c. Inductive objects The source of the shocks -- the saw -- was not replaced. Dust 0000015549 00000 n 0000004921 00000 n Bob is asked to repair some overhead wiring, requiring the use a ladder. 0000004946 00000 n When selecting the right extension cord, a good rule of thumb is to match the thickness of the extension cord to the thickness of: 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. Should Ajay use a GFCI? 30 days B. The contact lasts for 5 seconds before someone is able to shut off the power. 2.Using an aluminum ladder when the possibility exists for contact with electricity. Seven employees of a masonry company were erecting a brick wall from a tubular, welded-frame scaffold approximately 24 feet high. OSHA: Air Monitoring & Medical Surveillance, WebQuest: Biomes, Ecosystems and Habitats. 0000004444 00000 n HWMo#7v#h>6,Z4- When the energized conductor made contact with the ladder, the path to ground included the worker's body, resulting in death. 0000108653 00000 n Continually audit cords on-site. A. indoors. 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. Electrocution was the second leading cause of worker deaths on construction sites in the United States in 2011. b.burns. Examples Of Electrical Hazards. Which of these can be used as insulating live-line tools for electrical protection. 4.No, because he does not need to use an extension cord. 0000108920 00000 n 0000001861 00000 n Other protective measures include guarding or insulating the lines. OSHA 10 General Industry Topic Exams Answer Key TOPIC EXAM 1: INTRO TO OSHA 1. Select the correct answer and then click DONE. b.Shut off power within five minutes of the imbalance 0000000816 00000 n When used on the moon? endobj She has an older drill with a steel housing and a 3-prong plug. Exercise their rights under the law without retaliation, including reporting an injury or raising health and safety concerns with their employer or OSHA. This may damage your equipment and cause employee injuries. Supply power for tools or equipment on a long-term basis. 3. 0000414648 00000 n 2.Grease D. near other electrical equipment. You should? 0000017163 00000 n 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). 0000005734 00000 n d.Add more outlets. b.The tool's power cord. c) Establish and enact an assured equipment grounding conductor program (AEGCP) Most of the hydrides of Group 1A and Group 2A metals are ionic. 0000422244 00000 n Which of the following are insulators of electricity? Frames of non-electrically driven elevator cars to which electric conductors are attached. d.Constructive objects, Select all answers that apply to the following statement and then click DONE. 2.Loss of muscle control The pole had not been inspected by the city and was not in compliance with code requirements (it was not grounded). startxref Death is probable. [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. -Conductor= permits the free flow of electricity. The normal wear and tear on extension and flexible cords at your site can loosen or expose wires, creating hazardous conditions. Take any defective equipment out of service. Which of the following factors determine how severe an electrical injury might be? Find the volume of the parallelepiped determined by the vertices (1,1,1),(4,7,2) . Apparently, his hand contracted and he was "locked" to the saw. Do not remove ground prongs from cord- and plug-connected equipment or extension cords. Carly needs to use an extension cord with her corded nail gun. 0000007694 00000 n 2. Even when the power system is properly grounded, electrical equipment can instantly change from safe to hazardous because of extreme conditions and rough treatment. What was Latoya's first mistake? Before using the equipment, be sure that the ground wire: 4. Using the wrong light bulb wattage; Overloading power strips and outlets; Unprotected electrical outlets; Poor wiring; Defective electrical wires 5 feet Two of the extension cords had no ground prongs, and some of them were repaired with electrical tape. Regarding hand protection employers should: A. When does electricity become hazardous to humans? Which of the following are insulators of electricity? Intentionally creating a low-resistance path that connects to the earth. Which of the following injuries can occur when muscles flex or twitch from an electrical shock? 4.Organs, The presence of ________ can turn you, your equipment, or insulators like wood into conductors. Follow manufacturers' recommended testing procedure to insure GFCI is working correctly. 2. You need to evaluate the situation you are in and assess your . RZyd 4. B 208v. 