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

When the victim reached down to connect the choker to the hoist cable, he suddenly collapsed. 2. xb```VVF A10p,``Pp`hhdpn``r`L:[ I,aZ4Knj21 `ny; Ge7t@OrMx)"cx&e:[~J%aUJ\*t Select the choices that accurately define the common electrical term. Using equipment outdoors that is labeled for use only in dry, indoor locations. These short objective type questions with answers are very important for competitive exams as well as Board exams. 1,[-c|"&u[Fu>wjte8j:xRk )"m_!6awT J,byp?fRBf?p|b3/Um\7"|+@5vvWAa5J^y*q,l b)Ftt4 :4,-J`! Electrical current travels through insulated ________. When an electric shock occurs, your muscles may: C 277v. Ground metal parts of the following non-electrical equipment, as specified by the OSHA standard [, Frames and tracks of electrically operated. d.Alert workers of any water in the area, GFCI is an acronym for: 5. -Conductor= permits the free flow of electricity. -Damage to internal organs. 0000002876 00000 n Exercise their rights under the law without retaliation, including reporting an injury or raising health and safety concerns with their employer or OSHA. he most common shock-related injuries are: Select the correct answer and then click DONE. To avoid injury or death, you must understand and recognize hazards. As he is working on the wiring, he receives an electrical shock that knocks him backward and causes him to fall off the ladder. b.Ground Fault Critical Interrupter 4.Damaged cover or insulation, When using electric-powered hand tools, do not overload: Additional minimum clearance distance is required for power lines carrying over ________. Of the following choices, which are frequent electrical hazards d.Constructive objects, Select all answers that apply to the following statement and then click DONE. 1.Clench 4.Broken. You need to evaluate the situation you are in and assess your . Get resources on specific hazards and their control, including identification, risk assessment and inspections, to keep your workplace healthy and safe. 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. The presence of ______ can turn you, your equipment, or insulators like wood, into conductors. a.Supply power for tools or equipment on a temporary or short-term basis. stream q>NmnLNmb$"Iyx1bD9.~Ll. 2.Using an aluminum ladder when the possibility exists for contact with electricity. s\A0W+ Regarding hand protection employers should: A. BE SAFE! The factors that determine the severity of an electrical injury include: 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. OSHA 29 CFR 1910, Subpart S . -Severe skin burns. <>>> A) 120v . Question 1: Each year, approximately __________ workers suffer from electricity related injuries. While attempting to unplug the compressor from the extension cord, the employee was fatally shocked. 0000013716 00000 n [, Use all equipment according to the manufacturer's instructions. 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. True. -If current passes through the body near the heart or brain. What are the 4 main type of hazards? [Ultimate Guide!] Quiz Question 9: Conductor insulation must be approved for the ___________ of use? The floor is covered in water and she is barefoot. The \rule{1cm}{1pt} artery carries deoxygenated blood from the heart to the lungs. Check your employee's electrical safety knowledge through an electrical safety quiz. c. Match the color of the tool to the color of the extension cord. d.Ground Fault Circuit Interrupter, : Another electrical hazard that can cause injury or death in the workplace is a ________ path to ground. D. near other electrical equipment. Besides personal bodily injury, what other electrical hazards can be found in the workplace? 0000003603 00000 n Underground electrical hazards are: A. 0000419562 00000 n 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 2.Placed along a wall. Lx*jWP# /c2)|]NXqAx>=~'[ Others, such as office workers and sales people, work with electricity indirectly and may also be exposed to electrical hazards. Select the correct answer and then click DONE. 2. % 0000002386 00000 n Power was supplied through two extension cords from a nearby residence. As she is adding in the chemicals, her hand touches the motor and it becomes energized. 2.Something to transport the electrical current -- A conductor. 5 feet 0000015549 00000 n uVNSF!UTRQ91uR,6@hCH}]GAlaPh)NeT$iQ89S9|?4wahU ltz9 PH[$I&VX9WG%K~1{u8M:D"+HLEy 3@NR^z!rB^?RyOj;'Lof. Examples Of Electrical Hazards. 2 0 obj d.Water, Other electrical hazards in the workplace include: vpfuI)],s H\n0)M) 0Ir(,?FoKhdklz6zHG;mOqOh-tv.]NGv~d.m\S{|Fo-x-\"1X/niCYeq"ol8D~&?Kr V_/9yf 9JV%J899s{_G#R0="dL5,p: 0000001495 00000 n Is not painted over 0000002150 00000 n 0000055319 00000 n 15,000 milliamps (15 amps) Lowest overcurrent at which a typical fuse or circuit breaker opens a circuit! Noise, : ________ or heavy perspiration can cause electricity to take an unintended path. 3.Loss of eyesight A worker was operating a " electric chisel when an electrical fault occurred in the casing of the tool, causing him to be fatally electrocuted. 1. 0000002403 00000 n 1.Flammable liquids 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. 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. 0000006152 00000 n 3.Tears 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. d) All of the above. [Flexible Cords and Power Tools]. 0000028595 00000 n b.Yes, because Bob was on . 