1.Using a fiberglass ladder when the possibility exists for contact with electricity. d.Constructive objects, Select all answers that apply to the following statement and then click DONE. c.Guaranteed Fault Circuit Interrupter Ground metal parts of the following non-electrical equipment, as specified by the OSHA standard [, Frames and tracks of electrically operated. q>NmnLNmb$"Iyx1bD9.~Ll. a. The first worker knocked the auger off the victim, but saw that the electric cord was wrapped around the victim's thigh. 3 0 obj <>/ExtGState<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 792 612] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> 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: 3. 30 days B. c.Touching the motor Question 1: Each year, approximately __________ workers suffer from electricity related injuries. b.Yes, because Bob was on . The victim provided a path to ground and was electrocuted. 2.Loose bolts s\A0W+ Take any defective equipment out of service. c.Wood 0000010155 00000 n Extension cords are used to: <> Does the fall qualify as an electrical accident? As he is working on the wiring, he receives an electrical shock that knocks him backward and causes him to fall off the ladder. The source of the shocks -- the saw -- was not replaced. Explosion. Quiz Question 4: Which is a preventive measure to prevent hazards while working with power lines? b.Yes, as it would be too expensive to install more permanent wiring and receptacles. Other protective measures include guarding or insulating the lines. 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 Select the correct answer and then click DONE. 0000007427 00000 n How fast would the ball be moving at the moment of release? Using a dry wood ladder when the possibility exists for contact with electricity. 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. 0 Apparently, his hand contracted and he was "locked" to the saw. 3.Body tissue A. wrap tape around the damaged spot to prevent electrical shocks. b.The tool's power cord. 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 Look for overhead power lines and buried power line indicators. Looking for NFPA 70E Certification? D. Have an ANSI sticker and an expiration date. Post warning signs. b.Not wearing insulating shoes or boots when she was handling electrical equipment How might this event affect the ability of animals to obtain energy to live? 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. Which of the following are caused by contact with electricity? [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. Select the correct answer and then click DONE. In which of the following workplace situations are you at risk for coming into contact with live electrical . -Glass. 0000422244 00000 n Electric current cannot exist without an unbroken path to and from the conductor. b.burns. 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. 2. a.Conductive objects c.40,000 volts 1.Is faulty %PDF-1.4 % 0000002195 00000 n a.Yes, because the electrical shock caused the fall. b.Electrical tools What is the primary purpose of properly grounding equipment? Select the correct answer and then click DONE. Know glove capability VS hazard anticipated (exposure to chemicals, heat, or flames). Select the choices that accurately define the common electrical term. Regarding hand protection employers should: A. 2. It is important to note that NFPA 70E is a . . (A) Shotgun sticks. Underground electrical hazards are: A. When inspecting extension cords, look for: Draw a line from the item on the left that corresponds to the match on the right. Select the correct answer and then click DONE. g]+fn_m{mja_0Y w endstream endobj 189 0 obj <> endobj 190 0 obj <>stream Additionally, the ground prongs were missing from the two cords. Safe operation of hand and portable powered tools and other hand-held equipment. 1. 0000001116 00000 n 4.Organs, The presence of ________ can turn you, your equipment, or insulators like wood into conductors. endobj 3.When you are using portable power tools The \rule{1cm}{1pt} artery carries deoxygenated blood from the heart to the lungs. Use non-conductive wood or fiberglass ladders when working near power lines. endobj 0000004884 00000 n He may have dropped the extension cord at the site and not heard the connector break. 4.Good condition of moveable parts, Items that could encourage overheating and cause tools to malfunction or start a fire include: 0000419562 00000 n 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. b.10 feet Flexible Cord Not 3-Wire, Hard Service Variety: A worker received a fatal shock when he was cutting drywall with a metal casing router. b. Lockout/tagout procedures. Provide a safe path to earth ground for electricity. OSHA: Air Monitoring & Medical Surveillance, WebQuest: Biomes, Ecosystems and Habitats. 0000420887 00000 n What is the output of the program in Exercise 17, if first = 26 and second = 8? c.Absorb any water around the area The auger has a one-quarter horsepower motor encased in a metal housing with two handles. 