which of the following are electrical hazards osha quizlet

Provide a safe path to earth ground for electricity. Is the west coast of Africa a plate boundary? 1.Is faulty 0000001672 00000 n OSHA 29 CFR 1910, Subpart P . De-energizing 1.A source of electrical current to flow. A) 120v . Short Confined spaces Machinery-related hazards (lockout/tagout, boiler safety, forklifts, etc.) 0000000816 00000 n [29 CFR 1926.416(a)(1)]. 0000002876 00000 n An employee was texturing a wall using an air compressor. OSHA 30 - Quiz 3 - Electrocution Hazards Flashcards | Quizlet Suppose you could convert the 525525525 Calories in the cheeseburger you ate for lunch into mechanical energy with 100%100 \%100% efficiency and you throw a 0.145kg0.145~\mathrm{kg}0.145kg baseball with the energy contained in the cheeseburger. a.Two-prong plug 0000004208 00000 n 0000004274 00000 n [, Do not modify cords or use them incorrectly. d. Match the outlet prongs to the extension cord. b.Yes, because Bob was on . 1.Missing or broken path to ground. 3.The length of time the body is in contact with electricity gYpV:+ 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. Select the correct answer and then click DONE. gYpV:+ Select the correct answer and then click DONE. 0000001116 00000 n Question 1: Which of the following is a danger of electricity? a.related to muscle damage. 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 Which of the following are electrical hazards? - Brainly.com c. Match the color of the tool to the color of the extension cord. 0000001604 00000 n d. Power outlets, ________ are anything that can transmit electrical current. Explosion 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+ If you are touching any grounded material while using a power tool 4. 4.Flex d.The body of the power tool. _.9u'2G_0 Ue]e"x5|Y 0000002195 00000 n a.Shut off power within a fraction of a second c.15 feet 0000089142 00000 n c. Extend the reach of the power tool. Flexible Cord Not 3-Wire, Hard Service Variety: A worker received a fatal shock when he was cutting drywall with a metal casing router. As he began to pull away, the crew supervisor yelled to him, asking if the crew could use his water hose to wash out their cement bucket suspended from the crane. This caused him to fall from the ladder and land in a puddle of water, still holding the saw. Using a dry wood ladder when the possibility exists for contact with electricity. Electrocution. eTool : Construction - Electrical Incidents | Occupational Safety and OSHA-10: Avoiding Electrocution Hazards Flashcards | Quizlet The normal wear and tear on extension and flexible cords at your site can loosen or expose wires, creating hazardous conditions. 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. 2.Is working properly Besides personal bodily injury, what other electrical hazards can be found in the workplace? 0000002479 00000 n a. Is not painted over What are the 4 main type of hazards? [Ultimate Guide!] Best practices with power lines include: d.Water, Other electrical hazards in the workplace include: The presence of ______ can turn you, your equipment, or insulators like wood, into conductors. PDF Working Safely with Electricity - Occupational Safety and Health 2. Select the correct answer and then click DONE. Both the operator and the victim failed to notice that the boom had contacted a 2,400-volt overhead power line. 1. 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. %PDF-1.4 % Best Practices with Power Lines 1. c) Establish and enact an assured equipment grounding conductor program (AEGCP) Latoya is using a mixing motor to mix pool chemicals in a plastic drum. d.50,000 volts. You should? She finds several available in the shop. Determine duration, frequency, degree of exposure to hazards and physical stress. Looking for NFPA 70E Certification? c.Absorb any water around the area (See NFPA 70E-2021 Article 130 and OSHA subpart S part 1910.333 (a) (1)- (2) and (c) for complete details.) Ground all exposed metal parts of equipment. c.40,000 volts PDF Name: Date: Test Electrical Safety Quiz SELECT THE BEST ANSWER. 3.Needs to be reset 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. 0000013999 00000 n Electricity to the auger was supplied by a series of 50-foot extension cords running to an adjacent property. What is the primary purpose of properly grounding equipment? h|UnH}+i-. b.Electrical tools C 277v. I;C`_;LV'd,|#H--e`( ')'RpAgA7O`?%68SB Best Practices with Power Lines Quiz OSHA 30 - Best Arc Flash. a.A small current |tYny@YE>LkNj4-czZf"Usw>j\sv3fn},>},KeA s Select the correct answer and then click DONE. 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. Apply a warning tag to any defective tool and do not use it until the problem has been corrected. 3.Body tissue Is split The floor is covered in water and she is barefoot. 0000003603 00000 n 4. 