A 120v. How might this event affect the ability of animals to obtain energy to live? Intentionally creating a low-resistance path that connects to the earth. 0000017163 00000 n Does the fall qualify as an electrical accident? Question 2: It's okay to use extension cords with worn insulation, as long as you are careful about it. 3. 0000002733 00000 n endobj Use tools and equipment according to the instructions included in their listing, labeling or certification. Draw a line from the item on the left that corresponds to the match on the right. 1.Damaged cover or insulation 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. 4. eTool : Construction - Electrical Incidents | Occupational Safety and 4.Broken. True. 1 0 obj An 18-year-old worker at a construction site was electrocuted when he touched a light fixture while descending from a scaffold for his afternoon break. Used across walkways. <>/ExtGState<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 792 612] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> Fire g]+fn_m{mja_0Y w endstream endobj 189 0 obj <> endobj 190 0 obj <>stream -Grounding= a conductive connection to the earth which acts as a protective measure. The most dangerous place to use electrical equipment is? 1.Using a fiberglass ladder when the possibility exists for contact with electricity. Hand-operated metal shifting ropes or cables of electric elevators. When he grasped the handle of the bucket to pull it down, the crane cable came into contact with the overhead line. 0000089142 00000 n 1.Cuts h|UnH}+i-. and more. 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. b.Yes, because Bob was on . 0000003771 00000 n 1. 0000022637 00000 n Explain the purpose and use of the MyPlate symbol. 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 Dirk, a 28-year-old mechanic, is performing maintenance on a piece of equipment when he is shocked. 0000000816 00000 n 1) The _____ created the Occupational Safety and Health Administration (OSHA) to set and enforce protective workplace safety and health standards. Ajay needs to use a dewatering pump to drain standing water on a construction site. (E) a, b, and c. 2. What is the minimum clearance distance you must maintain from the power lines? Lx*jWP# /c2)|]NXqAx>=~'[ a.Shut off power within a fraction of a second Select the correct answer and then click DONE. Muscular contraction and nerve damage occur; death likely. Electrical safety quiz answers are given below. 3. 0000003413 00000 n On the day of the incident, the victim plugged in a damaged extension cord and laid it out towards the bulkhead. The \rule{1cm}{1pt} artery carries deoxygenated blood from the heart to the lungs. a.Electricity Explosion Study with Quizlet and memorize flashcards containing terms like OSHA's electrical standards are based on: A. ANSI standards B. Which of the following can be caused by exposure to an arc flash? Regarding hand protection employers should: A. 0000001646 00000 n Lockout/tagout procedures. 128 0 obj <> endobj xref 128 26 0000000016 00000 n Electrical safety requirements necessary for the practical safeguarding of employees in the workplace. 0000007741 00000 n If the electrical conductors become exposed, there is a danger of shocks, burns, or fire. Quiz Question 2: Which is acceptable when using powdered tools? 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. When selecting the right extension cord, a good rule of thumb is to match the thickness of the extension cord to the thickness of: 0000010603 00000 n Determine duration, frequency, degree of exposure to hazards and physical stress. Which of the following are electrical hazards? - Brainly.com a.311 0000001672 00000 n 1.Is firmly connected Does the fall qualify as an electrical accident? Using equipment outdoors that is labeled for use only in dry, indoor locations. 2.Loss of muscle control The individual's perspiration-soaked clothing/body contacted bare exposed conductors on one of the cords, causing an electrocution. [Flexible Cords and Power Tools]. 0000017336 00000 n A. wrap tape around the damaged spot to prevent electrical shocks. 0000003715 00000 n 0000002195 00000 n Question 1: Employers must ensure that every electric utilization system and all utilization equipment installed, majorly modified, or replaced after March 15, 1972, complies with the standards for electricity set by the National Fire Protection Association, which have been adopted by OSHA. OSHA 10 - Electrical Flashcards | Quizlet endobj Which of these can be used as insulating live-line tools for electrical protection. b.10 feet He plans to use it over a period of at least six months. Call ________ prior to digging to be connected with your local One Call Center to have all underground lines located by the utility company. -Glass. Which of the following are caused by contact with electricity? It is important to note that NFPA 70E is a . The victim was totally deaf in one ear and suffered diminished hearing in the other. The modification of the plug was not an intended use or prescribed by the manufacturer. 