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a. Visually inspect all electrical equipment before use. After the wall was poured, one driver cleaned the loading chute of his cement truck with a water hose mounted on the truck. 0000008392 00000 n
Becoming part of the circuit exposes you to ________, the most dangerous electrical hazard. Two of the extension cords had no ground prongs, and some of them were repaired with electrical tape. 0000011060 00000 n
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PDF Electrical Safety - Occupational Safety and Health Administration (b) The same reaction can also be classified as a redox reaction. Fatal electrocution is the main risk, but burns and falls from elevations are also hazards. 1,[-c|"&u[Fu>wjte8j:xRk )"m_!6awT J,byp?fRBf?p|b3/Um\7"|+@5vvWAa5J^y*q,l b)Ftt4 :4,-J`! The floor is covered in water and she is barefoot. The presence of ______ can turn you, your equipment, or insulators like wood, into conductors. endobj
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Select the correct answer and then click DONE. Electrical hazards are life threatening incidents that could happen due to electricity. 1.Using a fiberglass ladder when the possibility exists for contact with electricity. 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. b.811 You discover the electrical cord on a drill has been damaged and some of the cord's insulation is missing. 1.Missing View Answer Answer: 600v 4 . -Severe skin burns. If the insulation on the tool's power cord is damaged and you touch this area while grounded, the electricity will ________. 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. d.Ground Fault Circuit Interrupter, : Another electrical hazard that can cause injury or death in the workplace is a ________ path to ground. Test your knowledge with our electrical safety quiz below. -Voltage= a measure of electrical force. De-energizing Find the volume of the parallelepiped determined by the vertices (1,1,1),(4,7,2) . 1452 25
To be safe, you must think about your job and plan for hazards. Study with Quizlet and memorize flashcards containing terms like Bob is asked to repair some overhead wiring, requiring the use a ladder. Quiz Question 6: Which of these is not a type of Ground Fault Circuit Adapter? Using circuit breakers or fuses with the wrong rating for over-current protection, e.g. 0000010603 00000 n
10,000 milliamps (10 amps) Cardiac arrest and severe burns occur. 4. a.Ground Fault Circuit Insulator (C) Hot sticks. When inspecting extension cords, look for: 2.Complete a) Door or window edges 0000420277 00000 n
One worker, holding the deadman's switch, received a shock from a ground fault in the auger and was knocked back from the machine. 4.Must be replaced, Always use a GFCI: The workers had removed their shirts and were sweating. SCENARIO: You encounter a co-worker on a residential remodeling job. Muscular contraction and nerve damage occur; death likely. 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. 1476 0 obj
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A Safety Electrical One Line Diagram should be used to _____ all sources of electrical energy. 2.Using an aluminum ladder when the possibility exists for contact with electricity. One handle has a deadman's switch.
CCOHS: Electrical Safety - Basic Information (A) Shotgun sticks. 2.Something to transport the electrical current -- A conductor. Potential hazards of electricity are preventable if you: Electricity must always travel in a(n) ________, ________ circuit. Water
Electrical Safety Assessment Quiz Answers | ISHN What are the 4 main type of hazards? [Ultimate Guide!] This caused him to fall from the ladder and land in a puddle of water, still holding the saw. OSHA 10 General Industry Test Answer Key WALKING. 1. In 2017, there were over ______________ electrical related violations cited by OSHA in the workplace. 0000004965 00000 n
Metal partitions, grill work, and similar metal enclosures around equipment of over 1kV between conductors. Contact utilities for buried power line locations. You need to evaluate the situation you are in and assess your .
Reportedly, he was shocked throughout the morning, and he had replaced one of the extension cords in an effort to eliminate the shocks. a.311
PDF ODULE 1 INTRODUCTION TO E SAFETY - Occupational Safety and Health Regarding hand protection employers should: A.
PDF SAFETY HAZARDS: These are the most PHYSICAL HAZARDS: CHEMICAL HAZARDS OSHA 10 - Exit Routes, Emergency Action Plans, The Analysis and Design of Linear Circuits, Albert J. Rosa, Gregory J. Toussaint, Roland E. Thomas. 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? specifically addresses electrical protective devices. Look for overhead power lines and buried power line indicators. Select the correct answer and then click DONE. D. Have an ANSI sticker and an expiration date. 0000004444 00000 n
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Electrical Safety Standards in the Workplace - NFPA 70E - Grainger KnowHow Noise, : ________ or heavy perspiration can cause electricity to take an unintended path. Quiz Question 5: A/an ___________ is a unit of measurement for electrical resistance. [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. 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. Freeze d. 411, You are working with a 10-foot section of a conductive pipe near power lines. Question 2: Which of the following is NOT a category of electrical burns? Identify the oxidizing and reducing agents. H. Visually inspect all electrical equipment before use. How fast would the ball be moving at the moment of release? B 208v. Fire 0000004946 00000 n
Select the correct answer and then click DONE. 4.Organs, The presence of ________ can turn you, your equipment, or insulators like wood into conductors. 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. *Effects are for voltages less than about 600 volts. 0000003640 00000 n
If a defective power tool gives you an electric shock, how might your muscles react? If you are touching any grounded material while using a power tool (See NFPA 70E-2021 Article 130 and OSHA subpart S part . One hand drill was not grounded, and the other had no safety plate. Extension cords are used to: Explain the purpose and use of the MyPlate symbol. a.Electricity Know glove capability VS hazard anticipated (exposure to chemicals, heat, or flames). When he grasped the handle of the bucket to pull it down, the crane cable came into contact with the overhead line. b.Shut off power within five minutes of the imbalance A co-worker disconnected the power cord to the saw, too late to save the victim. 0000002122 00000 n
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he most common shock-related injuries are: Ground all exposed metal parts of equipment. Select the correct answer and then click DONE. %%EOF
1.A source of electrical current to flow. Use only extension cords that are 3-wire type.
Osha 10 test answers 2021 quizlet - Math Questions Among all of the safety measures that can and should be used to prevent electrical shock, which one is the most essential? Before using the equipment, be sure that the ground wire: 0000001861 00000 n
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De-energize and ground lines when working near them. 0000001604 00000 n
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Yes, because he will be using electricity near water. b) Staples Easy to identify Suppose a volcano threw so much ash into the air that it blocked much of the sunlight. What is the most common, non-fatal, electrical shock-related injury? 0000017336 00000 n
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Provide a safe path to earth ground for electricity. D. near other electrical equipment. Question 1: Which of these is a type of Ground Fault Circuit Adapter? Carly needs to use an extension cord with her corded nail gun. %PDF-1.4
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`&~O4j)>1P*M 5>F:1B.g!AR Get resources on specific hazards and their control, including identification, risk assessment and inspections, to keep your workplace healthy and safe. 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. 1.Fingernails Using tools and equipment that can contact power lines increases the risk. Using modified cords or tools, e.g., removing ground prongs, face plates, insulation, etc. |tYny@YE>LkNj4-czZf"Usw>j\sv3fn},>},KeA s 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. 0000004274 00000 n
qnde>9!.,T2 :hw5 #OaPxkx=y7]J-yv*'H$jmVCq$ sx:R2$9SY+D!!LJ:n+.\#Hu~2VI O? The router's 3-wire power cord was spliced to a 2-wire cord and plug set which was not rated for hard service. <>
hb``b``=p0X8n0lY0L#rK[V26h* @0H!XDl+!&FfUfo`h6l 4.Damaged cover or insulation, When using electric-powered hand tools, do not overload: