which of the following are electrical hazards osha quizletwhich of the following are electrical hazards osha quizlet

a.Supply power for tools or equipment on a temporary or short-term basis. 2 0 obj Quiz Question 6: Which of these is not a type of Ground Fault Circuit Adapter? Attaching ungrounded, two-prong adapter plugs to three-prong cords and tools. Electricity to the auger was supplied by a series of 50-foot extension cords running to an adjacent property. (b) The same reaction can also be classified as a redox reaction. 0000015549 00000 n 2.Loss of muscle control The insulation on the extension cord was cut through and exposed bare, energized conductors which made contact with the ladder. [, Use all equipment according to the manufacturer's instructions. 0000002150 00000 n 0000009628 00000 n trailer <<11AC4BACEBCA4B32A885F1120BD3A307>]>> startxref 0 %%EOF 153 0 obj <>stream Visually inspect all electrical equipment before use. 4. How might this event affect the ability of animals to obtain energy to live? He yelled for his co-workers to disconnect the power, which they did. This is action is also known as creating or completing an electrical circuit. Select the correct answer and then click DONE. b.Yes, as it would be too expensive to install more permanent wiring and receptacles. How fast would the ball be moving at the moment of release? 1) The _____ created the Occupational Safety and Health Administration (OSHA) to set and enforce protective workplace safety and health standards. 12 months C. 6 months D. Never Q23. Lx*jWP# /c2)|]NXqAx>=~'[ a.Yes, as it is a mobile engine testing station. 0000004965 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. Best Practices with Power Lines 1. c.A measurement of electricity d.Adapter, What is a GFCI? 0000017336 00000 n The factors that determine the severity of an electrical injury include: using a 30-amp breaker in a system with 15- or 20-amp receptacles. It is important to note that NFPA 70E is a . Ground metal parts of the following non-electrical equipment, as specified by the OSHA standard [, Frames and tracks of electrically operated. Potential hazards of electricity are preventable if you: Electricity must always travel in a(n) ________, ________ circuit. 0000000016 00000 n 0000004793 00000 n 0000108920 00000 n Others, such as office workers and sales people, work with electricity indirectly and may also be exposed to electrical hazards. 2.Is working properly 1.Using a fiberglass ladder when the possibility exists for contact with electricity. a. 0000003603 00000 n Do not remove ground prongs from cord- and plug-connected equipment or extension cords. Frequently inspect electrical systems to insure that the path to ground is continuous. OSHA requires the testing of a volt meter after a voltage test on voltage above_____. The source of the shocks -- the saw -- was not replaced. 0000007427 00000 n 0000055319 00000 n B. 2.The person's physical condition [Flexible Cords and Power Tools]. !DP#vr-\DM<6V-2'I5l6)Z@^m=}c3-aUOo6rr V-Y3d6HABmjD $TQCvK*eg&|Y596#H\ One hand drill was not grounded, and the other had no safety plate. Reportedly, he was shocked throughout the morning, and he had replaced one of the extension cords in an effort to eliminate the shocks. Which of the following can be the result of electric shock? A measure of the energy of motion of the particles in a substance is its _____. Overhead and buried power lines at your site are especially hazardous because they carry extremely high voltage. The victim was part of a crew that was constructing a concrete wall. Test your knowledge with our electrical safety quiz below. To avoid injury or death, you must understand and recognize hazards. -Grounding= a conductive connection to the earth which acts as a protective measure. The contact lasts for 5 seconds before someone is able to shut off the power. Contact utilities for buried power line locations. Select the choices that accurately define the common electrical term. Some of the causes of these are live wire s that may be lying around, overloaded circuits, explosions that are caused by flammable objects, etc. c.Absorb any water around the area b.Shut off power within five minutes of the imbalance Lockout/tagout procedures. She has an older drill with a steel housing and a 3-prong plug. Select the correct answer and then click DONE. What was Latoya's first mistake? When current travels through your body - Definition of electric shock. Using a dry wood ladder when the possibility exists for contact with electricity. The auger has a one-quarter horsepower motor encased in a metal housing with two handles. 0000018681 00000 n q>NmnLNmb$"Iyx1bD9.~Ll. Select the correct answer and then click DONE. 1452 0 obj <> endobj 0000001646 00000 n 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. D. Communicate the hazard to the crew and subs, use signs and bar E. Both C and D Q22. specifically addresses electrical protective devices. b.A fast-acting switch monitoring current flow 0000013716 00000 n Using equipment outdoors that is labeled for use only in dry, indoor locations. 0000005632 00000 n and more. (E) a, b, and c. 2. (A) Shotgun sticks. 1476 0 obj <>stream (C) Hot sticks. Explosion. Question 1: Which of these is a type of Ground Fault Circuit Adapter? Quiz Question 4: Which is a preventive measure to prevent hazards while working with power lines? A fault occurred, and with no grounding and no GFCI protection, the worker was electrocuted. 1,[-c|"&u[Fu>wjte8j:xRk )"m_!6awT J,byp?fRBf?p|b3/Um\7"|+@5vvWAa5J^y*q,l b)Ftt4 :4,-J`! ( Explosion |tYny@YE>LkNj4-czZf"Usw>j\sv3fn},>},KeA s OSHA will keep all identities confidential. b.811 Question 1: Which of the following is a danger of electricity? ZR)!=w|; @uT C0? % 0000003771 00000 n 1.Missing or broken path to ground. <>>> 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 a. Gaseous matter 3. 