0000002122 00000 n 4 0 obj 2.Flooding She has an older drill with a steel housing and a 3-prong plug. Question 3: Employers are not required to enforce lock out/tag out practices in the workplaces. 3.Clear 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. [Flexible Cords and Power Tools]. This is action is also known as creating or completing an electrical circuit. 0000028595 00000 n Provides information about the hazards that electrical workers may experience as a part of their jobs. 0000012360 00000 n Use only equipment that is approved to meet OSHA standards. If a worker has been retaliated against for using their rights, they You discover the electrical cord on a drill has been damaged and some of the cord's insulation is missing. 5. 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 . The length of time the body is in the circuit, in contact with electricity - Factor determining the severity of an electrical . When it completes a circuit through the body. OSHA 10 - Exit Routes, Emergency Action Plans, The Analysis and Design of Linear Circuits, Albert J. Rosa, Gregory J. Toussaint, Roland E. Thomas. d.Water, Other electrical hazards in the workplace include: Examples of Equipment That Can Contact Power Lines. -Severe skin burns. Quiz Question 1: Which of the following is not a category of electrical burns? Select the correct answer and then click DONE. 1. The light fixture, which served as a ground, was known to be faulty for at least 5 months before the incident. Attaching ungrounded, two-prong adapter plugs to three-prong cords and tools. 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. Get resources on specific hazards and their control, including identification, risk assessment and inspections, to keep your workplace healthy and safe. d.50,000 volts. Electricity to the auger was supplied by a series of 50-foot extension cords running to an adjacent property. 3.Maintaining a safe distance of at least 10 feet from all overhead power lines. 0000008392 00000 n 3. Question 2: Which of the following are ways employers must protect their employees on the workplace? To be safe, you must think about your job and plan for hazards. Then answer the questions below. Best Practices with Power Lines 1. When an electric shock occurs, your muscles may: Should Ajay use a GFCI? 0000002876 00000 n Which of these can be used as insulating live-line tools for electrical protection. gYpV:+ On the day of the incident, the victim plugged in a damaged extension cord and laid it out towards the bulkhead. Muscular contraction and nerve damage occur; death likely. 1452 0 obj <> endobj Extension cords had poor splices, no grounds, and reversed polarity. -Rubber. 0000013999 00000 n xb```VVF A10p,``Pp`hhdpn``r`L:[ I,aZ4Knj21 `ny; Ge7t@OrMx)"cx&e:[~J%aUJ\*t 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. 4.Running through doorways. A 120v. 0000001814 00000 n c.Power lines % %%EOF lb MKS 0000011060 00000 n 0000002386 00000 n One hand drill was not grounded, and the other had no safety plate. Death. No GFCI's were used. [, Do not modify cords or use them incorrectly. Even when the power system is properly grounded, electrical equipment can instantly change from safe to hazardous because of extreme conditions and rough treatment. 0000002150 00000 n 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. As he is working on the wiring, he receives an electrical shock that knocks him backward and causes him to fall off the ladder. 2.Grounding You need to evaluate the situation you are in and assess your . 2.Grease This may damage your equipment and cause employee injuries. [Power Tools]. OSHA Safety and Health Topics Page. Extension cords may become a trip hazard when: 0000004208 00000 n Both could have prevented the accident from occuring. uVNSF!UTRQ91uR,6@hCH}]GAlaPh)NeT$iQ89S9|?4wahU ltz9 PH[$I&VX9WG%K~1{u8M:D"+HLEy 3@NR^z!rB^?RyOj;'Lof. 1.Cuts Besides personal bodily injury, what other electrical hazards can be found in the workplace? [29 CFR 1926.416(a)(1)]. 1 0 obj OSHA requires the testing of a volt meter after a voltage test on voltage above_____. 4.Flex d.Metal, Over half of all deaths caused by electricity result from contact with ________. 0000005734 00000 n The victim signaled the operator of the crane to extend the boom and lower the hoist cable. 1.A source of electrical current to flow. Unless you know otherwise, assume that overhead lines are energized. a.Yes, as it is a mobile engine testing station. a.Two-prong plug The scaffold had been constructed only 21 horizontal inches across from a 7,620-volt power line. 1. A) 120v . 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. a.related to muscle damage. A co-worker disconnected the power cord to the saw, too late to save the victim. h|UnH}+i-. The pole had not been inspected by the city and was not in compliance with code requirements (it was not grounded). Two of the extension cords had no ground prongs, and some of them were repaired with electrical tape. RZyd Electrical Safety Quiz Electrical safety is an important topic that you and your workers need to know about. 