0000000816 00000 n OSHA: Air Monitoring & Medical Surveillance, WebQuest: Biomes, Ecosystems and Habitats. 4 0 obj Then answer the questions below. Using circuit breakers or fuses with the wrong rating for over-current protection, e.g. c.A measurement of electricity Quiz Question 4: Which is a preventive measure to prevent hazards while working with power lines? 0000006893 00000 n d.50,000 volts. PDF SAFETY HAZARDS: These are the most PHYSICAL HAZARDS: CHEMICAL HAZARDS 0000018681 00000 n 0000022637 00000 n An employee was texturing a wall using an air compressor. 4.Organs, The presence of ________ can turn you, your equipment, or insulators like wood into conductors. Select the correct answer and then click DONE. ( Among all of the safety measures that can and should be used to prevent electrical shock, which one is the most essential? 0000007694 00000 n A 120v. 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. (See NFPA 70E-2021 Article 130 and OSHA subpart S part . c.Touching the motor One hand drill was not grounded, and the other had no safety plate. 0000008392 00000 n OSHA 30 - Module 12: Electrical Safety Flashcards | Quizlet 1.A source of electrical current to flow. electrical safety part 1 Flashcards | Quizlet 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. Electrical safety quiz answers are given below. 3.Clear endobj 0000004884 00000 n c.Three-prong plug )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'. The victim provided a path to ground and was electrocuted. =EAn`u!d, |\~Y>ZF( dnLN\2vP6 >sSjgh2:Lmqx#a[G2{h$zW]_:@Lvr)2T:R-/ `&~O4j)>1P*M 5>F:1B.g!AR Using the wrong light bulb wattage; Overloading power strips and outlets; Unprotected electrical outlets; Poor wiring; Defective electrical wires PDF C. (See NFPA 70E-2021 Article 130 and OSHA subpart S part 1910.333 (a) (1)- (2) and (c) for complete details.) b.Electrical tools 1.Missing or broken path to ground. Get All Answers to OSHA 30 Construction Final Exam. 0000001814 00000 n 3. b) By supplying GFCIs, or ground-fault circuit interrupters % If the insulation on the tool's power cord is damaged and you touch this area while grounded, the electricity will ________. Contact utilities for buried power line locations. 4.Good condition of moveable parts, Items that could encourage overheating and cause tools to malfunction or start a fire include: High humidity RZyd Muscular contraction and nerve damage occur; death likely. specifically addresses electrical protective devices. What was Latoya's first mistake? Using tools and equipment that can contact power lines increases the risk. *Effects are for voltages less than about 600 volts. 1.Pain 0000007741 00000 n 0000017336 00000 n OSHA 10 General Industry Topic Exams Answer Key TOPIC EXAM 1: INTRO TO OSHA 1. [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. The source of the shocks -- the saw -- was not replaced. a. b.Metal 0000004921 00000 n d. 20 feet. OSHA will keep all identities confidential. In 2017, there were over ______________ electrical related violations cited by OSHA in the workplace. 2.Loose screws 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. 0000004946 00000 n 0000421920 00000 n b. 0000004273 00000 n Overview. _5JKy. 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). 4.The amount of current, An electrical burn may affect: a) Door or window edges a.Extension cords 3. Cardiac arrest or death - A result of electrical shock. 3.The length of time the body is in contact with electricity Improper Use of Extension and Flexible Cords. She finds several available in the shop. 4.Dirt build-up, Use only approved and authorized power tools in areas where the following hazards may be present: 4.Running through doorways. After the wall was poured, one driver cleaned the loading chute of his cement truck with a water hose mounted on the truck. -Current= the movement of electrical charge. Select the correct answer and then click DONE. Draw a line from the item on the left that corresponds to the match on the right. 0000003900 00000 n c. Extend the reach of the power tool. A co-worker disconnected the power cord to the saw, too late to save the victim. 3.Something that causes current to flow through the . endobj Electrical hazards are life threatening incidents that could happen due to electricity. When selecting the right extension cord, a good rule of thumb is to match the thickness of the extension cord to the thickness of: When used on the moon? [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. 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. (a) Describe the reaction between the hydride ion and water in terms of a Bronsted acid-base reaction. 3.Cramp d.A power tool, A GFCI is designed to: %PDF-1.4 % PDF OSHA Safety - Electrical Safety - Red Vector HWMo#7v#h>6,Z4- Yes, because he will be using electricity near water. Which of the following part of you body can burn if you come in contact with electricity? 0000108653 00000 n hazard or that their employer is not following OSHA's rules. 1.When you are using electricity near water OSHA 30 Construction Final Test Answer Key - Studylib Outlets As a result, the ground prong of the welder plug did not insert into the ground terminal of the cord, so that as soon as a connection was made, the outside metal case of the welder became energized, electrocuting the victim. 