electrical safety part 1 Flashcards | Quizlet Intentionally creating a low-resistance path that connects to the earth. -Falls. The victim was totally deaf in one ear and suffered diminished hearing in the other. Study with Quizlet and memorize flashcards containing terms like OSHA's electrical standards are based on: A. ANSI standards B. 1.The humidity of the environment D. near other electrical equipment. 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. The workers administered CPR to the victim, but to no avail. . 4.No, because he does not need to use an extension cord. Other protective measures include guarding or insulating the lines. 0000014257 00000 n Use only cords, connection devices, and fittings that are equipped with strain relief. Identify the oxidizing and reducing agents. How fast would the ball be moving at the moment of release? Question 2: It's okay to use extension cords with worn insulation, as long as you are careful about it. Overhead and buried power lines at your site are especially hazardous because they carry extremely high voltage. Electrical Safety Assessment Quiz Answers | ISHN 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 auger then fell across the other worker, the 24-year-old victim. A fault occurred, and with no grounding and no GFCI protection, the worker was electrocuted. <>/ExtGState<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 792 612] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> 0000008392 00000 n Electrical Safety Standards in the Workplace - NFPA 70E - Grainger KnowHow d. No, because an extension cord would not provide enough power. In addition to contact with power lines, the top electrical hazards include: If the electrical conductors become exposed, there is a danger of shocks, burns, or fire. 2. The victim signaled the operator of the crane to extend the boom and lower the hoist cable. 0000004921 00000 n Reportedly, he was shocked throughout the morning, and he had replaced one of the extension cords in an effort to eliminate the shocks. hb``b``=p0X8n0lY0L#rK[V26h* @0H!XDl+!&FfUfo`h6l xb```VVF A10p,``Pp`hhdpn``r`L:[ I,aZ4Knj21 `ny; Ge7t@OrMx)"cx&e:[~J%aUJ\*t 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. Additionally, the ground prongs were missing from the two cords. 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. Frames of non-electrically driven elevator cars to which electric conductors are attached. c.911 3. Using a dry wood ladder when the possibility exists for contact with electricity. Of the following choices, which are frequent electrical hazards <> Dust 4.Damaged cover or insulation, When using electric-powered hand tools, do not overload: 1.Flammable liquids 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. 0000015549 00000 n The source of the shocks -- the saw -- was not replaced. and more. Is the west coast of Africa a plate boundary? Select the choices that accurately define the common electrical term. a.Your thumb. Visually inspect all electrical equipment before use. 0000007464 00000 n 3. Work performed on an electrical system within reaching distance of energized components is_____work. a) Ensure overhead power line safety :$#k9BPnZ{Qqe/reKy,'ZlB# A laborer carried a piece of wire reinforcement (10 feet long by 8 inches wide) along the top section of the scaffold and contacted the power line with it. Electrocution was the second leading cause of worker deaths on construction sites in the United States in 2011. a.Ground Fault Circuit Insulator The pole had not been inspected by the city and was not in compliance with code requirements (it was not grounded). Lx*jWP# /c2)|]NXqAx>=~'[ 2.Loss of muscle control 5 feet 2. List the four main types of electrical injuries, Using the illustration, select the answer that matches the picture, Identify the illustration by selecting the appropriate answer. b) By supplying GFCIs, or ground-fault circuit interrupters Select the correct answer and then click DONE. 0000017336 00000 n Since the outlet at the adjacent property had no socket for a ground prong, the extension cords were plugged into the outlet using an adapter, but the ground wire of the adapter was not grounded. The NEC C. Suggestions Using circuit breakers or fuses with the wrong rating for over-current protection, e.g. Protection is lost because it will not trip when the system's load has been exceeded. Question 1: Each year, approximately __________ workers suffer from electricity related injuries. <> 2. How will she choose the correct cord? The victim was part of a crew that was constructing a concrete wall. Electricity must follow an uninterrupted loop from the power source to the equipment and back to the power source or ________. %PDF-1.4 % d.Adapter, What is a GFCI? Leaving or using electrical appliances near water - As electric current is transmitted faster in on wet surfaces, you stand a chance of getting an electric shock. He yelled for his co-workers to disconnect the power, which they did. uVNSF!UTRQ91uR,6@hCH}]GAlaPh)NeT$iQ89S9|?4wahU ltz9 PH[$I&VX9WG%K~1{u8M:D"+HLEy 3@NR^z!rB^?RyOj;'Lof. 3.Clear As the victim climbed down a makeshift ladder, he shifted the saw from his right hand to his left, and was shocked. d.Water, Other electrical hazards in the workplace include: 1.Using a fiberglass ladder when the possibility exists for contact with electricity. Attaching ungrounded, two-prong adapter plugs to three-prong cords and tools. A Safety Electrical One Line Diagram should be used to _____ all sources of electrical energy. Using modified cords or tools, e.g., removing ground prongs, face plates, insulation, etc. 0000007694 00000 n a. As he removed the forms, he wrapped them with a length of cable called a choker, which was to be attached to a crane. Select the correct answer and then click on DONE. 