0000001814 00000 n 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. The auger has a one-quarter horsepower motor encased in a metal housing with two handles. (B) Switch sticks. In addition to contact with power lines, the top electrical hazards include: D 600v. g]+fn_m{mja_0Y w endstream endobj 189 0 obj <> endobj 190 0 obj <>stream c.40,000 volts Which of these can be used as insulating live-line tools for electrical protection. . As the victim climbed down a makeshift ladder, he shifted the saw from his right hand to his left, and was shocked. Select the correct answer and then click on DONE. 2 0 obj 1 0 obj One worker, holding the deadman's switch, received a shock from a ground fault in the auger and was knocked back from the machine. Death. 0000001646 00000 n 0000005632 00000 n Potential hazards of electricity are preventable if you: Electricity must always travel in a(n) ________, ________ circuit. Latoya is using a mixing motor to mix pool chemicals in a plastic drum. NFPA 70E: Standard for Electrical Safety in the Workplace 2.Placed along a wall. Water -Wood. |tYny@YE>LkNj4-czZf"Usw>j\sv3fn},>},KeA s startxref 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: 0000002195 00000 n a.20,000 volts h|UnH}+i-. 0000015549 00000 n Arc Flash. Carly needs to use an extension cord with her corded nail gun. -Severe skin burns. 4.Organs, The presence of ________ can turn you, your equipment, or insulators like wood into conductors. _.9u'2G_0 Ue]e"x5|Y endobj Question 2: Which of the following is NOT a category of electrical burns? 0000422244 00000 n Which of the following are insulators of electricity? endobj trailer <]/Prev 500768/XRefStm 1495>> startxref 0 %%EOF 222 0 obj <>stream [29 CFR 1926.416(a)(1)]. c.Three-prong plug One hand drill was not grounded, and the other had no safety plate. 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. PDF SAFETY HAZARDS: These are the most PHYSICAL HAZARDS: CHEMICAL HAZARDS True. 0000004274 00000 n 0000006893 00000 n The following are electrical hazards: Shock. Electrical Safety Multiple Choice Questions(MCQs) & Answers - gkseries OSHA: How Electricity Works Flashcards | Quizlet When the victim reached down to connect the choker to the hoist cable, he suddenly collapsed. hazard or that their employer is not following OSHA's rules. What are the 4 main type of hazards? [Ultimate Guide!] 5. endobj OSHA Pros, LLC is an authorized provider of 360 Training, an OSHA-Accepted Provider, offering training and certification courses for NFPA 70E-Standard, and Used across walkways. 1.Is faulty 3.Needs to be reset Electrocution. The victim provided a path to ground and was electrocuted. -Falls. The NEC C. Suggestions d.A power tool, A GFCI is designed to: Electrical - Overview | Occupational Safety and Health Administration B. outdoors. D. Communicate the hazard to the crew and subs, use signs and bar E. Both C and D Q22. OSHA 30 - Quiz 3 - Electrocution Hazards Flashcards | Quizlet 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. 3.Loss of eyesight 0000017163 00000 n The source of the shocks -- the saw -- was not replaced. 0000004444 00000 n Introduction To Osha Quiz Answers1) Which of the following activities 0000005042 00000 n Explain the process that prevents the poles from steadily cooling off and the tropics from heating up over time. SCENARIO: You encounter a co-worker on a residential remodeling job. Explosion. View Answer Answer: 600v 4 . which of the following are electrical hazards osha quizlet OSHA 10 - Exit Routes, Emergency Action Plans, The Analysis and Design of Linear Circuits, Albert J. Rosa, Gregory J. Toussaint, Roland E. Thomas. lb MKS qnde>9!.,T2 :hw5 #OaPxkx=y7]J-yv*'H$jmVCq$ sx:R2$9SY+D!!LJ:n+.\#Hu~2VI O? Should he use an extension cord to power it? <> Using modified cords or tools, e.g., removing ground prongs, face plates, insulation, etc. 0000005734 00000 n The contact lasts for 5 seconds before someone is able to shut off the power. <>/ExtGState<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> You should? 4.Circuit breakers, When inspecting power tools, look for: Cardiac arrest or death - A result of electrical shock. <>/ExtGState<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 792 612] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> A) Identify; Castigate; C) Evaluate; D) Modify; 3. 0000007694 00000 n Provide a safe path to earth ground for electricity. 0000002386 00000 n Question 3: A/an ____________ is a unit of measurement for electrical resistance. NFPA 70E defines those special circumstances and sets rigid electrical safety limits on voltage exposures, work zone boundary requirements and necessary personal protective equipment (PPE). Use only equipment that is approved to meet OSHA standards. Is not painted over b.Match the thickness of the extension cord to the thickness of the nail gun's power cord. d. heart attacks. =EAn`u!d, |\~Y>ZF( dnLN\2vP6 >sSjgh2:Lmqx#a[G2{h$zW]_:@Lvr)2T:R-/ `&~O4j)>1P*M 5>F:1B.g!AR Which of the following are caused by contact with electricity? Overview. Explain the purpose and use of the MyPlate symbol. OSHA: Electrical Hazards Flashcards | Quizlet 1.The humidity of the environment What is the minimum clearance distance you must maintain from the power lines? Using cords or tools with worn insulation or exposed wires. What was Latoya's first mistake? Stay at least 10 feet away from overhead power lines. Question 2: It's okay to use extension cords with worn insulation, as long as you are careful about it. The victim was totally deaf in one ear and suffered diminished hearing in the other. 