3.Tears D 600v. 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 3.Something that causes current to flow through the . 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. 0000005520 00000 n Electricity becomes hazardous when it takes an unintended path to complete the ________. When current travels through your body - Definition of electric shock. Stay at least 10 feet away from overhead power lines. Electricity will form a "path" or "loop". Electrical current travels through insulated ________. 0000010603 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). Of the following choices, which are frequent electrical hazards View Best Practices with Power Lines Quiz OSHA 30.docx from OSHA 30 at Columbia Southern University. Noise, : ________ or heavy perspiration can cause electricity to take an unintended path. Ground all exposed metal parts of equipment. 0000004965 00000 n 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 2.Complete 0000056642 00000 n Quiz: Electrical Hazards. Continually audit cords on-site. (D) None of the above. The victim was totally deaf in one ear and suffered diminished hearing in the other. 0000089142 00000 n 1. Potential hazards of electricity are preventable if you do which of the following listed below? 3.Loss of eyesight 0000022637 00000 n Which of the following are insulators of electricity? d. Not checking to make sure that the motor was properly grounded, If the circuit does not turn off when testing the GFCI, the GFCI: b. Deductive objects 0000005050 00000 n [. Fatal electrocution is the main risk, but burns and falls from elevations are also hazards. 1.Is firmly connected 2.Loose screws 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 De-energize and ground lines when working near them. 1.Fingernails %PDF-1.4 % 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. 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). The individual's perspiration-soaked clothing/body contacted bare exposed conductors on one of the cords, causing an electrocution. b.30,000 volts As he removed the forms, he wrapped them with a length of cable called a choker, which was to be attached to a crane. %PDF-1.4 % 0000108653 00000 n The accident site was wet; also, humidity was high and the victim was sweating. Before using the equipment, be sure that the ground wire: 1. Used across walkways. As she is adding in the chemicals, her hand touches the motor and it becomes energized. 0000421920 00000 n 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. She finds several available in the shop. He plans to use it over a period of at least six months. -Falls. <<7628BB2D46738F42B2FC6393656F4718>]>> 0000002385 00000 n c. Match the color of the tool to the color of the extension cord. BE SAFE! Using the wrong light bulb wattage; Overloading power strips and outlets; Unprotected electrical outlets; Poor wiring; Defective electrical wires Ajay needs to use a dewatering pump to drain standing water on a construction site. b+t6W' te+.W_{8u7Dt@1c. Use only extension cords that are marked with a designation code for hard or extra-hard usage. d.The body of the power tool. 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. What is the most common, non-fatal, electrical shock-related injury? The victim collapsed into the lake and sank 4-1/2 feet to the bottom. The floor is covered in water and she is barefoot. a. 3.Loose nuts Short In Power Saw/Ungrounded Temporary Power Supply: On July 10, 1986, a 22-year-old carpenter was working at the construction site of large apartment complex, using a portable electric saw to construct the wooden framework of a laundry building. A) Identify; Castigate; C) Evaluate; D) Modify; 3. 5.Twitch, Electrical shock may result in: If a defective power tool gives you an electric shock, how might your muscles react? When he grasped the handle of the bucket to pull it down, the crane cable came into contact with the overhead line. It's okay to use extension cords with worn insulation, as . 2.Is working properly % You should? c.15 feet What three things must be present for a current to flow through a conductor. 4. Identify the oxidizing and reducing agents. Electricity for power tools was supplied from an exterior 120-volt, grounded AC receptacle located at the back of the residence. Select the correct answer and then click DONE. 0000004946 00000 n 4.Cardiac arrest 0000017336 00000 n Quiz Question 6: Which of these is not a type of Ground Fault Circuit Adapter? [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. Frames of non-electrically driven elevator cars to which electric conductors are attached. 