which of the following are electrical hazards osha quizlet

0000001731 00000 n Is not painted over 0 a.20,000 volts 3 0 obj 0000007694 00000 n How fast would the ball be moving at the moment of release? Work performed on an electrical system within reaching distance of energized components is_____work. 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. . 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. endobj -Conductor= permits the free flow of electricity. 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. Computers 0000427811 00000 n g]+fn_m{mja_0Y w endstream endobj 189 0 obj <> endobj 190 0 obj <>stream <>>> Visually inspect all electrical equipment before use. a.311 a.Standing in water gYpV:+ A) 120v . lb MKS 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 You should? Gloves used for electrical work must be inspected and tested prior to use, and be certified every: A. 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. 0000002195 00000 n Then answer the questions below. Used across walkways. OSHA will keep all identities confidential. (E) a, b, and c. 2. xref On the day of the incident, the victim plugged in a damaged extension cord and laid it out towards the bulkhead. x=k6S *ywvkDyb_w rg&@Q5/^4O_~w/]7[xqs7Zt?LK-,>W\W`Mb?n8\.vpOJA7~5R%.oJd|Bbv7biQH%^~C=m3_ov{8] }C.Se={o7H[w@/^j BgXRC/O/eiLHiN\4~7x=^J@|]zu"x]lQ-+.xF=oY +B?jSl|(agF_].+UH\!/;AU .cG!h@42 iqnkZtdc#^)AX96(wFZ,RP{[\j\aJgc) diV;BNzZge(}=0Pj Qp@"]yOnNw89 4. 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 0000002557 00000 n 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. 30 days B. 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. Of the following choices, which are frequent electrical hazards Outlets c.A measurement of electricity (B) Switch sticks. Switch Extension cords are used to: OSHA 29 CFR 1910, Subpart P . Electricity to operate portable power tools was supplied by a temporary service pole 50 feet away. Before using the equipment, be sure that the ground wire: 3.The length of time the body is in contact with electricity stream 0000005042 00000 n [29 CFR 1926.416(a)(1)]. 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? a.Two-prong plug Most of the hydrides of Group 1A and Group 2A metals are ionic. You discover the electrical cord on a drill has been damaged and some of the cord's insulation is missing. d.Adapter, What is a GFCI? 2. Is the west coast of Africa a plate boundary? lex has set up a mobile engine testing station in the maintenance area. a.Electricity Potential hazards of electricity are preventable if you: Electricity must always travel in a(n) ________, ________ circuit. 4.Organs, The presence of ________ can turn you, your equipment, or insulators like wood into conductors. Extension cords had poor splices, no grounds, and reversed polarity. stream Easy to identify 1.A source of electrical current to flow. Is not broken, Question Text: Electrical tools should be grounded with a(n)________. The modification of the plug was not an intended use or prescribed by the manufacturer. 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) All of the above. s\A0W+ OSHA: Air Monitoring & Medical Surveillance, 5 ANO - RETOMANDO ARTIGO, SUBSTANTIVO E ADJE. Frames of non-electrically driven elevator cars to which electric conductors are attached. 3. Electrical Safety Multiple Choice Questions and Answers for competitive exams. Be sure equipment that has been shop fabricated or altered is in compliance. Damaged Extension Cord Leaves Arc Welder Ungrounded: A 29-year-old welder attempted to connect a portable arc welder to an electrical outlet using an extension cord. Test your knowledge with our electrical safety quiz below. Equipment used in manner prescribed. 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). 1.Missing Which of the following injuries can occur when muscles flex or twitch from an electrical shock? 0000005734 00000 n c.falls. 