g]+fn_m{mja_0Y w endstream endobj 189 0 obj <> endobj 190 0 obj <>stream When it completes a circuit through the body. BIOLOGICAL HAZARDS: term effects) and strain (longAssociated with working with animals, people, or infectious plant materials. c.Touching the motor Protection is lost because it will not trip when the system's load has been exceeded. It's okay to use extension cords with worn insulation, as . Using cords or tools with worn insulation or exposed wires. 0000022637 00000 n 0000002733 00000 n c.Guaranteed Fault Circuit Interrupter PDF Electrical Safety - Occupational Safety and Health Administration As she is adding in the chemicals, her hand touches the motor and it becomes energized. The auger then fell across the other worker, the 24-year-old victim. HWMo#7v#h>6,Z4- 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. 3.The length of time the body is in contact with electricity PDF ODULE 1 INTRODUCTION TO E SAFETY - Occupational Safety and Health -Grounding= a conductive connection to the earth which acts as a protective measure. Underground electrical hazards are: A. |tYny@YE>LkNj4-czZf"Usw>j\sv3fn},>},KeA s 4.Flex Power was supplied through two extension cords from a nearby residence. The driver stopped the truck under the power line, and the victim, not realizing that the truck had moved, swung the boom to position the bucket behind the truck. 0000018681 00000 n 2.Is working properly Select the choices that accurately define the common electrical term. b.A fast-acting switch monitoring current flow b) By supplying GFCIs, or ground-fault circuit interrupters Explain the process that prevents the poles from steadily cooling off and the tropics from heating up over time. b.Metal In 2017, there were over ______________ electrical related violations cited by OSHA in the workplace. When does electricity become hazardous to humans? a.Your thumb. Quiz: Electrical Hazards. c.Gasoline h|UnH}+i-. Be sure equipment that has been shop fabricated or altered is in compliance. Becoming part of the circuit exposes you to ________, the most dangerous electrical hazard. 3.ack of ground fault protection. using a 30-amp breaker in a system with 15- or 20-amp receptacles. I;C`_;LV'd,|#H--e`( ')'RpAgA7O`?%68SB xb```VVF A10p,``Pp`hhdpn``r`L:[ I,aZ4Knj21 `ny; Ge7t@OrMx)"cx&e:[~J%aUJ\*t b.Yes, because Bob was on . An employee was texturing a wall using an air compressor. 3.Clear electrical safety part 1 Flashcards | Quizlet 0000421627 00000 n OSHA: Common Electrical Hazards Flashcards | Quizlet 3 OSHA requires the testing of a volt meter after a voltage test on voltage above_____. 2.Complete <>>> Call ________ prior to digging to be connected with your local One Call Center to have all underground lines located by the utility company. OSHA: Air Monitoring & Medical Surveillance, 5 ANO - RETOMANDO ARTIGO, SUBSTANTIVO E ADJE. Stay at least 10 feet away from overhead power lines. Question 3: If following lock out/tag out procedures, what step should be taken BEFORE you shut down the equipment? a.related to muscle damage. 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. You should? Explosion. 0000002557 00000 n As the victim climbed down a makeshift ladder, he shifted the saw from his right hand to his left, and was shocked. 4.Broken. De-energizing 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: 3.Maintaining a safe distance of at least 10 feet from all overhead power lines. 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. 2. 0000007694 00000 n Dust 2. a.311 1.The humidity of the environment Which of the following injuries can occur when muscles flex or twitch from an electrical shock? Question 1: Which of the following is a danger of electricity? a. -Conductor= permits the free flow of electricity. 4.Damaged cover or insulation, When using electric-powered hand tools, do not overload: Hazards are created when cords, cord connectors, receptacles, and cord- and plug connected equipment are improperly used and maintained. 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. Test your knowledge with our electrical safety quiz below. Match the length from job to outlet. 