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. lb MKS Use the terms (freezing, gas, liquid, physical changes, solubility, solution, temperature, volume) to complete the sentence. Use only extension cords that are marked with a designation code for hard or extra-hard usage. Which of the following are conductor of electricity? a.Electricity eTool : Construction - Electrical Incidents | Occupational Safety and 3.Loose nuts c. Extend the reach of the power tool. 4,600. Effective means of controlling power line hazards include: What was Latoya's first mistake? Isolating, Power lines may be located underground. (C) Hot sticks. Select the correct answer and then click DONE. Select the correct answer and then click DONE. 4. b.A fast-acting switch monitoring current flow An employee was texturing a wall using an air compressor. Electric current cannot exist without an unbroken path to and from the conductor. Electrical Safety Quiz - OSHA.net 3.Something that causes current to flow through the . a.20,000 volts Question 2: Which of the following are ways . 1.Clench 0000002403 00000 n OSHA 10 - Electrical Flashcards | Quizlet This may damage your equipment and cause employee injuries. B. outdoors. 0000002385 00000 n Potential hazards of electricity are preventable if you do which of the following listed below? OSHA 10 General Industry Topic Exams Answer Key TOPIC EXAM 1: INTRO TO OSHA 1. using a 30-amp breaker in a system with 15- or 20-amp receptacles. Which of the following are caused by contact with electricity? 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. You need to evaluate the situation you are in and assess your . 0000022637 00000 n Which one of these methods MOST effectively protects machines, tools, and operators against damage from electrical current? g]+fn_m{mja_0Y w endstream endobj 189 0 obj <> endobj 190 0 obj <>stream Electrical safety quiz answers are given below. Determine duration, frequency, degree of exposure to hazards and physical stress. Suppose a volcano threw so much ash into the air that it blocked much of the sunlight. Should he use an extension cord to power it? Apparently, his hand contracted and he was "locked" to the saw. %%EOF Latoya is using a mixing motor to mix pool chemicals in a plastic drum. -If current passes through the body near the heart or brain. 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 . _.9u'2G_0 Ue]e"x5|Y [Power Tools]. 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. a.311 When does electricity become hazardous to humans? A co-worker disconnected the power cord to the saw, too late to save the victim. When current travels through your body - Definition of electric shock. 3 OSHA requires the testing of a volt meter after a voltage test on voltage above_____. As she is adding in the chemicals, her hand touches the motor and it becomes energized. Electrical current travels through insulated ________. View Answer Answer: 600v 4 . c.The outlet. 0000422244 00000 n 0000003603 00000 n Water 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 4.Organs, The presence of ________ can turn you, your equipment, or insulators like wood into conductors. %PDF-1.4 % 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. Electricity will form a "path" or "loop". 0000004884 00000 n What do tripped circuit breakers and blown fuses indicate? As he is working on the wiring, he receives an electrical shock that knocks him backward and causes him to fall off the ladder. 1452 0 obj <> endobj c.Gasoline Which of the following can be caused by exposure to an arc flash? Know glove capability VS hazard anticipated (exposure to chemicals, heat, or flames). 3.When you are using portable power tools De-energize and ground lines when working near them. 0000056642 00000 n 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. The most dangerous place to use electrical equipment is? SCENARIO: You encounter a co-worker on a residential remodeling job. specifically addresses electrical protective devices. <<7628BB2D46738F42B2FC6393656F4718>]>> When the energized conductor made contact with the ladder, the path to ground included the worker's body, resulting in death. Underground electrical hazards are: A. (a) Describe the reaction between the hydride ion and water in terms of a Bronsted acid-base reaction. Realistic Fish Head Text To Speech, Travel Baseball Age Calculator, Check If Address Is 16 Byte Aligned, Articles W
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which of the following are electrical hazards osha quizlet

