which of the following are electrical hazards osha quizlet

0000001896 00000 n 1.Is firmly connected Electrical hazards like frayed cords, missing ground pins, improper wiring or the harm that these hazards pose. 0000419562 00000 n 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. -Glass. When selecting the right extension cord, a good rule of thumb is to match the thickness of the extension cord to the thickness of: Electricity to operate portable power tools was supplied by a temporary service pole 50 feet away. 0000005520 00000 n -If current passes through the body near the heart or brain. 4.Flex he most common shock-related injuries are: 4.Must be replaced, Always use a GFCI: 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. 2. stream c.Absorb any water around the area OSHA Safety and Health Topics Page. Use tools and equipment according to the instructions included in their listing, labeling or certification. b.Yes, because Bob was on . Arc Flash. |tYny@YE>LkNj4-czZf"Usw>j\sv3fn},>},KeA s 0000010603 00000 n Working with electricity can be dangerous. (B) Switch sticks. 0000007427 00000 n -Rubber. (A) Shotgun sticks. He plans to use it over a period of at least six months. 30 days B. BE SAFE! d.Constructive objects, Select all answers that apply to the following statement and then click DONE. qnde>9!.,T2 :hw5 #OaPxkx=y7]J-yv*'H$jmVCq$ sx:R2$9SY+D!!LJ:n+.\#Hu~2VI O? Lockout/tagout procedures. 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. using a 30-amp breaker in a system with 15- or 20-amp receptacles. 0000420887 00000 n Extension cords had poor splices, no grounds, and reversed polarity. Select the correct answer and then click DONE. 10,000 milliamps (10 amps) Cardiac arrest and severe burns occur. The length of time the body is in the circuit, in contact with electricity - Factor determining the severity of an electrical . 21 Examples Of Electrical Hazards - HSEWatch (3,2,1), (5,4,3). 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. c.The outlet. 0000013716 00000 n b+t6W' te+.W_{8u7Dt@1c. -Voltage= a measure of electrical force. OSHA 29 CFR 1910, Subpart P . 0000001495 00000 n b.The tool's power cord. Ajay needs to use a dewatering pump to drain standing water on a construction site. Engineers, electricians, and other professionals work with electricity directly, including working on overhead lines, cable harnesses, and circuit assemblies. 1.Pain The auger then fell across the other worker, the 24-year-old victim. On the day of the incident, the victim plugged in a damaged extension cord and laid it out towards the bulkhead. 0000012944 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. Using cords or tools with worn insulation or exposed wires. c.A measurement of electricity This caused him to fall from the ladder and land in a puddle of water, still holding the saw. 1. 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. 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. heart attacks. One worker, holding the deadman's switch, received a shock from a ground fault in the auger and was knocked back from the machine. -Conductor= permits the free flow of electricity. Identify the oxidizing and reducing agents. Which of the following can be caused by exposure to an arc flash? Select the choices that accurately define the common electrical term. 128 0 obj <> endobj xref 128 26 0000000016 00000 n Check your employee's electrical safety knowledge through an electrical safety quiz. Electrical Safety Quiz - OSHA.net endobj -Falls. Question 2: Which of the following is NOT a category of electrical burns? 2 0 obj C. near water. OSHA-10: Avoiding Electrocution Hazards Flashcards | Quizlet A worker was removing a metal antenna when it made electrical contact with a 7200-volt power transmission line. 0000001731 00000 n Match the length from job to outlet. What is the most common, non-fatal, electrical shock-related injury? PDF OSHA Safety - Electrical Safety - Red Vector Noise, : ________ or heavy perspiration can cause electricity to take an unintended path. Explosion. 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: 0000108653 00000 n D 600v. PDF Working Safely with Electricity - Occupational Safety and Health 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 a.Conductive objects 3. B. A) 120v . c.Gasoline The following references aid in recognizing hazards associated with electrical work. 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.Yes, as it is a mobile engine testing station. If you are touching any grounded material while using a power tool The victim provided a path to ground and was electrocuted. 0000013999 00000 n Electrical Safety Assessment Quiz Answers | ISHN Select the correct answer and then click on DONE. 0000003413 00000 n The scaffold had been constructed only 21 horizontal inches across from a 7,620-volt power line. In 2017, there were over ______________ electrical related violations cited by OSHA in the workplace. 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. indoors. Examples Of Electrical Hazards. %PDF-1.5 b.Ground Fault Critical Interrupter 0000421627 00000 n Select the correct answer and then click DONE. 1452 25 What is the output of the program in Exercise 17, if first = 26 and second = 8? 0000001646 00000 n 1.When you are using electricity near water If the insulation on the tool's power cord is damaged and you touch this area while grounded, the electricity will ________. b.811 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? 0000006866 00000 n a.Two-prong plug Electrical Safety Quiz Electrical safety is an important topic that you and your workers need to know about. Quiz Question 7: Which is not an insulator? 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. OSHA requires the testing of a volt meter after a voltage test on voltage above_____. c) Establish and enact an assured equipment grounding conductor program (AEGCP) Follow manufacturers' recommended testing procedure to insure GFCI is working correctly. 0000110659 00000 n How fast would the ball be moving at the moment of release? a.Supply power for tools or equipment on a temporary or short-term basis. 