0000006152 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 Select the correct answer and then click DONE. 1.Is faulty Check your employee's electrical safety knowledge through an electrical safety quiz. 0000012360 00000 n The small electrical current enters his body through his left leg. Yes, because he will be using electricity near water. d. No, because an extension cord would not provide enough power. Follow manufacturers' recommended testing procedure to insure GFCI is working correctly. Question 2: Which of the following are ways . 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 5. 2. Select the correct answer and then click DONE. b. Ground all power supply systems, electrical circuits, and electrical equipment. 0000021516 00000 n Flexible Cord Not 3-Wire, Hard Service Variety: A worker received a fatal shock when he was cutting drywall with a metal casing router. 2.Loose screws What are the 4 main type of hazards? [Ultimate Guide!] A. wrap tape around the damaged spot to prevent electrical shocks. 0000010155 00000 n 1.When you are using electricity near water When he grasped the handle of the bucket to pull it down, the crane cable came into contact with the overhead line. Question 1: Which of these is a type of Ground Fault Circuit Adapter? 4.The amount of current, An electrical burn may affect: c.falls. Does the fall qualify as an electrical accident? Ground metal parts of the following non-electrical equipment, as specified by the OSHA standard [, Frames and tracks of electrically operated. d.50,000 volts. A 20-year-old bricklayer standing on the work platform in contact with the main scaffold was electrocuted. 3.Draped over equipment. OSHA 30 - Quiz 3 - Electrocution Hazards Flashcards | Quizlet 0000014257 00000 n The victim was part of a crew that was constructing a concrete wall. Use only equipment that is approved to meet OSHA standards. a.Supply power for tools or equipment on a temporary or short-term basis. 3.Needs to be reset H. a.Two-prong plug 3 0 obj xYmo -ER/&@[D,_! Should Ajay use a GFCI? She finds several available in the shop. When selecting the right extension cord, a good rule of thumb is to match the thickness of the extension cord to the thickness of: 0000013999 00000 n 3. (See NFPA 70E-2021 Article 130 and OSHA subpart S part 1910.333 (a) (1)- (2) and (c) for complete details.) Which of these can be used as insulating live-line tools for electrical protection. PDF SAFETY HAZARDS: These are the most PHYSICAL HAZARDS: CHEMICAL HAZARDS OSHA 30 Construction Final Test Answer Key - Studylib 0000001814 00000 n A 56-year-old construction laborer was removing forms from a concrete wall poured several days earlier. 0000007464 00000 n 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 . View Best Practices with Power Lines Quiz OSHA 30.docx from OSHA 30 at Columbia Southern University. The NEC C. Suggestions 0000013716 00000 n Lx*jWP# /c2)|]NXqAx>=~'[ q>NmnLNmb$"Iyx1bD9.~Ll. 0000024814 00000 n 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 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 0000007741 00000 n Easy to identify Both could have prevented the accident from occuring. Unless you know otherwise, assume that overhead lines are energized. 0000006866 00000 n 4. The victim was totally deaf in one ear and suffered diminished hearing in the other. 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. and more. Frames of non-electrically driven elevator cars to which electric conductors are attached. 2 0 obj Even when the power system is properly grounded, electrical equipment can instantly change from safe to hazardous because of extreme conditions and rough treatment. When the victim reached down to connect the choker to the hoist cable, he suddenly collapsed. b+t6W' te+.W_{8u7Dt@1c. c.A measurement of electricity 0000422244 00000 n 2.Yes, because he is using a portable power tool. 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.Damaged cover or insulation Potential hazards of electricity are preventable if you do which of the following listed below? :$#k9BPnZ{Qqe/reKy,'ZlB# -Falls. trailer <<11AC4BACEBCA4B32A885F1120BD3A307>]>> startxref 0 %%EOF 153 0 obj <>stream Outlets Quiz Question 4: Which is a preventive measure to prevent hazards while working with power lines? Select the correct answer and then click DONE. 0000011060 00000 n A co-worker disconnected the power cord to the saw, too late to save the victim. True. 0000005632 00000 n Among all of the safety measures that can and should be used to prevent electrical shock, which one is the most essential? 4.Cardiac arrest (a) Describe the reaction between the hydride ion and water in terms of a Bronsted acid-base reaction. 