1.When you are using electricity near water Using modified cords or tools, e.g., removing ground prongs, face plates, insulation, etc. Explain the process that prevents the poles from steadily cooling off and the tropics from heating up over time. d) All of the above. (a) Describe the reaction between the hydride ion and water in terms of a Bronsted acid-base reaction. Question 4: When a worker receives an electric shock, first aid must start within ___________ minutes. gYpV:+ 0000005042 00000 n Electricity must follow an uninterrupted loop from the power source to the equipment and back to the power source or ________. Question 3: A/an ____________ is a unit of measurement for electrical resistance. 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. View Answer Answer: 600v 4 . A 56-year-old construction laborer was removing forms from a concrete wall poured several days earlier. One worker, holding the deadman's switch, received a shock from a ground fault in the auger and was knocked back from the machine. _5JKy. 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. The following are electrical hazards: Shock. 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. 3.Vapor b) Staples 0000003900 00000 n 4. endobj <> hb``b``=p0X8n0lY0L#rK[V26h* @0H!XDl+!&FfUfo`h6l Question 2: It's okay to use extension cords with worn insulation, as long as you are careful about it. 1.Damaged cover or insulation Call ________ prior to digging to be connected with your local One Call Center to have all underground lines located by the utility company. When selecting the right extension cord, a good rule of thumb is to match the thickness of the extension cord to the thickness of: c. No, because the electricity is needed on a long-term basis. Ground all power supply systems, electrical circuits, and electrical equipment. 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). Exercise their rights under the law without retaliation, including reporting an injury or raising health and safety concerns with their employer or OSHA. One handle has a deadman's switch. Engineers, electricians, and other professionals work with electricity directly, including working on overhead lines, cable harnesses, and circuit assemblies. Electricity to operate portable power tools was supplied by a temporary service pole 50 feet away. b.Rod Which of the following can be caused by exposure to an arc flash? What do tripped circuit breakers and blown fuses indicate? 2. Should he use an extension cord to power it? The contact lasts for 5 seconds before someone is able to shut off the power. 2. What was Latoya's first mistake? Computers 0000024814 00000 n 0000002479 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`! -Grounding= a conductive connection to the earth which acts as a protective measure. using a 30-amp breaker in a system with 15- or 20-amp receptacles. d. Match the outlet prongs to the extension cord. 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. How will she choose the correct cord? D. Communicate the hazard to the crew and subs, use signs and bar E. Both C and D Q22. Remove from service any equipment with frayed cords, missing ground prongs, cracked tool casings, etc. -Conductor= permits the free flow of electricity. lex has set up a mobile engine testing station in the maintenance area. b. Hand-operated metal shifting ropes or cables of electric elevators. 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. |tYny@YE>LkNj4-czZf"Usw>j\sv3fn},>},KeA s C. near water. 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. SCENARIO: You encounter a co-worker on a residential remodeling job. 4,600. Is split 0000009628 00000 n Explosion 0000068035 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. 1.Extension cords (See NFPA 70E-2021 Article 130 and OSHA subpart S part . Outlets Question 3: If following lock out/tag out procedures, what step should be taken BEFORE you shut down the equipment? D. near other electrical equipment. Using equipment outdoors that is labeled for use only in dry, indoor locations. Be sure equipment that has been shop fabricated or altered is in compliance. 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. Among all of the safety measures that can and should be used to prevent electrical shock, which one is the most essential? Use only extension cords that are 3-wire type. a) Ensure overhead power line safety OSHA 29 CFR 1910, Subpart P . 2.Something to transport the electrical current -- A conductor. The most dangerous place to use electrical equipment is? 0000007116 00000 n a.Standing in water Determine duration, frequency, degree of exposure to hazards and physical stress. a.Ground Fault Circuit Insulator Select the correct answer and then click DONE. A measure of the energy of motion of the particles in a substance is its _____. Explain the purpose and use of the MyPlate symbol. Question 1: Which of these is a type of Ground Fault Circuit Adapter? Using cords or tools with worn insulation or exposed wires. These short objective type questions with answers are very important for competitive exams as well as Board exams. The small electrical current enters his body through his left leg. 