0000002479 00000 n 0000006152 00000 n a. Yes, because he will be using electricity near water. If you are touching any grounded material while using a power tool What is the output of the program in Exercise 17, if first = 26 and second = 8? :$#k9BPnZ{Qqe/reKy,'ZlB# A fault occurred, and with no grounding and no GFCI protection, the worker was electrocuted. The light fixture, which served as a ground, was known to be faulty for at least 5 months before the incident. The auger has a one-quarter horsepower motor encased in a metal housing with two handles. d.Alert workers of any water in the area, GFCI is an acronym for: ( 0000001814 00000 n c. Extend the reach of the power tool. 1. d.Ground Fault Circuit Interrupter, : Another electrical hazard that can cause injury or death in the workplace is a ________ path to ground. Electrical current travels through insulated ________. Question 1: Which of the following is a danger of electricity? 0000005406 00000 n How will she choose the correct cord? <> 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. 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. The victim provided a path to ground and was electrocuted. Select the correct answer and then click DONE. 0000011060 00000 n 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. 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. Check your employee's electrical safety knowledge through an electrical safety quiz. a.Conductive objects (a) Describe the reaction between the hydride ion and water in terms of a Bronsted acid-base reaction. 2.Something to transport the electrical current -- A conductor. 4 0 obj Select the correct answer and then click DONE. Two of the extension cords had no ground prongs, and some of them were repaired with electrical tape. [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. 0000000816 00000 n 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. Select the correct answer and then click DONE. =EAn`u!d, |\~Y>ZF( dnLN\2vP6 >sSjgh2:Lmqx#a[G2{h$zW]_:@Lvr)2T:R-/ `&~O4j)>1P*M 5>F:1B.g!AR 0000003603 00000 n B 208v. d.Water, Other electrical hazards in the workplace include: 0000010155 00000 n One hand drill was not grounded, and the other had no safety plate. Select the choices that accurately define the common electrical term. 1.Is firmly connected 0000022637 00000 n Becoming part of the circuit exposes you to ________, the most dangerous electrical hazard. 1. c.Wood 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. 5 feet 4,600. %PDF-1.4 % Question 1: Each year, approximately __________ workers suffer from electricity related injuries. As he is working on the wiring, he receives an electrical shock that knocks him backward and causes him to fall off the ladder. True. 0000005520 00000 n 0000004274 00000 n 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. d. 411, You are working with a 10-foot section of a conductive pipe near power lines. Wearing a baseball cap Dust A measure of the energy of motion of the particles in a substance is its _____. 2 0 obj 0000018681 00000 n Death is probable. OSHA requires the testing of a volt meter after a voltage test on voltage above_____. uVNSF!UTRQ91uR,6@hCH}]GAlaPh)NeT$iQ89S9|?4wahU ltz9 PH[$I&VX9WG%K~1{u8M:D"+HLEy 3@NR^z!rB^?RyOj;'Lof. HJ=S~68438IR/:VR C Y<7H*$F>ya)N1bTa+'OdzydV9QS]b{}(=q?pH,mt8{Ag ]wp?2N$AfnhBL!jV=6ho)5jA8H`Bkh{T[v\G%b|4| Eo*cF ]TBGjB[r6)WzCkQ;Bx(]*JG;&o0TV.P=s4Gs(&e~}j76,-6at$]r**-I!o66PqK.z "*D (b) The same reaction can also be classified as a redox reaction. The insulation on the extension cord was cut through and exposed bare, energized conductors which made contact with the ladder. 0000015549 00000 n The victim collapsed into the lake and sank 4-1/2 feet to the bottom. 1. 0000110659 00000 n Select the correct answer and then click DONE. 0000420887 00000 n I;C`_;LV'd,|#H--e`( ')'RpAgA7O`?%68SB OSHA 10 - Exit Routes, Emergency Action Plans, The Analysis and Design of Linear Circuits, Albert J. Rosa, Gregory J. Toussaint, Roland E. Thomas. Ajay needs to use a dewatering pump to drain standing water on a construction site. Electrical safety quiz answers are given below. In addition to contact with power lines, the top electrical hazards include: Use tools and equipment according to the instructions included in their listing, labeling or certification. 1.The humidity of the environment 3.Needs to be reset Which group would be more accurate when used in an accelerating spaceship? 4. The following are electrical hazards: Shock. The router's 3-wire power cord was spliced to a 2-wire cord and plug set which was not rated for hard service. Overview. Which of the following part of you body can burn if you come in contact with electricity?

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