21 Examples Of Electrical Hazards - HSEWatch OSHA Safety and Health Topics Page. Quiz Question 5: A/an ___________ is a unit of measurement for electrical resistance. Which of the following injuries can occur when muscles flex or twitch from an electrical shock? c) Age The NEC C. Suggestions trailer <<11AC4BACEBCA4B32A885F1120BD3A307>]>> startxref 0 %%EOF 153 0 obj <>stream 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. B 208v. Explain the purpose and use of the MyPlate symbol. Which of the following are insulators of electricity? OSHA: Common Electrical Hazards Flashcards | Quizlet 3 0 obj Switch Which of these can be used as insulating live-line tools for electrical protection. OSHA 10 - Exit Routes, Emergency Action Plans, The Analysis and Design of Linear Circuits, Albert J. Rosa, Gregory J. Toussaint, Roland E. Thomas. Select the correct answer and then click DONE. b.Metal b. Before using the equipment, be sure that the ground wire: and more. specifically addresses electrical protective devices. The pole had not been inspected by the city and was not in compliance with code requirements (it was not grounded). b.Rod Overview. 0000001731 00000 n Improper Use of Extension and Flexible Cords. 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. Stay at least 10 feet away from overhead power lines. Be sure equipment that has been shop fabricated or altered is in compliance. 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. Visually inspect all electrical equipment before use. Explosion. These short objective type questions with answers are very important for competitive exams as well as Board exams. d.Ground Fault Circuit Interrupter, : Another electrical hazard that can cause injury or death in the workplace is a ________ path to ground. OSHA: Air Monitoring & Medical Surveillance, WebQuest: Biomes, Ecosystems and Habitats. As he removed the forms, he wrapped them with a length of cable called a choker, which was to be attached to a crane. 0000005520 00000 n stream Call ________ prior to digging to be connected with your local One Call Center to have all underground lines located by the utility company. b.10 feet a.Conductive objects When the victim reached down to connect the choker to the hoist cable, he suddenly collapsed. endobj 0000420887 00000 n The scaffold had been constructed only 21 horizontal inches across from a 7,620-volt power line. PDF Electrical Hazards - Occupational Safety and Health Administration 0000002386 00000 n 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. While attempting to unplug the compressor from the extension cord, the employee was fatally shocked. -Severe skin burns. Burns. How will she choose the correct cord? hazard or that their employer is not following OSHA's rules. Question 2: Which of the following are ways employers must protect their employees on the workplace? The victim signaled the operator of the crane to extend the boom and lower the hoist cable. 1 0 obj Quiz Question 7: Which is not an insulator? Seven employees of a masonry company were erecting a brick wall from a tubular, welded-frame scaffold approximately 24 feet high. HWMo#7v#h>6,Z4- 0000012360 00000 n 0000017336 00000 n Select the correct answer and then click on DONE. 4.The amount of current, An electrical burn may affect: Using modified cords or tools, e.g., removing ground prongs, face plates, insulation, etc. Continually audit cords on-site. 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. a.Your thumb. Fatal electrocution is the main risk, but burns and falls from elevations are also hazards. Question 3: If following lock out/tag out procedures, what step should be taken BEFORE you shut down the equipment? The length of time the body is in the circuit, in contact with electricity - Factor determining the severity of an electrical . 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.Guaranteed Fault Circuit Interrupter Electrical Contractors Industry. b.Match the thickness of the extension cord to the thickness of the nail gun's power cord. She has an older drill with a steel housing and a 3-prong plug. 1476 0 obj <>stream b+t6W' te+.W_{8u7Dt@1c. Electrical Safety Multiple Choice Questions and Answers for competitive exams. 0000108653 00000 n -Falls. x_HSqnwmky54YLzeStJi# TZObFT*.#BQF/Q As a result, the ground prong of the welder plug did not insert into the ground terminal of the cord, so that as soon as a connection was made, the outside metal case of the welder became energized, electrocuting the victim. A 20-year-old bricklayer standing on the work platform in contact with the main scaffold was electrocuted. Additionally, the ground prong was missing and there was no GFCI protection. It's okay to use extension cords with worn insulation, as . c.falls. An OSHA inspection revealed that the tool's original power cord had been replaced with a flat cord, which was not designated for hard service, and that strain relief was not provided at the point where the cord entered the tool. 0000002122 00000 n The victim was totally deaf in one ear and suffered diminished hearing in the other. Potential hazards of electricity are preventable if you do which of the following listed below? d. heart attacks. [. -If current passes through the body near the heart or brain. Is not broken, Question Text: Electrical tools should be grounded with a(n)________. -Current= the movement of electrical charge.