2.Loose screws he most common shock-related injuries are: Reportedly, he was shocked throughout the morning, and he had replaced one of the extension cords in an effort to eliminate the shocks. You discover the electrical cord on a drill has been damaged and some of the cord's insulation is missing. 3.Clear Select the correct answer and then click DONE. c.Guaranteed Fault Circuit Interrupter Test your knowledge with our electrical safety quiz below. PDF SAFETY HAZARDS: These are the most PHYSICAL HAZARDS: CHEMICAL HAZARDS a.20,000 volts 0000015549 00000 n 4.Circuit breakers, When inspecting power tools, look for: 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. 0000001814 00000 n 0000427811 00000 n 3.Loose nuts A) Identify; Castigate; C) Evaluate; D) Modify; 3. 0000010155 00000 n 0000004444 00000 n 10,000 milliamps (10 amps) Cardiac arrest and severe burns occur. OSHA Safety and Health Topics Page. . . 1. 3. All of the following are essential considerations for the safe use of cords and wiring EXCEPT: Which one of these methods is not acceptable for putting out an electrical fire? Both the operator and the victim failed to notice that the boom had contacted a 2,400-volt overhead power line. 1452 25 0000002557 00000 n As she is adding in the chemicals, her hand touches the motor and it becomes energized. Question 3: A/an ____________ is a unit of measurement for electrical resistance. xb```VVF A10p,``Pp`hhdpn``r`L:[ I,aZ4Knj21 `ny; Ge7t@OrMx)"cx&e:[~J%aUJ\*t b.Match the thickness of the extension cord to the thickness of the nail gun's power cord. 0000014257 00000 n Look for overhead power lines and buried power line indicators. b. endobj Potential hazards of electricity are preventable if you: Electricity must always travel in a(n) ________, ________ circuit. 0000006893 00000 n Quiz Question 4: Which is a preventive measure to prevent hazards while working with power lines? 1. Death. 0000003254 00000 n 2. 0000002403 00000 n gYpV:+ Before using the equipment, be sure that the ground wire: 2.Flooding OSHA 30 - Quiz 3 - Electrocution Hazards Flashcards | Quizlet Electrical current travels through insulated ________. Quiz Question 3: Power cords can be damaged by which of the following? B 208v. When current travels through your body - Definition of electric shock. [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. One worker, holding the deadman's switch, received a shock from a ground fault in the auger and was knocked back from the machine. 3.Maintaining a safe distance of at least 10 feet from all overhead power lines. True. 4.No, because he does not need to use an extension cord. Get All Answers to OSHA 30 Construction Final Exam. (D) None of the above. It's okay to use extension cords with worn insulation, as . What is the output of the program in Exercise 17, if first = 26 and second = 8? d.Ground Fault Circuit Interrupter, : Another electrical hazard that can cause injury or death in the workplace is a ________ path to ground. c.falls. xref Then answer the questions below. A measure of the energy of motion of the particles in a substance is its _____. PDF ODULE 1 INTRODUCTION TO E SAFETY - Occupational Safety and Health c.Absorb any water around the area What is the primary purpose of properly grounding equipment? d. Match the outlet prongs to the extension cord. Flexible Cord Not 3-Wire, Hard Service Variety: A worker received a fatal shock when he was cutting drywall with a metal casing router. One handle has a deadman's switch. 4.Damaged cover or insulation, When using electric-powered hand tools, do not overload: OSHA 10 General Industry Test Answer Key WALKING. 1.A source of electrical current to flow. q>NmnLNmb$"Iyx1bD9.~Ll. The victim provided a path to ground and was electrocuted. b) Staples s\A0W+ Ground metal parts of the following non-electrical equipment, as specified by the OSHA standard [, Frames and tracks of electrically operated. lex has set up a mobile engine testing station in the maintenance area. 0 Most of the hydrides of Group 1A and Group 2A metals are ionic. Stay at least 10 feet away from overhead power lines. 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. Electrical hazards are life threatening incidents that could happen due to electricity. -Voltage= a measure of electrical force. Should Ajay use a GFCI? 0000028595 00000 n Cardiac arrest or death - A result of electrical shock. Visually inspect all electrical equipment before use. 0000011060 00000 n 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. 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. 1. a.Extension cords 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. 0000004965 00000 n PDF C. Is the west coast of Africa a plate boundary? Electricity to the auger was supplied by a series of 50-foot extension cords running to an adjacent property. A) 120v . The floor is covered in water and she is barefoot. Which of the following are insulators of electricity? 