1.Is firmly connected d) All of the above. 2.Grounding c.Absorb any water around the area When inspecting extension cords, look for: Check your employee's electrical safety knowledge through an electrical safety quiz. |tYny@YE>LkNj4-czZf"Usw>j\sv3fn},>},KeA s 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. d. 20 feet. d.Metal, Over half of all deaths caused by electricity result from contact with ________. hb``b``=p0X8n0lY0L#rK[V26h* @0H!XDl+!&FfUfo`h6l eTool : Construction - Electrical Incidents | Occupational Safety and 0000056642 00000 n a.Standing in water Best practices with power lines include: 0000108653 00000 n Metal partitions, grill work, and similar metal enclosures around equipment of over 1kV between conductors. c) Establish and enact an assured equipment grounding conductor program (AEGCP) The ________ keeps the electricity on its intended path through the conductor. OSHA 30 - Quiz 3 - Electrocution Hazards Flashcards | Quizlet [, Do not modify cords or use them incorrectly. Ajay needs to use a dewatering pump to drain standing water on a construction site. 0000005050 00000 n The victim provided a path to ground and was electrocuted. 1. 2.Loose bolts 0000002195 00000 n Question 1: Which of these is a type of Ground Fault Circuit Adapter? c.Touching the motor b. 4.The amount of current, An electrical burn may affect: Which of these can be used as insulating live-line tools for electrical protection. Study with Quizlet and memorize flashcards containing terms like OSHA's electrical standards are based on: A. ANSI standards B. c. Extend the reach of the power tool. 0000007116 00000 n 0 The normal wear and tear on extension and flexible cords at your site can loosen or expose wires, creating hazardous conditions. *Effects are for voltages less than about 600 volts. 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+ d. heart attacks. Which group would be more accurate when used in an accelerating spaceship? A fault occurred, and with no grounding and no GFCI protection, the worker was electrocuted. 1.Using a fiberglass ladder when the possibility exists for contact with electricity. 0000008392 00000 n True. One hand drill was not grounded, and the other had no safety plate. 10,000 milliamps (10 amps) Cardiac arrest and severe burns occur. Explain the purpose and use of the MyPlate symbol. 0000420887 00000 n 3.Vapor c.Guaranteed Fault Circuit Interrupter 3. Electricity to the auger was supplied by a series of 50-foot extension cords running to an adjacent property. PDF Electrical Hazards - Occupational Safety and Health Administration The source of the shocks -- the saw -- was not replaced. %PDF-1.5 Electrical hazards like frayed cords, missing ground pins, improper wiring or the harm that these hazards pose. Quiz Question 1: Which of the following is not a category of electrical burns? Easy to identify H. 1452 0 obj <> endobj 3.When you are using portable power tools The auger has a one-quarter horsepower motor encased in a metal housing with two handles. _5JKy. 1.A source of electrical current to flow. 4.Cardiac arrest 0000110659 00000 n 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. Among all of the safety measures that can and should be used to prevent electrical shock, which one is the most essential? xb```VVF A10p,``Pp`hhdpn``r`L:[ I,aZ4Knj21 `ny; Ge7t@OrMx)"cx&e:[~J%aUJ\*t What type of burns are the result of current flowing through and exiting the body? OSHA 10 - Electrical Flashcards | Quizlet Apply a warning tag to any defective tool and do not use it until the problem has been corrected. 1.Fingernails A laborer carried a piece of wire reinforcement (10 feet long by 8 inches wide) along the top section of the scaffold and contacted the power line with it. View Answer Answer: 600v 4 . Quiz Question 2: Which is acceptable when using powdered tools? 1476 0 obj <>stream B. lex has set up a mobile engine testing station in the maintenance area. 1.Flammable liquids What was Latoya's first mistake? 0000010155 00000 n The factors that determine the severity of an electrical injury include: 1. 4.Dirt build-up, Use only approved and authorized power tools in areas where the following hazards may be present: 0000003413 00000 n The victim was part of a crew that was constructing a concrete wall. a. Gaseous matter 1452 25 Remove from service any equipment with frayed cords, missing ground prongs, cracked tool casings, etc. (B) Switch sticks. This is action is also known as creating or completing an electrical circuit. 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. 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. -Damage to internal organs. The workers administered CPR to the victim, but to no avail. d.The body of the power tool. 0000005716 00000 n -Current= the movement of electrical charge. Yes, because he will be using electricity near water. endobj Working with electricity can be dangerous. Question 3: A/an ____________ is a unit of measurement for electrical resistance. Follow manufacturers' recommended testing procedure to insure GFCI is working correctly. Use tools and equipment according to the instructions included in their listing, labeling or certification. electrical safety part 1 Flashcards | Quizlet Osha 10 test answers 2021 quizlet - Math Questions You need to evaluate the situation you are in and assess your . 