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 The workers had removed their shirts and were sweating. s\A0W+ 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. Call ________ prior to digging to be connected with your local One Call Center to have all underground lines located by the utility company. The ________ keeps the electricity on its intended path through the conductor. % d) All of the above. 3. and more. 0000004208 00000 n 0 The individual's perspiration-soaked clothing/body contacted bare exposed conductors on one of the cords, causing an electrocution. Select the correct answer and then click DONE. A Safety Electrical One Line Diagram should be used to _____ all sources of electrical energy. D. Have an ANSI sticker and an expiration date. Study with Quizlet and memorize flashcards containing terms like Bob is asked to repair some overhead wiring, requiring the use a ladder. specifically addresses electrical protective devices. 1.Clench c.Wood Electricity becomes hazardous when it takes an unintended path to complete the ________. d. heart attacks. *Effects are for voltages less than about 600 volts. 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 0000420887 00000 n The length of time the body is in the circuit, in contact with electricity - Factor determining the severity of an electrical . |tYny@YE>LkNj4-czZf"Usw>j\sv3fn},>},KeA s While attempting to unplug the compressor from the extension cord, the employee was fatally shocked. Which group would be more accurate when used in an accelerating spaceship? 0000001646 00000 n Which one of these methods MOST effectively protects machines, tools, and operators against damage from electrical current? Additionally, the ground prong was missing and there was no GFCI protection. 2.Is working properly 0000000016 00000 n 0000421920 00000 n (3,2,1), (5,4,3). Burns. 0000003715 00000 n 4.Dirt build-up, Use only approved and authorized power tools in areas where the following hazards may be present: 3. %PDF-1.4 % A 56-year-old construction laborer was removing forms from a concrete wall poured several days earlier. 1.Pain c.911 a) Ensure overhead power line safety 1452 0 obj <> endobj As the victim climbed down a makeshift ladder, he shifted the saw from his right hand to his left, and was shocked. Use only extension cords that are 3-wire type. 0000002150 00000 n -Voltage= a measure of electrical force. The auger then fell across the other worker, the 24-year-old victim. d.Water, Other electrical hazards in the workplace include: Engineers, electricians, and other professionals work with electricity directly, including working on overhead lines, cable harnesses, and circuit assemblies. How fast would the ball be moving at the moment of release? If the electrical conductors become exposed, there is a danger of shocks, burns, or fire. 182 0 obj <> endobj xref 182 41 0000000016 00000 n 0000003640 00000 n Question 3: Employers are not required to enforce lock out/tag out practices in the workplaces. . !DP#vr-\DM<6V-2'I5l6)Z@^m=}c3-aUOo6rr V-Y3d6HABmjD $TQCvK*eg&|Y596#H\ Potential hazards of electricity are preventable if you: Electricity must always travel in a(n) ________, ________ circuit. Find the energy required to raise an electron from the n=4n=4n=4 state to the n=5n=5n=5 state in Li2+\mathrm{Li}^{2+}Li2+ and in hydrogen atom. 0000002876 00000 n qnde>9!.,T2 :hw5 #OaPxkx=y7]J-yv*'H$jmVCq$ sx:R2$9SY+D!!LJ:n+.\#Hu~2VI O? These short objective type questions with answers are very important for competitive exams as well as Board exams. A fan connected to a 120-volt electrical system via an extension cord provided ventilation for a worker performing a chipping operation from an aluminum stepladder. Using cords or tools with worn insulation or exposed wires. Then answer the questions below. Explain the purpose and use of the MyPlate symbol. vpfuI)],s 3 0 obj (C) Hot sticks. Quiz Question 5: A/an ___________ is a unit of measurement for electrical resistance. <> 2.Flooding The router's 3-wire power cord was spliced to a 2-wire cord and plug set which was not rated for hard service. When an electric shock occurs, your muscles may: -Wood. 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. 1.Cuts d. 411, You are working with a 10-foot section of a conductive pipe near power lines. 0000005050 00000 n Select the correct answer and then click DONE. c. Match the color of the tool to the color of the extension cord. 3.Cramp 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 One handle has a deadman's switch. Wearing a baseball cap Is not broken, Question Text: Electrical tools should be grounded with a(n)________. 