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. 0000005632 00000 n qnde>9!.,T2 :hw5 #OaPxkx=y7]J-yv*'H$jmVCq$ sx:R2$9SY+D!!LJ:n+.\#Hu~2VI O? Overhead and buried power lines at your site are especially hazardous because they carry extremely high voltage. Freeze Use tools and equipment according to the instructions included in their listing, labeling or certification. d. No, because an extension cord would not provide enough power. 2. c) Establish and enact an assured equipment grounding conductor program (AEGCP) Study with Quizlet and memorize flashcards containing terms like Bob is asked to repair some overhead wiring, requiring the use a ladder. The source of the electricity was apparently a short in a receptacle, but examination revealed that the electrical equipment used by the contractor was in such poor condition that it was impossible to make a certain determination of the source of the short. Burns. A worker was operating a " electric chisel when an electrical fault occurred in the casing of the tool, causing him to be fatally electrocuted. 4. d. 20 feet. To verify an electrically safe work condition, all these conditions should be confirmed EXCEPT: Effective training of employees includes all of the following EXCEPT: How to operate power tools in wet conditions. Leaving or using electrical appliances near water - As electric current is transmitted faster in on wet surfaces, you stand a chance of getting an electric shock. Select the correct answer and then click on DONE. 2.Yes, because he is using a portable power tool. :$#k9BPnZ{Qqe/reKy,'ZlB# [, Use all equipment according to the manufacturer's instructions. The modification of the plug was not an intended use or prescribed by the manufacturer. Electrical hazards like frayed cords, missing ground pins, improper wiring or the harm that these hazards pose. 128 0 obj <> endobj xref 128 26 0000000016 00000 n -Current= the movement of electrical charge. Electrical Contractors Industry. Carly needs to use an extension cord with her corded nail gun. 0000003603 00000 n <> !DP#vr-\DM<6V-2'I5l6)Z@^m=}c3-aUOo6rr V-Y3d6HABmjD $TQCvK*eg&|Y596#H\ 0000001896 00000 n The insulation on the extension cord was cut through and exposed bare, energized conductors which made contact with the ladder. b.A fast-acting switch monitoring current flow Improper Use of Extension and Flexible Cords. a.20,000 volts Using multi-receptacle boxes designed to be. 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. Electrocution was the second leading cause of worker deaths on construction sites in the United States in 2011. 4.Dirt build-up, Use only approved and authorized power tools in areas where the following hazards may be present: Equipment used in manner prescribed. Select the correct answer and then click DONE. d.Adapter, What is a GFCI? 2. Study with Quizlet and memorize flashcards containing terms like Among all of the safety measures that can and should be used to prevent electrical shock, which one is the most essential?, 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., When does electricity become hazardous to humans? 0000007464 00000 n (B) Switch sticks. 0000004444 00000 n The following references aid in recognizing hazards associated with electrical work. 0000003413 00000 n 4.Must be replaced, Always use a GFCI: The router's 3-wire power cord was spliced to a 2-wire cord and plug set which was not rated for hard service. In 2017, there were over ______________ electrical related violations cited by OSHA in the workplace. Which of the following can be the result of electric shock? 0000108920 00000 n 0000000816 00000 n Hazards are created when cords, cord connectors, receptacles, and cord- and plug connected equipment are improperly used and maintained. d) All of the above. a) Door or window edges 3. 4.Combustible dust, Fundamentals of Engineering Economic Analysis, David Besanko, Mark Shanley, Scott Schaefer. The workers had removed their shirts and were sweating. Select the correct answer and then click DONE. 3.The length of time the body is in contact with electricity 0000004921 00000 n b.Metal 0000001604 00000 n and more. 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. The factors that determine the severity of an electrical injury include: 0000002403 00000 n OSHA 10 General Industry Topic Exams Answer Key TOPIC EXAM 1: INTRO TO OSHA 1. Visually inspect all electrical equipment before use. %PDF-1.5 Frequently inspect electrical systems to insure that the path to ground is continuous. Switch 4.No, because he does not need to use an extension cord. The workers administered CPR to the victim, but to no avail. (C) Hot sticks. 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. 3.Needs to be reset When the energized conductor made contact with the ladder, the path to ground included the worker's body, resulting in death.
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