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Examples of Equipment That Can Contact Power Lines. b.Electrical tools 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). 0 Do not remove ground prongs from cord- and plug-connected equipment or extension cords. Which group would be more accurate when used in an accelerating spaceship? D. Communicate the hazard to the crew and subs, use signs and bar E. Both C and D Q22. You can classify scales for weighing objects as those that use springs and those that use standard masses to balance unknown masses. 0000006152 00000 n Two of the extension cords had no ground prongs, and some of them were repaired with electrical tape. Question 3: If following lock out/tag out procedures, what step should be taken BEFORE you shut down the equipment? 1. OSHA: Electrical Hazards Flashcards | Quizlet 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 b.Ground Fault Critical Interrupter 0000002195 00000 n This caused him to fall from the ladder and land in a puddle of water, still holding the saw. gYpV:+ Electrical hazards like frayed cords, missing ground pins, improper wiring or the harm that these hazards pose. The modification of the plug was not an intended use or prescribed by the manufacturer. Overhead and buried power lines at your site are especially hazardous because they carry extremely high voltage. Flexible Cord Not 3-Wire, Hard Service Variety: A worker received a fatal shock when he was cutting drywall with a metal casing router. A. wrap tape around the damaged spot to prevent electrical shocks. How fast would the ball be moving at the moment of release? 3. Electrocution. 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: Electrical safety quiz answers are given below. 1.Missing 4.Combustible dust, Fundamentals of Engineering Economic Analysis, David Besanko, Mark Shanley, Scott Schaefer. electrical safety part 1 Flashcards | Quizlet Extension cords had poor splices, no grounds, and reversed polarity. 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. OSHA: Air Monitoring & Medical Surveillance, WebQuest: Biomes, Ecosystems and Habitats. Electrical current travels through insulated ________. Isolating, Power lines may be located underground. Select the correct answer and then click DONE. endobj )KL3C?e%Y92$,]^)kmR/!8\ JF N'bT\U1+tc+&:'ZuGi!UeUrE [?CrU.&|#@Ed,=2UF]r/n/{v-;v>%/~;[*AxBU,-#!uyFGR,Wv[ cOzObnZfI4ob:pf "~ .iBE@mOs:Os5U9cnU` Vd"F'4Bm?>}hyRQyrX0U026h7#L'. Quiz Question 7: Which is not an insulator? stream Water 5.Twitch, Electrical shock may result in: OSHA 29 CFR 1910.147 . Use the terms (freezing, gas, liquid, physical changes, solubility, solution, temperature, volume) to complete the sentence. The accident site was wet; also, humidity was high and the victim was sweating. 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. Examples Of Electrical Hazards. OSHA: Air Monitoring & Medical Surveillance, 5 ANO - RETOMANDO ARTIGO, SUBSTANTIVO E ADJE. View Best Practices with Power Lines Quiz OSHA 30.docx from OSHA 30 at Columbia Southern University. OSHA will keep all identities confidential. PDF Name: Date: Test Electrical Safety Quiz SELECT THE BEST ANSWER. 4,600. Electrical Safety Standards in the Workplace - NFPA 70E - Grainger KnowHow Engineers, electricians, and other professionals work with electricity directly, including working on overhead lines, cable harnesses, and circuit assemblies. You discover the electrical cord on a drill has been damaged and some of the cord's insulation is missing. Is the west coast of Africa a plate boundary? Besides personal bodily injury, what other electrical hazards can be found in the workplace? 3.Vapor Hazards are created when cords, cord connectors, receptacles, and cord- and plug connected equipment are improperly used and maintained. Reportedly, he was shocked throughout the morning, and he had replaced one of the extension cords in an effort to eliminate the shocks. a.A small current 0000000016 00000 n 4.Cardiac arrest 1) The _____ created the Occupational Safety and Health Administration (OSHA) to set and enforce protective workplace safety and health standards. 2.Is working properly -Severe skin burns. 0000004274 00000 n 0000420277 00000 n s\A0W+ 2 0 obj The workers administered CPR to the victim, but to no avail. 0000006866 00000 n Which of these can be used as insulating live-line tools for electrical protection. Protection is lost because it will not trip when the system's load has been exceeded. Post warning signs. endobj (a) Describe the reaction between the hydride ion and water in terms of a Bronsted acid-base reaction. % 1.Is faulty This may damage your equipment and cause employee injuries. 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. a) Door or window edges A fault occurred, and with no grounding and no GFCI protection, the worker was electrocuted. Electrical Safety Assessment Quiz Answers | ISHN -Falls. What is the most common, non-fatal, electrical shock-related injury? 0000013999 00000 n 4.Must be replaced, Always use a GFCI: The auger has a one-quarter horsepower motor encased in a metal housing with two handles. c. Extend the reach of the power tool. 0000004793 00000 n Question 1: Employers must ensure that every electric utilization system and all utilization equipment installed, majorly modified, or replaced after March 15, 1972, complies with the standards for electricity set by the National Fire Protection Association, which have been adopted by OSHA. 0000005406 00000 n 0000006893 00000 n The auger then fell across the other worker, the 24-year-old victim. While attempting to unplug the compressor from the extension cord, the employee was fatally shocked. 4.Good condition of moveable parts, Items that could encourage overheating and cause tools to malfunction or start a fire include: H. An employee was texturing a wall using an air compressor. 3.Cramp Electrical Safety Multiple Choice Questions and Answers for competitive exams. 0000004444 00000 n 0000003413 00000 n Electrical Safety Quiz - OSHA.net What are the 4 main type of hazards? [Ultimate Guide!] What type of burns are the result of current flowing through and exiting the body? A co-worker disconnected the power cord to the saw, too late to save the victim. 0000414648 00000 n The small electrical current enters his body through his left leg. -Glass. a.Yes, as it is a mobile engine testing station. 