4. OSHA Pros, LLC is an authorized provider of 360 Training, an OSHA-Accepted Provider, offering training and certification courses for NFPA 70E-Standard, and Extension cords may become a trip hazard when: Check your employee's electrical safety knowledge through an electrical safety quiz. View Answer Answer: 600v 4 . Quiz Question 2: Which is acceptable when using powdered tools? c.A measurement of electricity A worker was removing a metal antenna when it made electrical contact with a 7200-volt power transmission line. Used across walkways. 0000002386 00000 n 2.The person's physical condition 0000002195 00000 n Select the correct answer and then click DONE. Quiz Question 1: Which of the following is not a category of electrical burns? d.Adapter, What is a GFCI? Using equipment outdoors that is labeled for use only in dry, indoor locations. Power was supplied through two extension cords from a nearby residence. Best practices with power lines include: c. Extend the reach of the power tool. 2 0 obj ZR)!=w|; @uT C0? Question 1: Which of these is a type of Ground Fault Circuit Adapter? (E) a, b, and c. 2. Which of the following are caused by contact with electricity? A) 120v . As he removed the forms, he wrapped them with a length of cable called a choker, which was to be attached to a crane. Does the fall qualify as an electrical accident? 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. 4.Circuit breakers, When inspecting power tools, look for: h|UnH}+i-. Overview. Contact utilities for buried power line locations. Noise, : ________ or heavy perspiration can cause electricity to take an unintended path. d. 20 feet. 0000001495 00000 n 1 0 obj 0000022637 00000 n 3. What do tripped circuit breakers and blown fuses indicate? Explosion 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. OSHA CONSTRUCTION FINAL EXAM Question and Answer Part 10. ly/homeo3b700 Which of the following is a resource within the. Protection is lost because it will not trip when the system's load has been exceeded. 0000017336 00000 n a.Standing in water b.Yes, because Bob was on . xYmo -ER/&@[D,_! Electrical safety requirements necessary for the practical safeguarding of employees in the workplace. 3.Loss of eyesight (b) The same reaction can also be classified as a redox reaction. C 277v. B. Quiz Question 7: Which is not an insulator? 0000004686 00000 n 0000007741 00000 n 2. 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. 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. The small electrical current enters his body through his left leg. b. d. Match the outlet prongs to the extension cord. a.311 A 20-year-old bricklayer standing on the work platform in contact with the main scaffold was electrocuted. On the day of the incident, the victim plugged in a damaged extension cord and laid it out towards the bulkhead. Extension cords had poor splices, no grounds, and reversed polarity. -Glass. Fire q>NmnLNmb$"Iyx1bD9.~Ll. 0000007116 00000 n 128 0 obj <> endobj xref 128 26 0000000016 00000 n Question 2: It's okay to use extension cords with worn insulation, as long as you are careful about it. 2. The NEC C. Suggestions Electricity to the auger was supplied by a series of 50-foot extension cords running to an adjacent property. 3. b) Staples The presence of ______ can turn you, your equipment, or insulators like wood, into conductors. OSHA 29 CFR 1910, Subpart P . Select the correct answer and then click DONE. a.Electricity Many workers are unaware of the potential electrical hazards present in their work environment, which makes them more vulnerable to the danger of electrocution. Which of the following can be caused by exposure to an arc flash? The most dangerous place to use electrical equipment is? 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 workers administered CPR to the victim, but to no avail. Additionally, the ground prongs were missing from the two cords. @*@;z}IAH@3MsgU1Dnf@agLahpCn@&b|-^;b0k*!3VYy,jy%( Z%|\Jg"dRp-Wbz3QJS%k9p_WtZ If you are touching any grounded material while using a power tool 4.Running through doorways. D 600v. Study with Quizlet and memorize flashcards containing terms like OSHA's electrical standards are based on: A. ANSI standards B. OSHA 29 CFR 1910, Subpart S . -If current passes through the body near the heart or brain. 0000003900 00000 n trailer <]/Prev 500768/XRefStm 1495>> startxref 0 %%EOF 222 0 obj <>stream Using circuit breakers or fuses with the wrong rating for over-current protection, e.g. 1476 0 obj <>stream 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. Examples of Equipment That Can Contact Power Lines. 4.Cardiac arrest When the victim reached down to connect the choker to the hoist cable, he suddenly collapsed. 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). -Falls. Additional minimum clearance distance is required for power lines carrying over ________. using a 30-amp breaker in a system with 15- or 20-amp receptacles. 