2 0 obj When selecting the right extension cord, a good rule of thumb is to match the thickness of the extension cord to the thickness of: trailer Additional minimum clearance distance is required for power lines carrying over ________. 0000004965 00000 n 0000012360 00000 n -Grounding= a conductive connection to the earth which acts as a protective measure. Suppose a volcano threw so much ash into the air that it blocked much of the sunlight. Quiz Question 4: Which is a preventive measure to prevent hazards while working with power lines? Outlets 1.Cuts 1.Clench OSHA 29 CFR 1910.147 . 4.Combustible dust, Fundamentals of Engineering Economic Analysis, David Besanko, Mark Shanley, Scott Schaefer. Both could have prevented the accident from occuring. OSHA: How Electricity Works Flashcards | Quizlet Use only equipment that is approved to meet OSHA standards. lb MKS What is the most common, non-fatal, electrical shock-related injury? Which of the following are electrical hazards? - Brainly.com Electrical Hazards - SSOE Group 0000007694 00000 n 12 months C. 6 months D. Never Q23. 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. 3.Cramp 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. 0000002479 00000 n Electrical current travels through insulated ________. Improper Use of Extension and Flexible Cords. 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: <>/ExtGState<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> What is the minimum clearance distance you must maintain from the power lines? a.related to muscle damage. 0000421627 00000 n OSHA-10: Avoiding Electrocution Hazards Flashcards | Quizlet d.Adapter, What is a GFCI? Hazards are created when cords, cord connectors, receptacles, and cord- and plug connected equipment are improperly used and maintained. Which of the following are caused by contact with electricity? A 20-year-old bricklayer standing on the work platform in contact with the main scaffold was electrocuted. When the energized conductor made contact with the ladder, the path to ground included the worker's body, resulting in death. If the insulation on the tool's power cord is damaged and you touch this area while grounded, the electricity will ________. % 0000007741 00000 n Extension cords may become a trip hazard when: a.20,000 volts b.Electrical tools 0000005632 00000 n NFPA 70E: Standard for Electrical Safety in the Workplace (See NFPA 70E-2021 Article 130 and OSHA subpart S part 1910.333 (a) (1)- (2) and (c) for complete details.) He may have dropped the extension cord at the site and not heard the connector break. Carly needs to use an extension cord with her corded nail gun. 0000003771 00000 n A measure of the energy of motion of the particles in a substance is its _____. a) Ensure overhead power line safety -Severe skin burns. 0000014257 00000 n You discover the electrical cord on a drill has been damaged and some of the cord's insulation is missing. 3.Maintaining a safe distance of at least 10 feet from all overhead power lines. Both the operator and the victim failed to notice that the boom had contacted a 2,400-volt overhead power line. What three things must be present for a current to flow through a conductor. 0000009628 00000 n Gloves used for electrical work must be inspected and tested prior to use, and be certified every: A. stream d/E \VZvl$Y#nH,EIm /\"BQ>Rkl6xZWtAgfs b.811 2.Placed along a wall. 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.Loose nuts As he is working on the wiring, he receives an electrical shock that knocks him backward and causes him to fall off the ladder. 0000003254 00000 n Fatal electrocution is the main risk, but burns and falls from elevations are also hazards. 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. 0000000816 00000 n x_HSqnwmky54YLzeStJi# TZObFT*.#BQF/Q OSHA CONSTRUCTION FINAL EXAM Question and Answer Part 10. ly/homeo3b700 Which of the following is a resource within the. Noise, : ________ or heavy perspiration can cause electricity to take an unintended path. A Safety Electrical One Line Diagram should be used to _____ all sources of electrical energy. Provides information about the hazards that electrical workers may experience as a part of their jobs. If a defective power tool gives you an electric shock, how might your muscles react? 4.Broken. [Flexible Cords] Cords that are not 3-wire type, not designed for hard-usage, or that have been modified, increase your risk of contacting electrical current. It is important to note that NFPA 70E is a . 0000055319 00000 n These short objective type questions with answers are very important for competitive exams as well as Board exams. 