0000007116 00000 n Using tools and equipment that can contact power lines increases the risk. 1476 0 obj <>stream When it completes a circuit through the body. Electrical safety requirements necessary for the practical safeguarding of employees in the workplace. 2.Grease 0000414648 00000 n 0000004946 00000 n 3.Tears 0000001672 00000 n Question 2: Which of the following are ways . Electric current cannot exist without an unbroken path to and from the conductor. Extension cords may become a trip hazard when: 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. If the insulation on the tool's power cord is damaged and you touch this area while grounded, the electricity will ________. b.10 feet 1 0 obj He yelled for his co-workers to disconnect the power, which they did. a.20,000 volts 0000024814 00000 n 1.Extension cords (See NFPA 70E-2021 Article 130 and OSHA subpart S part 1910.333 (a) (1)- (2) and (c) for complete details.) (3,2,1), (5,4,3). The first worker knocked the auger off the victim, but saw that the electric cord was wrapped around the victim's thigh. Effective means of controlling power line hazards include: Select the correct answer and then click DONE. Suppose a volcano threw so much ash into the air that it blocked much of the sunlight. 0000002733 00000 n Frames of non-electrically driven elevator cars to which electric conductors are attached. 4.Dirt build-up, Use only approved and authorized power tools in areas where the following hazards may be present: 0 10,000 milliamps (10 amps) Cardiac arrest and severe burns occur. )KL3C?e%Y92$,]^)kmR/!8\ JF N'bT\U1+tc+&:'ZuGi!UeUrE [?CrU.&|#@Ed,=2UF]r/n/{v-;v>%/~;[*AxBU,-#!uyFGR,Wv[ cOzObnZfI4ob:pf "~ .iBE@mOs:Os5U9cnU` Vd"F'4Bm?>}hyRQyrX0U026h7#L'. Select the correct answer and then click DONE. Ground metal parts of the following non-electrical equipment, as specified by the OSHA standard [, Frames and tracks of electrically operated. qnde>9!.,T2 :hw5 #OaPxkx=y7]J-yv*'H$jmVCq$ sx:R2$9SY+D!!LJ:n+.\#Hu~2VI O? 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. Extend the reach of the power tool. Additionally, the ground prong was missing and there was no GFCI protection. d) All of the above. a.311 0000420277 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. How might this event affect the ability of animals to obtain energy to live? Electricity for power tools was supplied from an exterior 120-volt, grounded AC receptacle located at the back of the residence. b.The tool's power cord. 2. a) Door or window edges Explain the process that prevents the poles from steadily cooling off and the tropics from heating up over time. 1) The _____ created the Occupational Safety and Health Administration (OSHA) to set and enforce protective workplace safety and health standards. 0000004273 00000 n 1.Is firmly connected Determine duration, frequency, degree of exposure to hazards and physical stress. 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. a) Ensure overhead power line safety D 600v. 0000001731 00000 n d. heart attacks. ( Select the correct answer and then click DONE. Power was supplied through two extension cords from a nearby residence. 3.Maintaining a safe distance of at least 10 feet from all overhead power lines. 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 d. 20 feet. Which of these can be used as insulating live-line tools for electrical protection. Study with Quizlet and memorize flashcards containing terms like Bob is asked to repair some overhead wiring, requiring the use a ladder. Cardiac arrest or death - A result of electrical shock. Electricity to the auger was supplied by a series of 50-foot extension cords running to an adjacent property. These short objective type questions with answers are very important for competitive exams as well as Board exams. Work performed on an electrical system within reaching distance of energized components is_____work. The NEC C. Suggestions 0000002557 00000 n 3 0 obj Extension cords had poor splices, no grounds, and reversed polarity. vpfuI)],s Frequently inspect electrical systems to insure that the path to ground is continuous. Co-workers provided CPR, but were unable to revive the victim. 1.Damaged cover or insulation Use the terms (freezing, gas, liquid, physical changes, solubility, solution, temperature, volume) to complete the sentence. Electrical Safety Multiple Choice Questions and Answers for competitive exams. 1 0 obj b.811 s\A0W+ De-energizing Electricity must follow an uninterrupted loop from the power source to the equipment and back to the power source or ________. The accident site was wet; also, humidity was high and the victim was sweating. 0000004793 00000 n -Voltage= a measure of electrical force. 5. True. Which of the following are conductor of 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. A worker was removing a metal antenna when it made electrical contact with a 7200-volt power transmission line. 3.Loss of eyesight SCENARIO: You encounter a co-worker on a residential remodeling job. A fault occurred, and with no grounding and no GFCI protection, the worker was electrocuted. How will she choose the correct cord? A) 120v . 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 0000002386 00000 n Freeze -Damage to internal organs. <> The factors that determine the severity of an electrical injury include: 1. An examination revealed that the spring, cover plate, and part of the melamine casing were missing from the face of the female connector (the spring and some melamine fragments were found at the accident site). 1. 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. Question 1: Which of the following is a danger of electricity? An OSHA inspection revealed that the tool's original power cord had been replaced with a flat cord, which was not designated for hard service, and that strain relief was not provided at the point where the cord entered the tool. The source of the shocks -- the saw -- was not replaced. I;C`_;LV'd,|#H--e`( ')'RpAgA7O`?%68SB One hand drill was not grounded, and the other had no safety plate. 0000007427 00000 n 0000004686 00000 n When inspecting extension cords, look for: 1452 0 obj <> endobj On the day of the incident, the victim plugged in a damaged extension cord and laid it out towards the bulkhead. Muscular contraction and nerve damage occur; death likely. A 20-year-old bricklayer standing on the work platform in contact with the main scaffold was electrocuted. specifically addresses electrical protective devices. 