b|-^;b0k*!3VYy,jy%( Z%|\Jg"dRp-Wbz3QJS%k9p_WtZ c) Establish and enact an assured equipment grounding conductor program (AEGCP) 3 0 obj 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. 0000008392 00000 n trailer <]/Prev 500768/XRefStm 1495>> startxref 0 %%EOF 222 0 obj <>stream Water Additionally, the ground prong was missing and there was no GFCI protection. Electrical Hazards Electrical hazards can be found in nearly every roofing work site. 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 standard also includes safe work practices for employees performing other work activities that can expose them to electrical hazards as well as safe work practices for the following: (1) Installation of conductors and equipment that connect to the supply of electricity (2) Installations used by the electric utility, such as office . Before using the equipment, be sure that the ground wire: a.Electricity Carly needs to use an extension cord with her corded nail gun. Equipment used in manner prescribed. 0000010155 00000 n Select the correct answer and then click DONE. Death is probable. Stay at least 10 feet away from overhead power lines. This caused him to fall from the ladder and land in a puddle of water, still holding the saw. c. Inductive objects Underground electrical hazards are: A. 2.Using an aluminum ladder when the possibility exists for contact with electricity. b) By supplying GFCIs, or ground-fault circuit interrupters Select the correct answer and then click DONE. Does the fall qualify as an electrical accident? d. 20 feet. 2.Loss of muscle control SCENARIO: You encounter a co-worker on a residential remodeling job. A) 120v . a. a.Ground Fault Circuit Insulator Match the length from job to outlet. Of the following choices, which are frequent electrical hazards 2 0 obj List the four main types of electrical injuries, Using the illustration, select the answer that matches the picture, Identify the illustration by selecting the appropriate answer. 0000006866 00000 n As he is working on the wiring, he receives an electrical shock that knocks him backward and causes him to fall off the ladder. Best Practices with Power Lines 1. 5>vB35Plm$\4{U[lU`t~.vJGmFO^@+ cGPzNY*oS(m%q{Agp A worker was removing a metal antenna when it made electrical contact with a 7200-volt power transmission line. OSHA 30 Construction Final Test Answer Key - Studylib 2.The person's physical condition %%EOF hazard or that their employer is not following OSHA's rules. Two of the extension cords had no ground prongs, and some of them were repaired with electrical tape. PDF Name: Date: Test Electrical Safety Quiz SELECT THE BEST ANSWER. 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. True. d) All of the above. PDF ODULE 1 INTRODUCTION TO E SAFETY - Occupational Safety and Health De-energize and ground lines when working near them. d. 411, You are working with a 10-foot section of a conductive pipe near power lines. What was Latoya's first mistake? 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. 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 2. Electrical safety requirements necessary for the practical safeguarding of employees in the workplace. 0000002403 00000 n 0000003413 00000 n It is important to note that NFPA 70E is a . gYpV:+ 0000004921 00000 n 0000004444 00000 n 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. c.The outlet. PDF Electrical Hazards - Occupational Safety and Health Administration <> -Severe skin burns. a. Gaseous matter A 29-year-old worker was electrocuted when he pushed a crane cable into a 7,200-volt power line. Provide a safe path to earth ground for electricity. Examples of Equipment That Can Contact Power Lines. 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). BIOLOGICAL HAZARDS: term effects) and strain (longAssociated with working with animals, people, or infectious plant materials. 0000012360 00000 n -Glass. 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. 2.Something to transport the electrical current -- A conductor. 0000004274 00000 n OSHA 29 CFR 1910, Subpart S . 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. Select the correct answer and then click DONE. a. d.Add more outlets. Provides information about the hazards that electrical workers may experience as a part of their jobs. It's okay to use extension cords with worn insulation, as . How might this event affect the ability of animals to obtain energy to live? 0000005520 00000 n Is split [. Question 3: Employers are not required to enforce lock out/tag out practices in the workplaces. c) Age %PDF-1.4 % Select the correct answer and then click DONE. Extension cords had poor splices, no grounds, and reversed polarity. Then answer the questions below. 2. Both could have prevented the accident from occuring. As he began to pull away, the crew supervisor yelled to him, asking if the crew could use his water hose to wash out their cement bucket suspended from the crane. 182 0 obj <> endobj xref 182 41 0000000016 00000 n 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. [29 CFR 1926.416(a)(1)]. 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. 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. 1 0 obj 1452 25 (3,2,1), (5,4,3). endobj 3 OSHA requires the testing of a volt meter after a voltage test on voltage above_____. Effective means of controlling power line hazards include: d.Metal, Over half of all deaths caused by electricity result from contact with ________. Arc Flash. OSHA 30 - Quiz 3 - Electrocution Hazards Flashcards | Quizlet endobj Contact utilities for buried power line locations. 0000001495 00000 n a.Your thumb. s\A0W+ OSHA 29 CFR 1910.147 . 1.When you are using electricity near water eTool : Construction - Electrical Incidents | Occupational Safety and 1. Using multi-receptacle boxes designed to be. Using modified cords or tools, e.g., removing ground prongs, face plates, insulation, etc. . trailer (See NFPA 70E-2021 Article 130 and OSHA subpart S part 1910.333 (a) (1)- (2) and (c) for complete details.) 0000002195 00000 n 0000002733 00000 n 0000108653 00000 n 0000022637 00000 n A) Identify; Castigate; C) Evaluate; D) Modify; 3. 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? The small electrical current enters his body through his left leg. Should he use an extension cord to power it? :$#k9BPnZ{Qqe/reKy,'ZlB# =EAn`u!d, |\~Y>ZF( dnLN\2vP6 >sSjgh2:Lmqx#a[G2{h$zW]_:@Lvr)2T:R-/ `&~O4j)>1P*M 5>F:1B.g!AR 0000001908 00000 n Fatal electrocution is the main risk, but burns and falls from elevations are also hazards.