0000002876 00000 n s\A0W+GA?~G?nnnnnnnnnnnn>>{Wrbrbrbrb sbZef'N(:QvD":1vbo7o7o7W*_bTs6ivyU,;dFW` { endstream endobj 191 0 obj [/ICCBased 211 0 R] endobj 192 0 obj <> endobj 193 0 obj <> endobj 194 0 obj <> endobj 195 0 obj <> endobj 196 0 obj <>stream Do not remove ground prongs from cord- and plug-connected equipment or extension cords. Best Practices with Power Lines Quiz OSHA 30 - Best There were no eyewitnesses to the accident, but evidence suggests that while the victim was handling the damaged and energized extension cord, he provided a "path to ground" and was electrocuted. Which of the following are insulators of electricity? Using circuit breakers or fuses with the wrong rating for over-current protection, e.g. 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. c) Establish and enact an assured equipment grounding conductor program (AEGCP) Introduction To Osha Quiz Answers1) Which of the following activities Electrical current travels through insulated ________. True. 3.When you are using portable power tools Select the correct answer and then click on DONE. %PDF-1.4 % 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. 4.Circuit breakers, When inspecting power tools, look for: 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. When you plug in a device (e.g., a power tool), the electricity takes the easiest path from the plug-in, to the tool, and back to the power source. -Current= the movement of electrical charge. 0000057373 00000 n d.Alert workers of any water in the area, GFCI is an acronym for: Is split !DP#vr-\DM<6V-2'I5l6)Z@^m=}c3-aUOo6rr V-Y3d6HABmjD $TQCvK*eg&|Y596#H\ The first worker knocked the auger off the victim, but saw that the electric cord was wrapped around the victim's thigh. a.Extension cords Overview. Looking for NFPA 70E Certification? Which of the following part of you body can burn if you come in contact with electricity? The victim signaled the operator of the crane to extend the boom and lower the hoist cable. 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. Other protective measures include guarding or insulating the lines. Identify the oxidizing and reducing agents. It is important to note that NFPA 70E is a . 1.A source of electrical current to flow. 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: 0000427811 00000 n 0000003254 00000 n Select the correct answer and then click DONE. d.Water, Other electrical hazards in the workplace include: Visually inspect all electrical equipment before use. Latoya is using a mixing motor to mix pool chemicals in a plastic drum. s\A0W+ 0000004921 00000 n d.The body of the power tool. 0000000816 00000 n gYpV:+ If a defective power tool gives you an electric shock, how might your muscles react? Is not broken, Question Text: Electrical tools should be grounded with a(n)________. You can classify scales for weighing objects as those that use springs and those that use standard masses to balance unknown masses. Electrical Safety Quiz-Test Your Electrical Safety Knowledge 0000003603 00000 n d.A power tool, A GFCI is designed to: The source of the shocks -- the saw -- was not replaced. Then answer the questions below. OSHA: Air Monitoring & Medical Surveillance, WebQuest: Biomes, Ecosystems and Habitats. When inspecting extension cords, look for: c. Extend the reach of the power tool. A) 120v . 0000004444 00000 n Switch 1. Know glove capability VS hazard anticipated (exposure to chemicals, heat, or flames). Electrical Safety Quiz - OSHA.net As he removed the forms, he wrapped them with a length of cable called a choker, which was to be attached to a crane. 0000003640 00000 n Use only cords, connection devices, and fittings that are equipped with strain relief. d/E \VZvl$Y#nH,EIm /\"BQ>Rkl6xZWtAgfs 2.Skin x_HSqnwmky54YLzeStJi# TZObFT*.#BQF/Q What three things must be present for a current to flow through a conductor. 1 0 obj D. Have an ANSI sticker and an expiration date. Lockout/tagout procedures. 0000005406 00000 n trailer <]/Prev 500768/XRefStm 1495>> startxref 0 %%EOF 222 0 obj <>stream These short objective type questions with answers are very important for competitive exams as well as Board exams. -If current passes through the body near the heart or brain. De-energize and ground lines when working near them. Best Practices with Power Lines 1. 10,000 milliamps (10 amps) Cardiac arrest and severe burns occur. 