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 . 4. 3. 4.Organs, The presence of ________ can turn you, your equipment, or insulators like wood into conductors. As he is working on the wiring, he receives an electrical shock that knocks him backward and causes him to fall off the ladder. . Effective means of controlling power line hazards include: Burns. Electrocution. 5.Twitch, Electrical shock may result in: 0000011060 00000 n If the electrical conductors become exposed, there is a danger of shocks, burns, or fire. -Severe skin burns. 3.Something that causes current to flow through the . 0000414648 00000 n When inspecting extension cords, look for: d.Ground Fault Circuit Interrupter, : Another electrical hazard that can cause injury or death in the workplace is a ________ path to ground. 0000001896 00000 n The accident site was wet; also, humidity was high and the victim was sweating. Isolating, Power lines may be located underground. 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: De-energizing 0000000816 00000 n d. heart attacks. The victim signaled the operator of the crane to extend the boom and lower the hoist cable. Electrical hazards like frayed cords, missing ground pins, improper wiring or the harm that these hazards pose. What is the primary purpose of properly grounding equipment? h|UnH}+i-. Looking for NFPA 70E Certification? Switch Dust The presence of ______ can turn you, your equipment, or insulators like wood, into conductors. <>/ExtGState<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 792 612] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> stream 1. 2. 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. The most dangerous place to use electrical equipment is? <> If a defective power tool gives you an electric shock, how might your muscles react? Other protective measures include guarding or insulating the lines. c. Match the color of the tool to the color of the extension cord. d.Add more outlets. . b.Not wearing insulating shoes or boots when she was handling electrical equipment Then answer the questions below. Short Confined spaces Machinery-related hazards (lockout/tagout, boiler safety, forklifts, etc.) 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. Question 3: If following lock out/tag out procedures, what step should be taken BEFORE you shut down the equipment? Noise, : ________ or heavy perspiration can cause electricity to take an unintended path. Latoya is using a mixing motor to mix pool chemicals in a plastic drum. The workers had removed their shirts and were sweating. 3 OSHA requires the testing of a volt meter after a voltage test on voltage above_____. Stay at least 10 feet away from overhead power lines. Examples of Equipment That Can Contact Power Lines. Bob is asked to repair some overhead wiring, requiring the use a ladder. Electrical Contractors Industry. Ground all power supply systems, electrical circuits, and electrical equipment. 3. s\A0W+ 3.Clear Electrical safety requirements necessary for the practical safeguarding of employees in the workplace. a.Extension cords a) Ensure overhead power line safety View Best Practices with Power Lines Quiz OSHA 30.docx from OSHA 30 at Columbia Southern University. 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. 0000012360 00000 n D. Have an ANSI sticker and an expiration date. c.15 feet d.Alert workers of any water in the area, GFCI is an acronym for: -Rubber. 2.Skin Ground all exposed metal parts of equipment. (a) Describe the reaction between the hydride ion and water in terms of a Bronsted acid-base reaction. As the victim climbed down a makeshift ladder, he shifted the saw from his right hand to his left, and was shocked. Study with Quizlet and memorize flashcards containing terms like OSHA's electrical standards are based on: A. ANSI standards B. Explain the purpose and use of the MyPlate symbol. Before using the equipment, be sure that the ground wire: Select the correct answer and then click DONE. Match the length from job to outlet. A. wrap tape around the damaged spot to prevent electrical shocks. Seven employees of a masonry company were erecting a brick wall from a tubular, welded-frame scaffold approximately 24 feet high. 0000021516 00000 n Is not painted over 0000001604 00000 n Call ________ prior to digging to be connected with your local One Call Center to have all underground lines located by the utility company. [. The victim collapsed into the lake and sank 4-1/2 feet to the bottom. a.Your thumb. b.10 feet Question 2: Which of the following are ways . On the day of the incident, the victim plugged in a damaged extension cord and laid it out towards the bulkhead. Select the correct answer and then click DONE. 0000001495 00000 n d. 411, You are working with a 10-foot section of a conductive pipe near power lines. An 18-year-old worker at a construction site was electrocuted when he touched a light fixture while descending from a scaffold for his afternoon break. Follow manufacturers' recommended testing procedure to insure GFCI is working correctly. 0000014257 00000 n 0000421627 00000 n Question 3: Employers are not required to enforce lock out/tag out practices in the workplaces. OSHA Pros, LLC is an authorized provider of 360 Training, an OSHA-Accepted Provider, offering training and certification courses for NFPA 70E-Standard, and The NEC C. Suggestions A worker was removing a metal antenna when it made electrical contact with a 7200-volt power transmission line. 4.Combustible dust, Fundamentals of Engineering Economic Analysis, David Besanko, Mark Shanley, Scott Schaefer. 2.Loose bolts Potential hazards of electricity are preventable if you do which of the following listed below? c.Power lines Extension cords are used to: Explain the process that prevents the poles from steadily cooling off and the tropics from heating up over time.

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