0000420277 00000 n s\A0W+ Best Practices with Power Lines Quiz OSHA 30 - Best Ground all exposed metal parts of equipment. He yelled for his co-workers to disconnect the power, which they did. gYpV:+ <<7628BB2D46738F42B2FC6393656F4718>]>> % When current travels through your body - Definition of electric shock. OSHA Safety and Health Topics Page. 1 0 obj Using multi-receptacle boxes designed to be. c. Inductive objects Electrical Safety Multiple Choice Questions(MCQs) & Answers - gkseries OSHA: Air Monitoring & Medical Surveillance, WebQuest: Biomes, Ecosystems and Habitats. Frequently inspect electrical systems to insure that the path to ground is continuous. PDF Name: Date: Test Electrical Safety Quiz SELECT THE BEST ANSWER. The following references aid in recognizing hazards associated with electrical work. 0000005734 00000 n 4.Flex 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. Electrical Safety Quiz-Test Your Electrical Safety Knowledge True. 4.Must be replaced, Always use a GFCI: Question 2: It's okay to use extension cords with worn insulation, as long as you are careful about it. b.Match the thickness of the extension cord to the thickness of the nail gun's power cord. 4.Running through doorways. 0000007427 00000 n 2. One handle has a deadman's switch. 4.Circuit breakers, When inspecting power tools, look for: (See NFPA 70E-2021 Article 130 and OSHA subpart S part . If electrical equipment is used in ways for which it is not designed, you can no longer depend on safety features built in by the manufacturer. c.Power lines a) Door or window edges The small electrical current enters his body through his left leg. B 208v. trailer <]/Prev 500768/XRefStm 1495>> startxref 0 %%EOF 222 0 obj <>stream (D) None of the above. Frames of non-electrically driven elevator cars to which electric conductors are attached. Quiz Question 7: Which is not an insulator? vpfuI)],s If a worker has been retaliated against for using their rights, they Select the correct answer and then click DONE. CCOHS: Electrical Safety - Basic Information b.Metal b+t6W' te+.W_{8u7Dt@1c. 2.Something to transport the electrical current -- A conductor. 0000004686 00000 n When does electricity become hazardous to humans? 0000108920 00000 n What are the 4 main type of hazards? [Ultimate Guide!] If you are touching any grounded material while using a power tool 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. d. 411, You are working with a 10-foot section of a conductive pipe near power lines. Electrical Safety Quiz - OSHA.net d) All of the above. 2.Complete 2.Yes, because he is using a portable power tool. d.50,000 volts. Use non-conductive wood or fiberglass ladders when working near power lines. C 277v. Find the volume of the parallelepiped determined by the vertices (1,1,1),(4,7,2) . 0000004274 00000 n _.9u'2G_0 Ue]e"x5|Y a.Ground Fault Circuit Insulator In which of the following workplace situations are you at risk for coming into contact with live electrical . Supply power for tools or equipment on a long-term basis. 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. b) Staples Isolating, Power lines may be located underground. q>NmnLNmb$"Iyx1bD9.~Ll. Before work began, the company safety director made sure that insulated line hoses were placed over sections of the the power line near the jobsite and that a safety clearance zone was marked off for arriving cement trucks. Potential hazards of electricity are preventable if you: Electricity must always travel in a(n) ________, ________ circuit. Select the correct answer and then click on DONE. xref 0000017163 00000 n Equipment used in manner prescribed. The presence of ______ can turn you, your equipment, or insulators like wood, into conductors. 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. 4.Good condition of moveable parts, Items that could encourage overheating and cause tools to malfunction or start a fire include: D. Have an ANSI sticker and an expiration date. a.Shut off power within a fraction of a second 0000003603 00000 n Overhead and buried power lines at your site are especially hazardous because they carry extremely high voltage. Underground electrical hazards are: A. 0000000816 00000 n 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. Draw a line from the item on the left that corresponds to the match on the right. As he removed the forms, he wrapped them with a length of cable called a choker, which was to be attached to a crane. The router's 3-wire power cord was spliced to a 2-wire cord and plug set which was not rated for hard service. 0000005042 00000 n 1.The humidity of the environment Be sure equipment that has been shop fabricated or altered is in compliance. 0000001731 00000 n 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. Question 2: Which of the following are ways . and more. d.Alert workers of any water in the area, GFCI is an acronym for: 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). [Power Tools]. 0000006152 00000 n Electricity must follow an uninterrupted loop from the power source to the equipment and back to the power source or ________.
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