1.When you are using electricity near water 4 0 obj True. b.A fast-acting switch monitoring current flow 0000002122 00000 n Electrical Safety Quiz Electrical safety is an important topic that you and your workers need to know about. gYpV:+ Test your knowledge with our electrical safety quiz below. Quiz Question 6: Which of these is not a type of Ground Fault Circuit Adapter? An employee was texturing a wall using an air compressor. ( <> 1.Using a fiberglass ladder when the possibility exists for contact with electricity. Dirk, a 28-year-old mechanic, is performing maintenance on a piece of equipment when he is shocked. 1 0 obj When inspecting extension cords, look for: c) Age Reportedly, he was shocked throughout the morning, and he had replaced one of the extension cords in an effort to eliminate the shocks. 0000056642 00000 n 0000021516 00000 n -Damage to internal organs. a.Supply power for tools or equipment on a temporary or short-term basis. The \rule{1cm}{1pt} artery carries deoxygenated blood from the heart to the lungs. Draw a line from the item on the left that corresponds to the match on the right. d. Power outlets, ________ are anything that can transmit electrical current. Ajay needs to use a dewatering pump to drain standing water on a construction site. 2 0 obj OSHA 10 General Industry Test Answer Key WALKING. a) Door or window edges 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. Using tools and equipment that can contact power lines increases the risk. 3.Something that causes current to flow through the . If a worker has been retaliated against for using their rights, they [. 1.Flammable liquids 0000009628 00000 n The victim was totally deaf in one ear and suffered diminished hearing in the other. (A) Shotgun sticks. Does the fall qualify as an electrical accident? _.9u'2G_0 Ue]e"x5|Y 1. b. (B) Switch sticks. Arc Flash. c.Absorb any water around the area <>>> 3.Draped over equipment. The victim collapsed into the lake and sank 4-1/2 feet to the bottom. xb```VVF A10p,``Pp`hhdpn``r`L:[ I,aZ4Knj21 `ny; Ge7t@OrMx)"cx&e:[~J%aUJ\*t c.Touching the motor Know glove capability VS hazard anticipated (exposure to chemicals, heat, or flames). OSHA: Air Monitoring & Medical Surveillance, 5 ANO - RETOMANDO ARTIGO, SUBSTANTIVO E ADJE. b.Ground Fault Critical Interrupter 2.Grounding OSHA requires the testing of a volt meter after a voltage test on voltage above_____. 4. The victim provided a path to ground and was electrocuted. 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. d.Alert workers of any water in the area, GFCI is an acronym for: 0000420564 00000 n a. Select the correct answer and then click DONE. -Current= the movement of electrical charge. 0000006152 00000 n 0000007464 00000 n Select the choices that accurately define the common electrical term. Electrical safety quiz answers are given below. BE SAFE! Ground all power supply systems, electrical circuits, and electrical equipment. a.Yes, as it is a mobile engine testing station. 1. A. wrap tape around the damaged spot to prevent electrical shocks. a.Ground Fault Circuit Insulator 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.Not wearing insulating shoes or boots when she was handling electrical equipment Use only cords, connection devices, and fittings that are equipped with strain relief. Electrical hazards expose workers to the following: Burns: Three types; electrical, arc flash, or thermal contact. :$#k9BPnZ{Qqe/reKy,'ZlB# After the wall was poured, one driver cleaned the loading chute of his cement truck with a water hose mounted on the truck. 0000010603 00000 n b.30,000 volts OSHA 10 - Exit Routes, Emergency Action Plans, The Analysis and Design of Linear Circuits, Albert J. Rosa, Gregory J. Toussaint, Roland E. Thomas. No Ground-Fault Circuit Interrupters (GFCIs): A journeyman HVAC worker was installing metal duct work using a double-insulated drill connected to a drop light cord. Identify the oxidizing and reducing agents. %PDF-1.5 -Rubber. gYpV:+ =EAn`u!d, |\~Y>ZF( dnLN\2vP6 >sSjgh2:Lmqx#a[G2{h$zW]_:@Lvr)2T:R-/ `&~O4j)>1P*M 5>F:1B.g!AR 3.Loose nuts Attaching ungrounded, two-prong adapter plugs to three-prong cords and tools. Latoya is using a mixing motor to mix pool chemicals in a plastic drum. 0000005406 00000 n Muscular contraction and nerve damage occur; death likely. c.40,000 volts 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. 0000003254 00000 n Provide a safe path to earth ground for electricity. The factors that determine the severity of an electrical injury include: -Severe skin burns. Use tools and equipment according to the instructions included in their listing, labeling or certification. 