0000110659 00000 n 1 0 obj 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 D. near other electrical equipment. Using multi-receptacle boxes designed to be. RZyd As he is working on the wiring, he receives an electrical shock that knocks him backward and causes him to fall off the ladder. In 2017, there were over ______________ electrical related violations cited by OSHA in the workplace. The insulation on the extension cord was cut through and exposed bare, energized conductors which made contact with the ladder. <<7628BB2D46738F42B2FC6393656F4718>]>> 0000009628 00000 n Take any defective equipment out of service. a. Gaseous matter c.Power lines 0000419562 00000 n 1. Electrical hazards like frayed cords, missing ground pins, improper wiring or the harm that these hazards pose. 0000005632 00000 n endobj Wearing a baseball cap Continually audit cords on-site. c.911 This caused him to fall from the ladder and land in a puddle of water, still holding the saw. Select the correct answer and then click DONE. C 277v. b.burns. Select the correct answer and then click DONE. 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. 4. Question 2: Which of the following are ways . 0000006866 00000 n Equipment used in manner prescribed. OSHA 10 General Industry Topic Exams Answer Key TOPIC EXAM 1: INTRO TO OSHA 1. Quiz Question 9: Conductor insulation must be approved for the ___________ of use? 1. b.Shut off power within five minutes of the imbalance b+t6W' te+.W_{8u7Dt@1c. 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. <> b.Yes, as it would be too expensive to install more permanent wiring and receptacles. 0000013999 00000 n d) All of the above. d. Power outlets, ________ are anything that can transmit electrical current. When the victim reached down to connect the choker to the hoist cable, he suddenly collapsed. Seven employees of a masonry company were erecting a brick wall from a tubular, welded-frame scaffold approximately 24 feet high. The factors that determine the severity of an electrical injury include: 2. 5.Twitch, Electrical shock may result in: (See NFPA 70E-2021 Article 130 and OSHA subpart S part 1910.333 (a) (1)- (2) and (c) for complete details.) As the victim climbed down a makeshift ladder, he shifted the saw from his right hand to his left, and was shocked. High humidity Course 812 Module 7 OSHA Focus Four Hazards: Electrocution - OSHAcademy Remove cords from receptacles by pulling on the plugs, not the cords. Bob is asked to repair some overhead wiring, requiring the use a ladder. Visually inspect all electrical equipment before use. Easy to identify 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. Others, such as office workers and sales people, work with electricity indirectly and may also be exposed to electrical hazards. 1452 0 obj <> endobj 2. B. outdoors. %PDF-1.4 % x_HSqnwmky54YLzeStJi# TZObFT*.#BQF/Q stream I;C`_;LV'd,|#H--e`( ')'RpAgA7O`?%68SB Many workers are unaware of the potential electrical hazards present in their work environment, which makes them more vulnerable to the danger of electrocution. b.30,000 volts The victim was part of a crew that was constructing a concrete wall. 182 0 obj <> endobj xref 182 41 0000000016 00000 n Use non-conductive wood or fiberglass ladders when working near power lines. 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: C. near water. Dust 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. 2.Grounding Burns. 2.Using extension cords or electrical tools properly. 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. 0000108653 00000 n You can classify scales for weighing objects as those that use springs and those that use standard masses to balance unknown masses. 3 OSHA requires the testing of a volt meter after a voltage test on voltage above_____. BE SAFE! Electrical - Overview | Occupational Safety and Health Administration 2.Placed along a wall. HWMo#7v#h>6,Z4- 3.Body tissue BIOLOGICAL HAZARDS: term effects) and strain (longAssociated with working with animals, people, or infectious plant materials. 3.Cramp 1.Fingernails Suppose a volcano threw so much ash into the air that it blocked much of the sunlight. 1.Is faulty The first worker knocked the auger off the victim, but saw that the electric cord was wrapped around the victim's thigh. Attaching ungrounded, two-prong adapter plugs to three-prong cords and tools. 0000004921 00000 n Becoming part of the circuit exposes you to ________, the most dangerous electrical hazard. 3.Tears 0000004793 00000 n Best Practices with Power Lines Quiz OSHA 30 - Best 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 . =EAn`u!d, |\~Y>ZF( dnLN\2vP6 >sSjgh2:Lmqx#a[G2{h$zW]_:@Lvr)2T:R-/ `&~O4j)>1P*M 5>F:1B.g!AR Work performed on an electrical system within reaching distance of energized components is_____work. c. Inductive objects 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. Electrical hazards expose workers to the following: Burns: Three types; electrical, arc flash, or thermal contact. Quiz Question 6: Which of these is not a type of Ground Fault Circuit Adapter? 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. _5JKy. -Rubber. 0000004884 00000 n Electrocution was the second leading cause of worker deaths on construction sites in the United States in 2011. The victim signaled the operator of the crane to extend the boom and lower the hoist cable. 0000421920 00000 n xYmo -ER/&@[D,_! OSHA Pros, LLC is an authorized provider of 360 Training, an OSHA-Accepted Provider, offering training and certification courses for NFPA 70E-Standard, and 3.Needs to be reset d.Adapter, What is a GFCI? H\n@0vj@/R#tnvihavopnS1>v8Z6zLpOCRU.O^6pImjgk{xv6%zp\,{|7_WqNfhu09$U?kW}: }y}]OIL5~W*8D~%W-yww;sORYbfspA.