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. 0000002385 00000 n b.10 feet 0000005406 00000 n 0000010603 00000 n 2.Loose bolts Using the wrong light bulb wattage; Overloading power strips and outlets; Unprotected electrical outlets; Poor wiring; Defective electrical wires Bob is asked to repair some overhead wiring, requiring the use a ladder. 182 0 obj <> endobj xref 182 41 0000000016 00000 n 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. [Flexible Cords and Power Tools]. Select the correct answer and then click DONE. Wearing a baseball cap The victim provided a path to ground and was electrocuted. OSHA 29 CFR 1910, Subpart S . Use non-conductive wood or fiberglass ladders when working near power lines. Electrical safety requirements necessary for the practical safeguarding of employees in the workplace. 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 Use only cords, connection devices, and fittings that are equipped with strain relief. Follow manufacturers' recommended testing procedure to insure GFCI is working correctly. a.Extension cords b+t6W' te+.W_{8u7Dt@1c. D. Have an ANSI sticker and an expiration date. q>NmnLNmb$"Iyx1bD9.~Ll. De-energize and ground lines when working near them. Even when the power system is properly grounded, electrical equipment can instantly change from safe to hazardous because of extreme conditions and rough treatment. 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. 3.Body tissue Electrical - Overview | Occupational Safety and Health Administration specifically addresses electrical protective devices. 4. The auger has a one-quarter horsepower motor encased in a metal housing with two handles. lb MKS Power was supplied through two extension cords from a nearby residence. 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. 30 days B. 3.Maintaining a safe distance of at least 10 feet from all overhead power lines. Quiz Question 2: Which is acceptable when using powdered tools? 0000005042 00000 n d. Match the outlet prongs to the extension cord. Electricity becomes hazardous when it takes an unintended path to complete the ________. lex has set up a mobile engine testing station in the maintenance area. PDF C. Check your employee's electrical safety knowledge through an electrical safety quiz. PDF Working Safely with Electricity - Occupational Safety and Health (A) Shotgun sticks. OSHA: How Electricity Works Flashcards | Quizlet Select the correct answer and then click DONE. Does the fall qualify as an electrical accident? Select the correct answer and then click DONE. The ground wire was not attached on the male end of the cord's plug. d. 411, You are working with a 10-foot section of a conductive pipe near power lines. -If current passes through the body near the heart or brain. 1.Flammable liquids 4.Good condition of moveable parts, Items that could encourage overheating and cause tools to malfunction or start a fire include: <>/ExtGState<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> Work performed on an electrical system within reaching distance of energized components is_____work. What factors determine the severity of Dirk's injuries? 0000007116 00000 n a. Gaseous matter a.Two-prong plug Which of the following are conductor of electricity? 2.Something to transport the electrical current -- A conductor. When an electric shock occurs, your muscles may: How will she choose the correct cord? )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'. Remove cords from receptacles by pulling on the plugs, not the cords. 1. OSHA 10 General Industry Test Answer Key WALKING. 1.Damaged cover or insulation 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. PDF Electrical Safety - Occupational Safety and Health Administration CCOHS: Electrical Safety - Basic Information endobj The factors that determine the severity of an electrical injury include: OSHA: Electrical Hazards Flashcards | Quizlet 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. Apparently, his hand contracted and he was "locked" to the saw. 1.Missing or broken path to ground. 1.Missing 0000004686 00000 n A worker was removing a metal antenna when it made electrical contact with a 7200-volt power transmission line. 0000110659 00000 n It is important to note that NFPA 70E is a . Improper Use of Extension and Flexible Cords. Yes, because he will be using electricity near water. c.15 feet and more. Quiz Question 4: Which is a preventive measure to prevent hazards while working with power lines? High humidity Be sure equipment that has been shop fabricated or altered is in compliance. Gloves used for electrical work must be inspected and tested prior to use, and be certified every: A. Supply power for tools or equipment on a long-term basis. 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. In 2017, there were over ______________ electrical related violations cited by OSHA in the workplace. a.Conductive objects Select the correct answer and then click DONE. 1.Pain 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. Select the choices that accurately define the common electrical term. a.Your thumb. 3 0 obj A) 120v . Question 2: Which of the following are ways employers must protect their employees on the workplace? (See NFPA 70E-2021 Article 130 and OSHA subpart S part . b.30,000 volts c.Power lines 1. 3.Something that causes current to flow through the . 