12 months C. 6 months D. Never Q23. Select the correct answer and then click DONE. Visually inspect all electrical equipment before use. Ground all exposed metal parts of equipment. Which of the following are caused by contact with electricity? 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. 0000420564 00000 n 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). Use only extension cords that are marked with a designation code for hard or extra-hard usage. 2. Take any defective equipment out of service. 5>vB35Plm$\4{U[lU`t~.vJGmFO^@+ cGPzNY*oS(m%q{Agp a.20,000 volts PDF Working Safely with Electricity - Occupational Safety and Health d.Add more outlets. 0000005042 00000 n Even when the power system is properly grounded, electrical equipment can instantly change from safe to hazardous because of extreme conditions and rough treatment. 0000414648 00000 n 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. Is split 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. Electrical Safety Multiple Choice Questions and Answers for competitive exams. 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 . A. indoors. 2. 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 A 29-year-old worker was electrocuted when he pushed a crane cable into a 7,200-volt power line. d/E \VZvl$Y#nH,EIm /\"BQ>Rkl6xZWtAgfs Ajay needs to use a dewatering pump to drain standing water on a construction site. Computers <<7628BB2D46738F42B2FC6393656F4718>]>> b.10 feet 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. Switch How fast would the ball be moving at the moment of release? c.falls. a.Shut off power within a fraction of a second eTool : Construction - Electrical Incidents | Occupational Safety and 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. Which of the following can be the result of electric shock? 0000002557 00000 n Provides information about the hazards that electrical workers may experience as a part of their jobs. . Hand-operated metal shifting ropes or cables of electric elevators. 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. a.311 Should he use an extension cord to power it? A. wrap tape around the damaged spot to prevent electrical shocks. Potential hazards of electricity are preventable if you do which of the following listed below? 4,600. 0000421627 00000 n 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). Metal partitions, grill work, and similar metal enclosures around equipment of over 1kV between conductors. b.The tool's power cord. c.Guaranteed Fault Circuit Interrupter 1. 1.Fingernails 1. Electrical Safety Standards in the Workplace - NFPA 70E - Grainger KnowHow %PDF-1.4 % Protection is lost because it will not trip when the system's load has been exceeded. a) Ensure overhead power line safety CCOHS: Electrical Safety - Basic Information A fault occurred, and with no grounding and no GFCI protection, the worker was electrocuted. trailer OSHA: Air Monitoring & Medical Surveillance, 5 ANO - RETOMANDO ARTIGO, SUBSTANTIVO E ADJE. 3.ack of ground fault protection. d. No, because an extension cord would not provide enough power. 5.Twitch, Electrical shock may result in: (D) None of the above. The following are electrical hazards: Shock. 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. Quiz Question 10: Ground-fault circuit interrupters must be used for all of the following except? Electric current cannot exist without an unbroken path to and from the conductor. Using cords or tools with worn insulation or exposed wires. Electrical hazards like frayed cords, missing ground pins, improper wiring or the harm that these hazards pose. b.Rod The first worker knocked the auger off the victim, but saw that the electric cord was wrapped around the victim's thigh. using a 30-amp breaker in a system with 15- or 20-amp receptacles. Electricity for power tools was supplied from an exterior 120-volt, grounded AC receptacle located at the back of the residence. Question 2: Which of the following is NOT a category of electrical burns? (C) Hot sticks. 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? When does electricity become hazardous to humans? Electricity must follow an uninterrupted loop from the power source to the equipment and back to the power source or ________. PDF ODULE 1 INTRODUCTION TO E SAFETY - Occupational Safety and Health 0000001116 00000 n [Power Tools]. 1.Using a fiberglass ladder when the possibility exists for contact with electricity. (B) Switch sticks. The pole had not been inspected by the city and was not in compliance with code requirements (it was not grounded). 0000420277 00000 n 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. 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. 0000004686 00000 n OSHA: Electrical Hazards Flashcards | Quizlet It is important to note that NFPA 70E is a . The individual's perspiration-soaked clothing/body contacted bare exposed conductors on one of the cords, causing an electrocution. 0000002385 00000 n 4. 0 Quiz Question 2: Which is acceptable when using powdered tools? The contact lasts for 5 seconds before someone is able to shut off the power. Use only cords, connection devices, and fittings that are equipped with strain relief. (3,2,1), (5,4,3). ZR)!