1. 3.When you are using portable power tools b.burns. 2. Which of the following are insulators of electricity? 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. a) Ensure overhead power line safety c. No, because the electricity is needed on a long-term basis. Intentionally creating a low-resistance path that connects to the earth. The factors that determine the severity of an electrical injury include: Question 3: If following lock out/tag out procedures, what step should be taken BEFORE you shut down the equipment? 0000018681 00000 n Which of these can be used as insulating live-line tools for electrical protection. A 20-year-old bricklayer standing on the work platform in contact with the main scaffold was electrocuted. Select the correct answer and then click DONE. c.falls. 4.Damaged cover or insulation, When using electric-powered hand tools, do not overload: Electricity will form a "path" or "loop". 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. Apparently, his hand contracted and he was "locked" to the saw. 0000001116 00000 n 0000024814 00000 n 15,000 milliamps (15 amps) Lowest overcurrent at which a typical fuse or circuit breaker opens a circuit! Take any defective equipment out of service. No GFCI's were used. Look for overhead power lines and buried power line indicators. Electric current cannot exist without an unbroken path to and from the conductor. 4. Using a dry wood ladder when the possibility exists for contact with electricity. She has an older drill with a steel housing and a 3-prong plug. Looking for NFPA 70E Certification? Which of the following injuries can occur when muscles flex or twitch from an electrical shock? 2. 2 0 obj eTool : Construction - Electrical Incidents | Occupational Safety and Among all of the safety measures that can and should be used to prevent electrical shock, which one is the most essential? Then answer the questions below. Ground metal parts of the following non-electrical equipment, as specified by the OSHA standard [, Frames and tracks of electrically operated. a.311 While attempting to unplug the compressor from the extension cord, the employee was fatally shocked. Most of the hydrides of Group 1A and Group 2A metals are ionic. Underground electrical hazards are: A. Of the following choices, which are frequent electrical hazards 0000005632 00000 n Unless you know otherwise, assume that overhead lines are energized. Explain the process that prevents the poles from steadily cooling off and the tropics from heating up over time. 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. 182 0 obj <> endobj xref 182 41 0000000016 00000 n There are many types of hazards - chemical, ergonomic, physical, and psychosocial, to name a few - which can cause harm or adverse effects in the workplace. Use non-conductive wood or fiberglass ladders when working near power lines. The presence of ______ can turn you, your equipment, or insulators like wood, into conductors. 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+ The insulation on the extension cord was cut through and exposed bare, energized conductors which made contact with the ladder. True. An employee was texturing a wall using an air compressor. 0000004686 00000 n Study with Quizlet and memorize flashcards containing terms like OSHA's electrical standards are based on: A. ANSI standards B. 3.The length of time the body is in contact with electricity The following are electrical hazards: Shock. g]+fn_m{mja_0Y w endstream endobj 189 0 obj <> endobj 190 0 obj <>stream 0000006893 00000 n 3.ack of ground fault protection. d.Alert workers of any water in the area, GFCI is an acronym for: d.Water, Other electrical hazards in the workplace include: Course 812 Module 7 OSHA Focus Four Hazards: Electrocution - OSHAcademy d.Ground Fault Circuit Interrupter, : Another electrical hazard that can cause injury or death in the workplace is a ________ path to ground. H. <> Find the volume of the parallelepiped determined by the vertices (1,1,1),(4,7,2) . What was Latoya's first mistake? She finds several available in the shop. Is the west coast of Africa a plate boundary? _5JKy. 0000021516 00000 n 3.Clear PDF C. 0000007464 00000 n c.15 feet Select the correct answer and then click DONE. Continually audit cords on-site. OSHA 30 Construction Final Test Answer Key - Studylib OSHA Pros, LLC is an authorized provider of 360 Training, an OSHA-Accepted Provider, offering training and certification courses for NFPA 70E-Standard, and 0000002733 00000 n You discover the electrical cord on a drill has been damaged and some of the cord's insulation is missing. 2.Loose bolts Gloves used for electrical work must be inspected and tested prior to use, and be certified every: A. Select the correct answer and then click DONE. When inspecting extension cords, look for: 0000002557 00000 n Electricity for power tools was supplied from an exterior 120-volt, grounded AC receptacle located at the back of the residence. 0000000816 00000 n What are the 4 main type of hazards? [Ultimate Guide!] If a defective power tool gives you an electric shock, how might your muscles react? 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. Suppose a volcano threw so much ash into the air that it blocked much of the sunlight. -Damage to internal organs. 3 OSHA requires the testing of a volt meter after a voltage test on voltage above_____. 0000427811 00000 n Power was supplied through two extension cords from a nearby residence. c.40,000 volts When the victim reached down to connect the choker to the hoist cable, he suddenly collapsed. Explosion OSHA 30 - Module 12: Electrical Safety Flashcards | Quizlet Visually inspect all electrical equipment before use. When used on the moon? d/E \VZvl$Y#nH,EIm /\"BQ>Rkl6xZWtAgfs uVNSF!UTRQ91uR,6@hCH}]GAlaPh)NeT$iQ89S9|?4wahU ltz9 PH[$I&VX9WG%K~1{u8M:D"+HLEy 3@NR^z!rB^?RyOj;'Lof. Using the wrong light bulb wattage; Overloading power strips and outlets; Unprotected electrical outlets; Poor wiring; Defective electrical wires

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