0000009628 00000 n hb``b``=p0X8n0lY0L#rK[V26h* @0H!XDl+!&FfUfo`h6l Used across walkways. (3,2,1), (5,4,3). 3. d. 20 feet. The \rule{1cm}{1pt} artery carries deoxygenated blood from the heart to the lungs. -Wood. 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. 0000002479 00000 n OSHA 29 CFR 1910, Subpart P . 0000015549 00000 n Overhead and buried power lines at your site are especially hazardous because they carry extremely high voltage. Remove from service any equipment with frayed cords, missing ground prongs, cracked tool casings, etc. OSHA CONSTRUCTION FINAL EXAM Question and Answer Part 10. ly/homeo3b700 Which of the following is a resource within the. When current travels through your body - Definition of electric shock. OSHA: How Electricity Works Flashcards | Quizlet Electrical Contractors Industry. c.40,000 volts 1.Using a fiberglass ladder when the possibility exists for contact with electricity. H\n@0vj@/R#tnvihavopnS1>v8Z6zLpOCRU.O^6pImjgk{xv6%zp\,{|7_WqNfhu09$U?kW}: }y}]OIL5~W*8D~%W-yww;sORYbfspA.%YJV L%=Kx&0W+ 0000004884 00000 n b.Ground Fault Critical Interrupter 0000089142 00000 n <> he most common shock-related injuries are: Provide a safe path to earth ground for electricity. b.Rod Which one of these methods MOST effectively protects machines, tools, and operators against damage from electrical current? 4. Select the correct answer and then click DONE. xref View Answer Answer: 600v 4 . 1.Cuts 1. %PDF-1.5 2.Placed along a wall. How might this event affect the ability of animals to obtain energy to live? Co-workers provided CPR, but were unable to revive the victim. c.15 feet One handle has a deadman's switch. lb MKS Quiz Question 2: Which is acceptable when using powdered tools? 0000001495 00000 n The following hazards are the most frequent causes of electrical injuries Contact with power lines, Lack of ground-fault protection, Path to ground missing or discontinuous, Equipment not used in manner prescribed, and Improper use of extension and flexible cords. Both the operator and the victim failed to notice that the boom had contacted a 2,400-volt overhead power line. Select the correct answer and then click DONE. Electrical hazards expose workers to the following: Burns: Three types; electrical, arc flash, or thermal contact. 0000002385 00000 n Safe operation of hand and portable powered tools and other hand-held equipment. 0000004273 00000 n Use only extension cords that are 3-wire type. Two of the extension cords had no ground prongs, and some of them were repaired with electrical tape. 0000006893 00000 n c.911 Electricity to the auger was supplied by a series of 50-foot extension cords running to an adjacent property. 5>vB35Plm$\4{U[lU`t~.vJGmFO^@+ cGPzNY*oS(m%q{Agp %PDF-1.4 % Using tools and equipment that can contact power lines increases the risk. Explosion OSHA 29 CFR 1910.147 . % 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. 3.Something that causes current to flow through the . 4.On equipment that must run unattended for long periods of time, Manufacturing equipment may be grounded using a wire connected to a rod driven into the earth. Metal partitions, grill work, and similar metal enclosures around equipment of over 1kV between conductors. Short Confined spaces Machinery-related hazards (lockout/tagout, boiler safety, forklifts, etc.) . Question 4: Which of the following is a type of burn caused by electrical hazards? OSHA 29 CFR 1910, Subpart S . Electrical Safety Standards in the Workplace - NFPA 70E - Grainger KnowHow OSHA 10 - Electrical Flashcards | Quizlet 2.The person's physical condition SCENARIO: You encounter a co-worker on a residential remodeling job. Exercise their rights under the law without retaliation, including reporting an injury or raising health and safety concerns with their employer or OSHA. (D) None of the above. RZyd The floor is covered in water and she is barefoot. The normal wear and tear on extension and flexible cords at your site can loosen or expose wires, creating hazardous conditions. c. Inductive objects c.Absorb any water around the area When an electric shock occurs, your muscles may: 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 Pros, LLC is an authorized provider of 360 Training, an OSHA-Accepted Provider, offering training and certification courses for NFPA 70E-Standard, and

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