0000003640 00000 n 0000002557 00000 n 0000006152 00000 n Extension cords had poor splices, no grounds, and reversed polarity. Using equipment outdoors that is labeled for use only in dry, indoor locations. b.811 0000001116 00000 n 0000000016 00000 n electrical safety part 1 Flashcards | Quizlet Intentionally creating a low-resistance path that connects to the earth. -Falls. The victim was totally deaf in one ear and suffered diminished hearing in the other. Study with Quizlet and memorize flashcards containing terms like OSHA's electrical standards are based on: A. ANSI standards B. 1.The humidity of the environment D. near other electrical equipment. 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. The workers administered CPR to the victim, but to no avail. . 4.No, because he does not need to use an extension cord. Other protective measures include guarding or insulating the lines. 0000014257 00000 n Use only cords, connection devices, and fittings that are equipped with strain relief. Identify the oxidizing and reducing agents. How fast would the ball be moving at the moment of release? Question 2: It's okay to use extension cords with worn insulation, as long as you are careful about it. Overhead and buried power lines at your site are especially hazardous because they carry extremely high voltage. Electrical Safety Assessment Quiz Answers | ISHN 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 auger then fell across the other worker, the 24-year-old victim. A fault occurred, and with no grounding and no GFCI protection, the worker was electrocuted. <>/ExtGState<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 792 612] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> 0000008392 00000 n Electrical Safety Standards in the Workplace - NFPA 70E - Grainger KnowHow d. No, because an extension cord would not provide enough power. In addition to contact with power lines, the top electrical hazards include: If the electrical conductors become exposed, there is a danger of shocks, burns, or fire. 2. The victim signaled the operator of the crane to extend the boom and lower the hoist cable. 0000004921 00000 n Reportedly, he was shocked throughout the morning, and he had replaced one of the extension cords in an effort to eliminate the shocks. hb``b``=p0X8n0lY0L#rK[V26h* @0H!XDl+!&FfUfo`h6l xb```VVF A10p,``Pp`hhdpn``r`L:[ I,aZ4Knj21 `ny; Ge7t@OrMx)"cx&e:[~J%aUJ\*t 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. Additionally, the ground prongs were missing from the two cords. 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. Frames of non-electrically driven elevator cars to which electric conductors are attached. c.911 3. Using a dry wood ladder when the possibility exists for contact with electricity. Of the following choices, which are frequent electrical hazards <> Dust 4.Damaged cover or insulation, When using electric-powered hand tools, do not overload: 1.Flammable liquids 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. 0000015549 00000 n The source of the shocks -- the saw -- was not replaced. and more. Is the west coast of Africa a plate boundary? Select the choices that accurately define the common electrical term. a.Your thumb. Visually inspect all electrical equipment before use. 0000007464 00000 n 3. Work performed on an electrical system within reaching distance of energized components is_____work. a) Ensure overhead power line safety :$#k9BPnZ{Qqe/reKy,'ZlB# A laborer carried a piece of wire reinforcement (10 feet long by 8 inches wide) along the top section of the scaffold and contacted the power line with it. Electrocution was the second leading cause of worker deaths on construction sites in the United States in 2011. a.Ground Fault Circuit Insulator The pole had not been inspected by the city and was not in compliance with code requirements (it was not grounded). Lx*jWP# /c2)|]NXqAx>=~'[ 2.Loss of muscle control 5 feet 2. List the four main types of electrical injuries, Using the illustration, select the answer that matches the picture, Identify the illustration by selecting the appropriate answer. b) By supplying GFCIs, or ground-fault circuit interrupters Select the correct answer and then click DONE. 0000017336 00000 n Since the outlet at the adjacent property had no socket for a ground prong, the extension cords were plugged into the outlet using an adapter, but the ground wire of the adapter was not grounded. The NEC C. Suggestions Using circuit breakers or fuses with the wrong rating for over-current protection, e.g. Protection is lost because it will not trip when the system's load has been exceeded. Question 1: Each year, approximately __________ workers suffer from electricity related injuries. <> 2. How will she choose the correct cord? The victim was part of a crew that was constructing a concrete wall. Electricity must follow an uninterrupted loop from the power source to the equipment and back to the power source or ________. %PDF-1.4 % d.Adapter, What is a GFCI? Leaving or using electrical appliances near water - As electric current is transmitted faster in on wet surfaces, you stand a chance of getting an electric shock. He yelled for his co-workers to disconnect the power, which they did. uVNSF!UTRQ91uR,6@hCH}]GAlaPh)NeT$iQ89S9|?4wahU ltz9 PH[$I&VX9WG%K~1{u8M:D"+HLEy 3@NR^z!rB^?RyOj;'Lof. 3.Clear As the victim climbed down a makeshift ladder, he shifted the saw from his right hand to his left, and was shocked. d.Water, Other electrical hazards in the workplace include: 1.Using a fiberglass ladder when the possibility exists for contact with electricity. Attaching ungrounded, two-prong adapter plugs to three-prong cords and tools. A Safety Electrical One Line Diagram should be used to _____ all sources of electrical energy. Using modified cords or tools, e.g., removing ground prongs, face plates, insulation, etc. 0000007694 00000 n a. As he removed the forms, he wrapped them with a length of cable called a choker, which was to be attached to a crane. Select the correct answer and then click on DONE. 