0000002403 00000 n -Voltage= a measure of electrical force. Which of the following part of you body can burn if you come in contact with electricity? 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. C 277v. OSHA requires the testing of a volt meter after a voltage test on voltage above_____. Is the west coast of Africa a plate boundary? Besides personal bodily injury, what other electrical hazards can be found in the workplace? xref Which of the following injuries can occur when muscles flex or twitch from an electrical shock? (3,2,1), (5,4,3). Determine duration, frequency, degree of exposure to hazards and physical stress. q>NmnLNmb$"Iyx1bD9.~Ll. -Wood. 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. c) Establish and enact an assured equipment grounding conductor program (AEGCP) 1. b.Not wearing insulating shoes or boots when she was handling electrical equipment If you are touching any grounded material while using a power tool [Flexible Cords and Power Tools] If there is no ground-fault protection, these can cause a ground-fault that sends current through the worker's body, resulting in electrical burns, explosions, fire, or death. Question 2: It's okay to use extension cords with worn insulation, as long as you are careful about it. Wearing a baseball cap The insulation on the extension cord was cut through and exposed bare, energized conductors which made contact with the ladder. Power was supplied through two extension cords from a nearby residence. Frames of non-electrically driven elevator cars to which electric conductors are attached. If the power supply to the electrical equipment at your site is not grounded or the path has been broken, fault current may travel through a worker's body, causing electrical burns or death. Ground all exposed metal parts of equipment. 0000419562 00000 n %PDF-1.4 % a.Yes, because the electrical shock caused the fall. Arc Flash. Exercise their rights under the law without retaliation, including reporting an injury or raising health and safety concerns with their employer or OSHA. gYpV:+ 1. Apparently, his hand contracted and he was "locked" to the saw. Both could have prevented the accident from occuring. c.Three-prong plug Study with Quizlet and memorize flashcards containing terms like Bob is asked to repair some overhead wiring, requiring the use a ladder. a.Conductive objects The ground wire was not attached on the male end of the cord's plug. Select the correct answer and then click DONE. No GFCI's were used. Quiz Question 5: A/an ___________ is a unit of measurement for electrical resistance. 1.A source of electrical current to flow. endobj Look for overhead power lines and buried power line indicators. 3. The normal wear and tear on extension and flexible cords at your site can loosen or expose wires, creating hazardous conditions. 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. Draw a line from the item on the left that corresponds to the match on the right. 182 0 obj <> endobj xref 182 41 0000000016 00000 n Find the energy required to raise an electron from the n=4n=4n=4 state to the n=5n=5n=5 state in Li2+\mathrm{Li}^{2+}Li2+ and in hydrogen atom. Continually audit cords on-site. 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. 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. 4. Hand-operated metal shifting ropes or cables of electric elevators. 3.Clear 3.Loose nuts 1452 0 obj <> endobj Dust The NEC C. Suggestions 2. b.30,000 volts b.Ground Fault Critical Interrupter The contact lasts for 5 seconds before someone is able to shut off the power. Provide a safe path to earth ground for electricity. View Answer Answer: 600v 4 . 3.Draped over equipment. True. 0000414648 00000 n What is the most common, non-fatal, electrical shock-related injury? 4. While attempting to unplug the compressor from the extension cord, the employee was fatally shocked. De-energizing _.9u'2G_0 Ue]e"x5|Y Quiz Question 10: Ground-fault circuit interrupters must be used for all of the following except? 0000427811 00000 n specifically addresses electrical protective devices. Apply a warning tag to any defective tool and do not use it until the problem has been corrected. 1.When you are using electricity near water It's okay to use extension cords with worn insulation, as . 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. 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. The victim provided a path to ground and was electrocuted. Then answer the questions below. and more. D. Have an ANSI sticker and an expiration date. What is the minimum clearance distance you must maintain from the power lines? <>/ExtGState<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 792 612] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> 3 0 obj 0000012360 00000 n 4,600. Looking for NFPA 70E Certification? b. Deductive objects 2.Loss of muscle control 0000108920 00000 n b.811 2.Using an aluminum ladder when the possibility exists for contact with electricity. *Effects are for voltages less than about 600 volts. ( 4.Must be replaced, Always use a GFCI: What factors determine the severity of Dirk's injuries? c.Wood To be safe, you must think about your job and plan for hazards. Use only equipment that is approved to meet OSHA standards. 0000007116 00000 n d.Metal, Over half of all deaths caused by electricity result from contact with ________. Electrical hazards like frayed cords, missing ground pins, improper wiring or the harm that these hazards pose. Extension cords may become a trip hazard when: Ajay needs to use a dewatering pump to drain standing water on a construction site. Latoya is using a mixing motor to mix pool chemicals in a plastic drum. The victim signaled the operator of the crane to extend the boom and lower the hoist cable. Know glove capability VS hazard anticipated (exposure to chemicals, heat, or flames). 1.Fingernails The workers had removed their shirts and were sweating. The \rule{1cm}{1pt} artery carries deoxygenated blood from the heart to the lungs. (See NFPA 70E-2021 Article 130 and OSHA subpart S part . 0000000816 00000 n A) Identify; Castigate; C) Evaluate; D) Modify; 3. d) All of the above. Underground electrical hazards are: A. Ground all power supply systems, electrical circuits, and electrical equipment. 0000022637 00000 n d. 20 feet. startxref 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. D. near other electrical equipment. 0000003603 00000 n Question 3: If following lock out/tag out procedures, what step should be taken BEFORE you shut down the equipment? Most of the hydrides of Group 1A and Group 2A metals are ionic. b.Yes, as it would be too expensive to install more permanent wiring and receptacles. =EAn`u!d, |\~Y>ZF( dnLN\2vP6 >sSjgh2:Lmqx#a[G2{h$zW]_:@Lvr)2T:R-/ `&~O4j)>1P*M 5>F:1B.g!AR 2.The person's physical condition Flexible Cord Not 3-Wire, Hard Service Variety: A worker received a fatal shock when he was cutting drywall with a metal casing router. The individual's perspiration-soaked clothing/body contacted bare exposed conductors on one of the cords, causing an electrocution. a.20,000 volts View Best Practices with Power Lines Quiz OSHA 30.docx from OSHA 30 at Columbia Southern University. 1.Is firmly connected Which of the following can be the result of electric shock? 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.Running through doorways. She finds several available in the shop. OSHA Pros, LLC is an authorized provider of 360 Training, an OSHA-Accepted Provider, offering training and certification courses for NFPA 70E-Standard, and % 2.Yes, because he is using a portable power tool. Explain the process that prevents the poles from steadily cooling off and the tropics from heating up over time. The victim collapsed into the lake and sank 4-1/2 feet to the bottom. 0000089142 00000 n Safe operation of hand and portable powered tools and other hand-held equipment. 1 0 obj The following are electrical hazards: Shock. Question 1: Which of the following is a danger of electricity? When does electricity become hazardous to humans? 0000004946 00000 n Electrical Safety Quiz Electrical safety is an important topic that you and your workers need to know about. RZyd Select the correct answer and then click DONE. If a worker has been retaliated against for using their rights, they 0000005406 00000 n 10,000 milliamps (10 amps) Cardiac arrest and severe burns occur. c. Match the color of the tool to the color of the extension cord. In which of the following workplace situations are you at risk for coming into contact with live electrical . Bob is asked to repair some overhead wiring, requiring the use a ladder. 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 4.Damaged cover or insulation, When using electric-powered hand tools, do not overload:
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