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.Match the thickness of the extension cord to the thickness of the nail gun's power cord. Hand-operated metal shifting ropes or cables of electric elevators. OSHA: Common Electrical Hazards Flashcards | Quizlet OSHA 10 - Exit Routes, Emergency Action Plans, The Analysis and Design of Linear Circuits, Albert J. Rosa, Gregory J. Toussaint, Roland E. Thomas. 0000028595 00000 n 4.Broken. 0000108653 00000 n Provide a safe path to earth ground for electricity. 1.When you are using electricity near water View Best Practices with Power Lines Quiz OSHA 30.docx from OSHA 30 at Columbia Southern University. 0000421627 00000 n 0000007694 00000 n 4. Ajay needs to use a dewatering pump to drain standing water on a construction site. 0000007427 00000 n Additionally, the ground prong was missing and there was no GFCI protection. The workers administered CPR to the victim, but to no avail. 0000001896 00000 n -Damage to internal organs. 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. In addition to contact with power lines, the top electrical hazards include: When current travels through your body - Definition of electric shock. 3.When you are using portable power tools using a 30-amp breaker in a system with 15- or 20-amp receptacles. As she is adding in the chemicals, her hand touches the motor and it becomes energized. When used on the moon? (a) Describe the reaction between the hydride ion and water in terms of a Bronsted acid-base reaction. xb```VVF A10p,``Pp`hhdpn``r`L:[ I,aZ4Knj21 `ny; Ge7t@OrMx)"cx&e:[~J%aUJ\*t Best Practices with Power Lines Quiz OSHA 30 - Best c. Inductive objects The auger then fell across the other worker, the 24-year-old victim. stream 0000004208 00000 n 0000018681 00000 n [, Use all equipment according to the manufacturer's instructions. The NEC C. Suggestions Explosion A 29-year-old worker was electrocuted when he pushed a crane cable into a 7,200-volt power line. Select the correct answer and then click DONE. Use only equipment that is approved to meet OSHA standards. OSHA: Air Monitoring & Medical Surveillance, WebQuest: Biomes, Ecosystems and Habitats. 1. 0000002403 00000 n c) Establish and enact an assured equipment grounding conductor program (AEGCP) Noise, : ________ or heavy perspiration can cause electricity to take an unintended path. 3.The length of time the body is in contact with electricity What do tripped circuit breakers and blown fuses indicate? Lockout/tagout procedures. <> electrical safety part 1 Flashcards | Quizlet The floor is covered in water and she is barefoot. Select the correct answer and then click DONE. 0000002479 00000 n 0000011060 00000 n <> 0000003900 00000 n Using circuit breakers or fuses with the wrong rating for over-current protection, e.g. 0000089142 00000 n b) By supplying GFCIs, or ground-fault circuit interrupters What are the 4 main type of hazards? [Ultimate Guide!] 1 0 obj 1. 0000005050 00000 n _5JKy. 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. 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 . Question 4: When a worker receives an electric shock, first aid must start within ___________ minutes. Select the correct answer and then click DONE. Using a dry wood ladder when the possibility exists for contact with electricity. trailer Continually audit cords on-site. 3.Needs to be reset 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. 0 0000003254 00000 n 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. Use only extension cords that are 3-wire type. 2.Grease 2.Skin d.Alert workers of any water in the area, GFCI is an acronym for: Short Confined spaces Machinery-related hazards (lockout/tagout, boiler safety, forklifts, etc.) When selecting the right extension cord, a good rule of thumb is to match the thickness of the extension cord to the thickness of: -Conductor= permits the free flow of 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. %PDF-1.4 % 1476 0 obj <>stream 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.Metal, Over half of all deaths caused by electricity result from contact with ________. Using modified cords or tools, e.g., removing ground prongs, face plates, insulation, etc. [, Do not modify cords or use them incorrectly. 3. Electricity for power tools was supplied from an exterior 120-volt, grounded AC receptacle located at the back of the residence. (C) Hot sticks. OSHA-10: Avoiding Electrocution Hazards Flashcards | Quizlet 3.Tears 4,600. A laborer carried a piece of wire reinforcement (10 feet long by 8 inches wide) along the top section of the scaffold and contacted the power line with it. 0000003771 00000 n 0000005734 00000 n d) All of the above. Question 3: A/an ____________ is a unit of measurement for electrical resistance. OSHA 30 - Module 12: Electrical Safety Flashcards | Quizlet Visually inspect all electrical equipment before use. trailer <<11AC4BACEBCA4B32A885F1120BD3A307>]>> startxref 0 %%EOF 153 0 obj <>stream 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 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. Electrical safety quiz answers are given below. 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. Equipment used in manner prescribed. Select the correct answer and then click DONE. He may have dropped the extension cord at the site and not heard the connector break. PDF ODULE 1 INTRODUCTION TO E SAFETY - Occupational Safety and Health When does electricity become hazardous to humans? c. Extend the reach of the power tool. 0000021516 00000 n x_HSqnwmky54YLzeStJi# TZObFT*.