0000420564 00000 n 2. PDF Working Safely with Electricity - Occupational Safety and Health Protection is lost because it will not trip when the system's load has been exceeded. c. Inductive objects She has an older drill with a steel housing and a 3-prong plug. 0000001861 00000 n 0000001896 00000 n Take any defective equipment out of service. Question 2: Which of the following are ways employers must protect their employees on the workplace? No Ground-Fault Circuit Interrupters (GFCIs): A journeyman HVAC worker was installing metal duct work using a double-insulated drill connected to a drop light cord. Select the correct answer and then click DONE. 2. Power was supplied through two extension cords from a nearby residence. BE SAFE! a.Ground Fault Circuit Insulator a.Electricity a.Yes, as it is a mobile engine testing station. 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. 0000001731 00000 n a. 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. a.Supply power for tools or equipment on a temporary or short-term basis. 2.Flooding OSHA 29 CFR 1910.147 . If a defective power tool gives you an electric shock, how might your muscles react? Fire Is not broken, Question Text: Electrical tools should be grounded with a(n)________. Select the correct answer and then click DONE. x_HSqnwmky54YLzeStJi# TZObFT*.#BQF/Q Quiz Question 4: Which is a preventive measure to prevent hazards while working with power lines? d.Constructive objects, Select all answers that apply to the following statement and then click DONE. Muscular contraction and nerve damage occur; death likely. %PDF-1.5 endobj A 56-year-old construction laborer was removing forms from a concrete wall poured several days earlier. PDF ODULE 1 INTRODUCTION TO E SAFETY - Occupational Safety and Health This caused him to fall from the ladder and land in a puddle of water, still holding the saw. %PDF-1.4 % a. b. Deductive objects As he is working on the wiring, he receives an electrical shock that knocks him backward and causes him to fall off the ladder. Test your knowledge with our electrical safety quiz below. 0000420277 00000 n 0000004273 00000 n 0000007464 00000 n Select the correct answer and then click DONE. What do tripped circuit breakers and blown fuses indicate? <> 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 3.Cramp 0000002479 00000 n 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. Gloves used for electrical work must be inspected and tested prior to use, and be certified every: A. 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 1) The _____ created the Occupational Safety and Health Administration (OSHA) to set and enforce protective workplace safety and health standards. Electrical current travels through insulated ________. 4. 2.Grease 0000414648 00000 n 1.Damaged cover or insulation 128 0 obj <> endobj xref 128 26 0000000016 00000 n a. Gaseous matter d.The body of the power tool. Check your employee's electrical safety knowledge through an electrical safety quiz. _5JKy. The insulation on the extension cord was cut through and exposed bare, energized conductors which made contact with the ladder. 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. One handle has a deadman's switch. What type of burns are the result of current flowing through and exiting the body? Electrical Safety Quiz-Test Your Electrical Safety Knowledge Equipment used in manner prescribed. 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. Electrical hazards expose workers to the following: Burns: Three types; electrical, arc flash, or thermal contact. Use only extension cords that are 3-wire type. Select the choices that accurately define the common electrical term. 2.Is working properly q>NmnLNmb$"Iyx1bD9.~Ll. [Flexible Cords and Power Tools]. Besides personal bodily injury, what other electrical hazards can be found in the workplace? 0000001495 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. <> An employee was texturing a wall using an air compressor. Electrocution was the second leading cause of worker deaths on construction sites in the United States in 2011. The power switch on the welder was already in the "on" position, and the female end of the extension cord, which was spring loaded, had apparently been dropped and broken. Using a dry wood ladder when the possibility exists for contact with electricity. 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. These short objective type questions with answers are very important for competitive exams as well as Board exams.
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