%YJV L%=Kx&0W+ Extension cords are used to: a. (C) Hot sticks. hazard or that their employer is not following OSHA's rules. 21 Examples Of Electrical Hazards - HSEWatch 0000002122 00000 n B. When an electric shock occurs, your muscles may: View Answer Answer: 600v 4 . c.Gasoline 0000004273 00000 n A fault occurred, and with no grounding and no GFCI protection, the worker was electrocuted. Of the following choices, which are frequent electrical hazards Is split Electric current cannot exist without an unbroken path to and from the conductor. 2 0 obj 0000002479 00000 n Use only cords, connection devices, and fittings that are equipped with strain relief. Hazards are created when cords, cord connectors, receptacles, and cord- and plug connected equipment are improperly used and maintained. a. -Conductor= permits the free flow of electricity. 0000108920 00000 n 0000001604 00000 n 0000000016 00000 n OSHA 29 CFR 1910.147 . _.9u'2G_0 Ue]e"x5|Y 5>vB35Plm$\4{U[lU`t~.vJGmFO^@+ cGPzNY*oS(m%q{Agp c. No, because the electricity is needed on a long-term basis. A Safety Electrical One Line Diagram should be used to _____ all sources of electrical energy. lb MKS An employee was texturing a wall using an air compressor. How will she choose the correct cord? Overhead and buried power lines at your site are especially hazardous because they carry extremely high voltage. Select the correct answer and then click DONE. De-energize and ground lines when working near them. OSHA: Air Monitoring & Medical Surveillance, 5 ANO - RETOMANDO ARTIGO, SUBSTANTIVO E ADJE. Contact utilities for buried power line locations. -Wood. 4.Must be replaced, Always use a GFCI: OSHA 10 - Exit Routes, Emergency Action Plans, The Analysis and Design of Linear Circuits, Albert J. Rosa, Gregory J. Toussaint, Roland E. Thomas. 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. You need to evaluate the situation you are in and assess your . 0000005406 00000 n Fatal electrocution is the main risk, but burns and falls from elevations are also hazards. Frames of non-electrically driven elevator cars to which electric conductors are attached. The pole had not been inspected by the city and was not in compliance with code requirements (it was not grounded). 1.Flammable liquids When does electricity become hazardous to humans? 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). stream [29 CFR 1926.416(a)(1)]. What was Latoya's first mistake? -Damage to internal organs. The auger has a one-quarter horsepower motor encased in a metal housing with two handles. b) By supplying GFCIs, or ground-fault circuit interrupters 0000021516 00000 n Electrical Safety Quiz Electrical safety is an important topic that you and your workers need to know about. a) Ensure overhead power line safety 0000002876 00000 n PDF Name: Date: Test Electrical Safety Quiz SELECT THE BEST ANSWER. Question 1: Which of these is a type of Ground Fault Circuit Adapter? A co-worker disconnected the power cord to the saw, too late to save the victim. The router's 3-wire power cord was spliced to a 2-wire cord and plug set which was not rated for hard service. Find the volume of the parallelepiped determined by the vertices (1,1,1),(4,7,2) . Quiz Question 1: Which of the following is not a category of electrical burns? Electrical Safety Quiz-Test Your Electrical Safety Knowledge d.A power tool, A GFCI is designed to: A 20-year-old bricklayer standing on the work platform in contact with the main scaffold was electrocuted. d/E \VZvl$Y#nH,EIm /\"BQ>Rkl6xZWtAgfs Quiz Question 5: A/an ___________ is a unit of measurement for electrical resistance. % Examples Of Electrical Hazards. )KL3C?e%Y92$,]^)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'. Engineers, electricians, and other professionals work with electricity directly, including working on overhead lines, cable harnesses, and circuit assemblies. trailer <<11AC4BACEBCA4B32A885F1120BD3A307>]>> startxref 0 %%EOF 153 0 obj <>stream 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. d. 20 feet. This may damage your equipment and cause employee injuries. Best Practices with Power Lines 1. [Power Tools]. 2.Is working properly When the energized conductor made contact with the ladder, the path to ground included the worker's body, resulting in death. . b.The tool's power cord. 0000004274 00000 n 3.Draped over equipment. 1. Besides personal bodily injury, what other electrical hazards can be found in the workplace? As he is working on the wiring, he receives an electrical shock that knocks him backward and causes him to fall off the ladder. 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. Using cords or tools with worn insulation or exposed wires. 1.Pain Safe operation of hand and portable powered tools and other hand-held equipment. endobj Introduction To Osha Quiz Answers1) Which of the following activities Both could have prevented the accident from occuring. Use the terms (freezing, gas, liquid, physical changes, solubility, solution, temperature, volume) to complete the sentence.