#BQF/Q Co-workers provided CPR, but were unable to revive the victim. OSHA: Air Monitoring & Medical Surveillance, 5 ANO - RETOMANDO ARTIGO, SUBSTANTIVO E ADJE. (3,2,1), (5,4,3). 0000427811 00000 n 4.Combustible dust, Fundamentals of Engineering Economic Analysis, David Besanko, Mark Shanley, Scott Schaefer. 4.Flex Which of the following are caused by contact with electricity? -Grounding= a conductive connection to the earth which acts as a protective measure. Of the following choices, which are frequent electrical hazards Osha 10 test answers 2021 quizlet - Math Questions Other protective measures include guarding or insulating the lines. 0000003603 00000 n If a defective power tool gives you an electric shock, how might your muscles react? How fast would the ball be moving at the moment of release? 1.A source of electrical current to flow. B. outdoors. Question 3: If following lock out/tag out procedures, what step should be taken BEFORE you shut down the equipment? The victim signaled the operator of the crane to extend the boom and lower the hoist cable. What type of burns are the result of current flowing through and exiting the body? Is not painted over d. No, because an extension cord would not provide enough power. Electricity will form a "path" or "loop". Isolating, Power lines may be located underground. OSHA will keep all identities confidential. The pole had not been inspected by the city and was not in compliance with code requirements (it was not grounded). 0000004793 00000 n Electrical Safety Multiple Choice Questions and Answers for competitive exams. Is the west coast of Africa a plate boundary? 0000004946 00000 n Examples of Equipment That Can Contact Power Lines. Determine duration, frequency, degree of exposure to hazards and physical stress. It's okay to use extension cords with worn insulation, as . Most of the hydrides of Group 1A and Group 2A metals are ionic. 5. What was Latoya's first mistake? 0000003640 00000 n Quiz Question 5: A/an ___________ is a unit of measurement for electrical resistance. No GFCI's were used. A. wrap tape around the damaged spot to prevent electrical shocks. He yelled for his co-workers to disconnect the power, which they did. Question 1: Each year, approximately __________ workers suffer from electricity related injuries. What is the most common, non-fatal, electrical shock-related injury? 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. Get All Answers to OSHA 30 Construction Final Exam. 0000420564 00000 n 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. Both could have prevented the accident from occuring. !DP#vr-\DM<6V-2'I5l6)Z@^m=}c3-aUOo6rr V-Y3d6HABmjD $TQCvK*eg&|Y596#H\ <>/ExtGState<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 792 612] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> 1.Clench Is split As the victim climbed down a makeshift ladder, he shifted the saw from his right hand to his left, and was shocked. c.The outlet. a.20,000 volts Two of the extension cords had no ground prongs, and some of them were repaired with electrical tape. 1.Using a fiberglass ladder when the possibility exists for contact with electricity. 4.Must be replaced, Always use a GFCI: @*@;z}IAH@3MsgU1Dnf@agLahpCn@&b|-^;b0k*!3VYy,jy%( Z%|\Jg"dRp-Wbz3QJS%k9p_WtZ This is action is also known as creating or completing an electrical circuit. Question 3: Employers are not required to enforce lock out/tag out practices in the workplaces. 15,000 milliamps (15 amps) Lowest overcurrent at which a typical fuse or circuit breaker opens a circuit! %%EOF c.40,000 volts a.Ground Fault Circuit Insulator 0000005632 00000 n Extension cords may become a trip hazard when: The individual's perspiration-soaked clothing/body contacted bare exposed conductors on one of the cords, causing an electrocution. How might this event affect the ability of animals to obtain energy to live? Electrical Contractors Industry. 0000008392 00000 n I;C`_;LV'd,|#H--e`( ')'RpAgA7O`?%68SB 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). 0000002150 00000 n a) Door or window edges Post warning signs. 0000007741 00000 n The small electrical current enters his body through his left leg. 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. D. near other electrical equipment. 1.Fingernails 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. True. Electrical hazards like frayed cords, missing ground pins, improper wiring or the harm that these hazards pose. When the energized conductor made contact with the ladder, the path to ground included the worker's body, resulting in death. Hazards are created when cords, cord connectors, receptacles, and cord- and plug connected equipment are improperly used and maintained. B 208v. 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.Ground Fault Critical Interrupter B. 3 0 obj b.Metal 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. 0000022637 00000 n Is not broken, Question Text: Electrical tools should be grounded with a(n)________. 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. PDF OSHA Safety - Electrical Safety - Red Vector -Glass. A 20-year-old bricklayer standing on the work platform in contact with the main scaffold was electrocuted. NFPA 70E: Standard for Electrical Safety in the Workplace -Rubber. Leaving or using electrical appliances near water - As electric current is transmitted faster in on wet surfaces, you stand a chance of getting an electric shock.
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