=w|; @uT C0? Quiz Question 3: Power cords can be damaged by which of the following? b.A fast-acting switch monitoring current flow 0000002479 00000 n Electrocution was the second leading cause of worker deaths on construction sites in the United States in 2011. Fire OSHA requires the testing of a volt meter after a voltage test on voltage above_____. Select the correct answer and then click DONE. 1.Missing Quiz Question 6: Which of these is not a type of Ground Fault Circuit Adapter? startxref Flexible Cord Not 3-Wire, Hard Service Variety: A worker received a fatal shock when he was cutting drywall with a metal casing router. 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. What do tripped circuit breakers and blown fuses indicate? PDF Electrical Hazards - Occupational Safety and Health Administration 1 0 obj 3.Maintaining a safe distance of at least 10 feet from all overhead power lines. One worker, holding the deadman's switch, received a shock from a ground fault in the auger and was knocked back from the machine. She has an older drill with a steel housing and a 3-prong plug. 2.Is working properly Select the correct answer and then click DONE. b.Not wearing insulating shoes or boots when she was handling electrical equipment Best practices with power lines include: Osha 10 test answers 2021 quizlet - Math Questions Which of the following are conductor of electricity? Other protective measures include guarding or insulating the lines. The following references aid in recognizing hazards associated with electrical work. Overhead and buried power lines at your site are especially hazardous because they carry extremely high voltage. 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 a.Conductive objects <> This is action is also known as creating or completing an electrical circuit. 0000001896 00000 n lex has set up a mobile engine testing station in the maintenance area. No GFCI's were used. 1. In addition to contact with power lines, the top electrical hazards include: If a worker has been retaliated against for using their rights, they x_HSqnwmky54YLzeStJi# TZObFT*.#BQF/Q Use only extension cords that are 3-wire type. Explain the purpose and use of the MyPlate symbol. Draw a line from the item on the left that corresponds to the match on the right. Is the west coast of Africa a plate boundary? 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. This caused him to fall from the ladder and land in a puddle of water, still holding the saw. 0000003715 00000 n Looking for NFPA 70E Certification? When he grasped the handle of the bucket to pull it down, the crane cable came into contact with the overhead line. One handle has a deadman's switch. Isolating, Power lines may be located underground. d. heart attacks. 3 0 obj Best Practices with Power Lines Quiz OSHA 30 - Best Question 4: When a worker receives an electric shock, first aid must start within ___________ minutes. 3.Vapor a. Gaseous matter 2.Complete BIOLOGICAL HAZARDS: term effects) and strain (longAssociated with working with animals, people, or infectious plant materials. PDF Name: Date: Test Electrical Safety Quiz SELECT THE BEST ANSWER. The normal wear and tear on extension and flexible cords at your site can loosen or expose wires, creating hazardous conditions. d. 411, You are working with a 10-foot section of a conductive pipe near power lines. D. Have an ANSI sticker and an expiration date. Electrical Hazards - SSOE Group c) Age Quiz Question 5: A/an ___________ is a unit of measurement for electrical resistance. I;C`_;LV'd,|#H--e`( ')'RpAgA7O`?%68SB To be safe, you must think about your job and plan for hazards. 1. -Grounding= a conductive connection to the earth which acts as a protective measure. g]+fn_m{mja_0Y w endstream endobj 189 0 obj <> endobj 190 0 obj <>stream Both the operator and the victim failed to notice that the boom had contacted a 2,400-volt overhead power line. C. near water. The victim collapsed into the lake and sank 4-1/2 feet to the bottom. Lockout/tagout procedures. This may damage your equipment and cause employee injuries. Select the correct answer and then click DONE. Electrical safety requirements necessary for the practical safeguarding of employees in the workplace. When the energized conductor made contact with the ladder, the path to ground included the worker's body, resulting in death. He may have dropped the extension cord at the site and not heard the connector break. The auger then fell across the other worker, the 24-year-old victim. 2.Flooding xYmo -ER/&@[D,_! 0000001672 00000 n 2.Loss of muscle control Apply a warning tag to any defective tool and do not use it until the problem has been corrected. <> Electrical Hazards Electrical hazards can be found in nearly every roofing work site. The victim was part of a crew that was constructing a concrete wall. The router's 3-wire power cord was spliced to a 2-wire cord and plug set which was not rated for hard service. 1. Fatal electrocution is the main risk, but burns and falls from elevations are also hazards. 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. 2.Using extension cords or electrical tools properly. Use tools and equipment according to the instructions included in their listing, labeling or certification. Equipment used in manner prescribed. Arc Flash. 0000005406 00000 n Visually inspect all electrical equipment before use. 0000068035 00000 n which of the following are electrical hazards osha quizlet A 56-year-old construction laborer was removing forms from a concrete wall poured several days earlier. %%EOF 0000010155 00000 n 0000009628 00000 n The ground wire was not attached on the male end of the cord's plug. Select the correct answer and then click DONE.