3.Something that causes current to flow through the . An examination revealed that the spring, cover plate, and part of the melamine casing were missing from the face of the female connector (the spring and some melamine fragments were found at the accident site). b. Deductive objects xb```VVF A10p,``Pp`hhdpn``r`L:[ I,aZ4Knj21 `ny; Ge7t@OrMx)"cx&e:[~J%aUJ\*t Dirk, a 28-year-old mechanic, is performing maintenance on a piece of equipment when he is shocked. 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. 128 0 obj <> endobj xref 128 26 0000000016 00000 n View Answer Answer: 600v 4 . 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. Use only extension cords that are 3-wire type. He plans to use it over a period of at least six months. Electric current cannot exist without an unbroken path to and from the conductor. 0000010155 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. Exercise their rights under the law without retaliation, including reporting an injury or raising health and safety concerns with their employer or OSHA. Many workers are unaware of the potential electrical hazards present in their work environment, which makes them more vulnerable to the danger of electrocution. Study with Quizlet and memorize flashcards containing terms like Bob is asked to repair some overhead wiring, requiring the use a 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. Which of the following factors determine how severe an electrical injury might be? 1.Pain a.Electricity (E) a, b, and c. 2. 2.Grease 4. You need to evaluate the situation you are in and assess your . 4. 0000003254 00000 n 3. endobj 2.Using extension cords or electrical tools properly. b) Staples d) All of the above. Frequently inspect electrical systems to insure that the path to ground is continuous. ( Muscular contraction and nerve damage occur; death likely. 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. The router's 3-wire power cord was spliced to a 2-wire cord and plug set which was not rated for hard service. 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. 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. The ________ keeps the electricity on its intended path through the conductor. 2.Complete Question 1: Employers must ensure that every electric utilization system and all utilization equipment installed, majorly modified, or replaced after March 15, 1972, complies with the standards for electricity set by the National Fire Protection Association, which have been adopted by OSHA. Select the correct answer and then click DONE. [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. Electricity must follow an uninterrupted loop from the power source to the equipment and back to the power source or ________. Draw a line from the item on the left that corresponds to the match on the right. 0000002385 00000 n Use only extension cords that are marked with a designation code for hard or extra-hard usage. 2.Loss of muscle control |tYny@YE>LkNj4-czZf"Usw>j\sv3fn},>},KeA s Using modified cords or tools, e.g., removing ground prongs, face plates, insulation, etc. 1.Using a fiberglass ladder when the possibility exists for contact with electricity. -Damage to internal organs. Regarding hand protection employers should: A. 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. 0000110659 00000 n 182 0 obj <> endobj xref 182 41 0000000016 00000 n 0000004921 00000 n The victim was part of a crew that was constructing a concrete wall. 0000012944 00000 n Course 812 Module 7 OSHA Focus Four Hazards: Electrocution - OSHAcademy 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 Identify the oxidizing and reducing agents. 1.Cuts 0000002479 00000 n (B) Switch sticks. It is important to note that NFPA 70E is a . Question 1: Which of the following is a danger of electricity? HWMo#7v#h>6,Z4- It's okay to use extension cords with worn insulation, as . Study with Quizlet and memorize flashcards containing terms like Among all of the safety measures that can and should be used to prevent electrical shock, which one is the most essential?, According to NFPA 70E, job briefings must be held for those employees that will be working on or near live parts operating at ______ or more., When does electricity become hazardous to humans? In 2017, there were over ______________ electrical related violations cited by OSHA in the workplace. 1. 1.Fingernails Additionally, the ground prong was missing and there was no GFCI protection. Does the fall qualify as an electrical accident? Electricity to the auger was supplied by a series of 50-foot extension cords running to an adjacent property. He yelled for his co-workers to disconnect the power, which they did. The scaffold had been constructed only 21 horizontal inches across from a 7,620-volt power line. Use only equipment that is approved to meet OSHA standards. 0000015549 00000 n Visually inspect all electrical equipment before use. 2. 1476 0 obj <>stream 3.When you are using portable power tools 3.Tears 0000108653 00000 n Stay at least 10 feet away from overhead power lines. 0000003603 00000 n 4 0 obj Death. 2. 2. A 56-year-old construction laborer was removing forms from a concrete wall poured several days earlier. Get All Answers to OSHA 30 Construction Final Exam. 1.Is firmly connected 0000007464 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. A worker was removing a metal antenna when it made electrical contact with a 7200-volt power transmission line. a) Ensure overhead power line safety One worker, holding the deadman's switch, received a shock from a ground fault in the auger and was knocked back from the machine. Quiz Question 2: Which is acceptable when using powdered tools? lex has set up a mobile engine testing station in the maintenance area. startxref Of the following choices, which are frequent electrical hazards Co-workers provided CPR, but were unable to revive the victim. [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. 3 0 obj c.A measurement of electricity When current travels through your body - Definition of electric shock. 0000001908 00000 n 3.Body tissue Osha 10 test answers 2021 quizlet - Math Questions b.Not wearing insulating shoes or boots when she was handling electrical equipment Select the choices that accurately define the common electrical term. Additionally, the ground prongs were missing from the two cords. Which of the following are insulators of electricity? 3. 0000007427 00000 n 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 endobj If you are touching any grounded material while using a power tool :$#k9BPnZ{Qqe/reKy,'ZlB# @*@;z}IAH@3MsgU1Dnf@agLahpCn@&b|-^;b0k*!3VYy,jy%( Z%|\Jg"dRp-Wbz3QJS%k9p_WtZ What is the output of the program in Exercise 17, if first = 26 and second = 8? The floor is covered in water and she is barefoot.