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. 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. (D) None of the above. Fatal electrocution is the main risk, but burns and falls from elevations are also hazards. Explosion. Use only extension cords that are marked with a designation code for hard or extra-hard usage. 1.The humidity of the environment H\n@0vj@/R#tnvihavopnS1>v8Z6zLpOCRU.O^6pImjgk{xv6%zp\,{|7_WqNfhu09$U?kW}: }y}]OIL5~W*8D~%W-yww;sORYbfspA.%YJV L%=Kx&0W+ 0000420277 00000 n Electrical Safety Multiple Choice Questions and Answers for competitive exams. 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. he most common shock-related injuries are: Electrical hazards like frayed cords, missing ground pins, improper wiring or the harm that these hazards pose. a.related to muscle damage. 4.Flex 4.Combustible dust, Fundamentals of Engineering Economic Analysis, David Besanko, Mark Shanley, Scott Schaefer. Cardiac arrest or death - A result of electrical shock. 0000010155 00000 n High humidity SCENARIO: You encounter a co-worker on a residential remodeling job. When it completes a circuit through the body. Question 4: When a worker receives an electric shock, first aid must start within ___________ minutes. Provides information about the hazards that electrical workers may experience as a part of their jobs. Ground metal parts of the following non-electrical equipment, as specified by the OSHA standard [, Frames and tracks of electrically operated. a.Two-prong plug 3.ack of ground fault protection. Select the choices that accurately define the common electrical term. If a defective power tool gives you an electric shock, how might your muscles react? 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. 4 0 obj 0000002557 00000 n 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. View Best Practices with Power Lines Quiz OSHA 30.docx from OSHA 30 at Columbia Southern University. 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. 1) The _____ created the Occupational Safety and Health Administration (OSHA) to set and enforce protective workplace safety and health standards. 0000004274 00000 n xref 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. endobj 1. Both could have prevented the accident from occuring. True. 0000004793 00000 n 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. %PDF-1.4 % 0000001672 00000 n Is the west coast of Africa a plate boundary? Select the correct answer and then click DONE. d.A power tool, A GFCI is designed to: The auger has a one-quarter horsepower motor encased in a metal housing with two handles. endobj d.Ground Fault Circuit Interrupter, : Another electrical hazard that can cause injury or death in the workplace is a ________ path to ground. a.A small current 5. 0000018681 00000 n 2. I;C`_;LV'd,|#H--e`( ')'RpAgA7O`?%68SB Electricity to operate portable power tools was supplied by a temporary service pole 50 feet away. Use non-conductive wood or fiberglass ladders when working near power lines. 4. b.811 Using modified cords or tools, e.g., removing ground prongs, face plates, insulation, etc. As she is adding in the chemicals, her hand touches the motor and it becomes energized. 2.Complete Suppose a volcano threw so much ash into the air that it blocked much of the sunlight. 5.Twitch, Electrical shock may result in: 1.Missing <<7628BB2D46738F42B2FC6393656F4718>]>> In which of the following workplace situations are you at risk for coming into contact with live electrical . Computers 0000005520 00000 n a.Yes, because the electrical shock caused the fall. a.20,000 volts B. outdoors. Potential hazards of electricity are preventable if you do which of the following listed below? 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: What type of burns are the result of current flowing through and exiting the body? OSHA Safety and Health Topics Page. [Flexible Cords and Power Tools]. He may have dropped the extension cord at the site and not heard the connector break. In addition to contact with power lines, the top electrical hazards include: D. Communicate the hazard to the crew and subs, use signs and bar E. Both C and D Q22. 2.Placed along a wall. A measure of the energy of motion of the particles in a substance is its _____. 1.Is faulty 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. 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. The laborer, who was wearing leather gloves, received an electric shock and dropped the wire reinforcement, which fell across the power line and simultaneously contacted the metal rail of the scaffold, energizing the entire scaffold.
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which of the following are electrical hazards osha quizlet