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. lb MKS Use the terms (freezing, gas, liquid, physical changes, solubility, solution, temperature, volume) to complete the sentence. Use only extension cords that are marked with a designation code for hard or extra-hard usage. Which of the following are conductor of electricity? a.Electricity eTool : Construction - Electrical Incidents | Occupational Safety and 3.Loose nuts c. Extend the reach of the power tool. 4,600. Effective means of controlling power line hazards include: What was Latoya's first mistake? Isolating, Power lines may be located underground. (C) Hot sticks. Select the correct answer and then click DONE. Select the correct answer and then click DONE. 4. b.A fast-acting switch monitoring current flow An employee was texturing a wall using an air compressor. Electric current cannot exist without an unbroken path to and from the conductor. Electrical Safety Quiz - OSHA.net 3.Something that causes current to flow through the . a.20,000 volts Question 2: Which of the following are ways . 1.Clench 0000002403 00000 n OSHA 10 - Electrical Flashcards | Quizlet This may damage your equipment and cause employee injuries. B. outdoors. 0000002385 00000 n Potential hazards of electricity are preventable if you do which of the following listed below? OSHA 10 General Industry Topic Exams Answer Key TOPIC EXAM 1: INTRO TO OSHA 1. using a 30-amp breaker in a system with 15- or 20-amp receptacles. Which of the following are caused by contact with electricity? 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. You need to evaluate the situation you are in and assess your . 0000022637 00000 n Which one of these methods MOST effectively protects machines, tools, and operators against damage from electrical current? g]+fn_m{mja_0Y w endstream endobj 189 0 obj <> endobj 190 0 obj <>stream Electrical safety quiz answers are given below. Determine duration, frequency, degree of exposure to hazards and physical stress. Suppose a volcano threw so much ash into the air that it blocked much of the sunlight. Should he use an extension cord to power it? Apparently, his hand contracted and he was "locked" to the saw. %%EOF Latoya is using a mixing motor to mix pool chemicals in a plastic drum. -If current passes through the body near the heart or brain. 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 . _.9u'2G_0 Ue]e"x5|Y [Power Tools]. 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. a.311 When does electricity become hazardous to humans? A co-worker disconnected the power cord to the saw, too late to save the victim. When current travels through your body - Definition of electric shock. 3 OSHA requires the testing of a volt meter after a voltage test on voltage above_____. As she is adding in the chemicals, her hand touches the motor and it becomes energized. Electrical current travels through insulated ________. View Answer Answer: 600v 4 . c.The outlet. 0000422244 00000 n 0000003603 00000 n Water 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 4.Organs, The presence of ________ can turn you, your equipment, or insulators like wood into conductors. %PDF-1.4 % 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. Electricity will form a "path" or "loop". 0000004884 00000 n What do tripped circuit breakers and blown fuses indicate? As he is working on the wiring, he receives an electrical shock that knocks him backward and causes him to fall off the ladder. 1452 0 obj <> endobj c.Gasoline Which of the following can be caused by exposure to an arc flash? Know glove capability VS hazard anticipated (exposure to chemicals, heat, or flames). 3.When you are using portable power tools De-energize and ground lines when working near them. 0000056642 00000 n 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. The most dangerous place to use electrical equipment is? SCENARIO: You encounter a co-worker on a residential remodeling job. specifically addresses electrical protective devices. <<7628BB2D46738F42B2FC6393656F4718>]>> When the energized conductor made contact with the ladder, the path to ground included the worker's body, resulting in death. Underground electrical hazards are: A. (a) Describe the reaction between the hydride ion and water in terms of a Bronsted acid-base reaction.

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which of the following are electrical hazards osha quizlet

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which of the following are electrical hazards osha quizlet

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