0000057373 00000 n 0000110659 00000 n c.40,000 volts Is not painted over If a defective power tool gives you an electric shock, how might your muscles react? Select the choices that accurately define the common electrical term. What factors determine the severity of Dirk's injuries? The auger then fell across the other worker, the 24-year-old victim. Select the correct answer and then click DONE. c.Power lines 0000002150 00000 n Question 2: Which of the following are ways employers must protect their employees on the workplace? %PDF-1.5 Supply power for tools or equipment on a long-term basis. endobj After the wall was poured, one driver cleaned the loading chute of his cement truck with a water hose mounted on the truck. Electrical Safety Quiz Electrical safety is an important topic that you and your workers need to know about. 0000006866 00000 n 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. OSHA: Air Monitoring & Medical Surveillance, WebQuest: Biomes, Ecosystems and Habitats. lex has set up a mobile engine testing station in the maintenance area. The small electrical current enters his body through his left leg. 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. 2 0 obj DHPP0MHLHIPPXc f2LXL"dgJ:@ ys`llr-shH,Y@Z 23J0a_TXD;X,;&0i,i&f&T8h R/ v`,l. 440!2D9482q={LPXs +( endstream endobj 129 0 obj <> endobj 130 0 obj <> endobj 131 0 obj <>/ColorSpace<>/Font<>/ProcSet[/PDF/Text/ImageB]/ExtGState<>>> endobj 132 0 obj <> endobj 133 0 obj <> endobj 134 0 obj <> endobj 135 0 obj <>stream Using multi-receptacle boxes designed to be. Ground all exposed metal parts of equipment. The length of time the body is in the circuit, in contact with electricity - Factor determining the severity of an electrical . Quiz Question 1: Which of the following is not a category of electrical burns? 2.Is working properly Should Ajay use a GFCI? Then answer the questions below. The floor is covered in water and she is barefoot. Among all of the safety measures that can and should be used to prevent electrical shock, which one is the most essential? b.A fast-acting switch monitoring current flow 0000000816 00000 n Follow manufacturers' recommended testing procedure to insure GFCI is working correctly. h|UnH}+i-. 0000003640 00000 n Ground metal parts of the following non-electrical equipment, as specified by the OSHA standard [29 CFR 1926.404(f)(7)(v)]: Frames and tracks of electrically operated cranes. Check your employee's electrical safety knowledge through an electrical safety quiz. Hazards are created when cords, cord connectors, receptacles, and cord- and plug connected equipment are improperly used and maintained. 0000008392 00000 n 1.Using a fiberglass ladder when the possibility exists for contact with electricity. The source of the electricity was apparently a short in a receptacle, but examination revealed that the electrical equipment used by the contractor was in such poor condition that it was impossible to make a certain determination of the source of the short. OSHA CONSTRUCTION FINAL EXAM Question and Answer Part 10. ly/homeo3b700 Which of the following is a resource within the. Is the west coast of Africa a plate boundary? Study with Quizlet and memorize flashcards containing terms like OSHA's electrical standards are based on: A. ANSI standards B. 0000108653 00000 n 2. 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. Looking for NFPA 70E Certification? Short Confined spaces Machinery-related hazards (lockout/tagout, boiler safety, forklifts, etc.) 0000056642 00000 n 5.Twitch, Electrical shock may result in: Protection is lost because it will not trip when the system's load has been exceeded. 1. 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. As he removed the forms, he wrapped them with a length of cable called a choker, which was to be attached to a crane. 0000005406 00000 n What do tripped circuit breakers and blown fuses indicate? 4.Running through doorways. -Conductor= permits the free flow of electricity. Find the volume of the parallelepiped determined by the vertices (1,1,1),(4,7,2) . 0000068035 00000 n B. He may have dropped the extension cord at the site and not heard the connector break. 0000007464 00000 n Metal partitions, grill work, and similar metal enclosures around equipment of over 1kV between conductors. It's okay to use extension cords with worn insulation, as . 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. -Grounding= a conductive connection to the earth which acts as a protective measure. hb``b``=p0X8n0lY0L#rK[V26h* @0H!XDl+!&FfUfo`h6l 1.Flammable liquids endobj Does the fall qualify as an electrical accident? What is the minimum clearance distance you must maintain from the power lines? Fire 15,000 milliamps (15 amps) Lowest overcurrent at which a typical fuse or circuit breaker opens a circuit! 3.Vapor Regarding hand protection employers should: A. b.Ground Fault Critical Interrupter 0000001896 00000 n The following references aid in recognizing hazards associated with electrical work. Of the following choices, which are frequent electrical hazards 4.The amount of current, An electrical burn may affect: . When the victim reached down to connect the choker to the hoist cable, he suddenly collapsed. 0000013999 00000 n 0000010603 00000 n OSHA Safety and Health Topics Page. 0000427811 00000 n 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 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. A. indoors. c.Touching the motor Electrical hazards like frayed cords, missing ground pins, improper wiring or the harm that these hazards pose. 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. 0000000816 00000 n [, Use all equipment according to the manufacturer's instructions. [, Do not modify cords or use them incorrectly. View Best Practices with Power Lines Quiz OSHA 30.docx from OSHA 30 at Columbia Southern University. d.Ground Fault Circuit Interrupter, : Another electrical hazard that can cause injury or death in the workplace is a ________ path to ground. OSHA will keep all identities confidential. 0000001604 00000 n 1.The humidity of the environment b.30,000 volts BE SAFE! Explain the purpose and use of the MyPlate symbol. 3.Body tissue <>>> Outlets a. 4. Unless you know otherwise, assume that overhead lines are energized. 0000009628 00000 n If you are touching any grounded material while using a power tool -If current passes through the body near the heart or brain. When used on the moon? Underground electrical hazards are: A.
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