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What is the most common, non-fatal, electrical shock-related injury? A) Identify; Castigate; C) Evaluate; D) Modify; 3. D 600v. b.Match the thickness of the extension cord to the thickness of the nail gun's power cord. Besides personal bodily injury, what other electrical hazards can be found in the workplace? She has an older drill with a steel housing and a 3-prong plug. BIOLOGICAL HAZARDS: term effects) and strain (longAssociated with working with animals, people, or infectious plant materials. 3 0 obj Select the correct answer and then click DONE. Best practices with power lines include: 0000001604 00000 n How fast would the ball be moving at the moment of release? 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. a. d. 20 feet. The victim was totally deaf in one ear and suffered diminished hearing in the other. 1. 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 Most of the hydrides of Group 1A and Group 2A metals are ionic. A worker was removing a metal antenna when it made electrical contact with a 7200-volt power transmission line. c. No, because the electricity is needed on a long-term basis. ZR)!=w|; @uT C0? Attaching ungrounded, two-prong adapter plugs to three-prong cords and tools. [, Use all equipment according to the manufacturer's instructions. It's okay to use extension cords with worn insulation, as . All of the following are essential considerations for the safe use of cords and wiring EXCEPT: Which one of these methods is not acceptable for putting out an electrical fire? Use only extension cords that are 3-wire type. <> 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 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. 2.Grease -If current passes through the body near the heart or brain. Explosion. 1. 0000002403 00000 n Select the correct answer and then click DONE. Noise, : ________ or heavy perspiration can cause electricity to take an unintended path. Electrical Safety Quiz Electrical safety is an important topic that you and your workers need to know about. %PDF-1.4 % The length of time the body is in the circuit, in contact with electricity - Factor determining the severity of an electrical . and more. RZyd D. Have an ANSI sticker and an expiration date. startxref A 29-year-old worker was electrocuted when he pushed a crane cable into a 7,200-volt power line. 4.Circuit breakers, When inspecting power tools, look for: A 20-year-old bricklayer standing on the work platform in contact with the main scaffold was electrocuted. Quiz Question 3: Power cords can be damaged by which of the following? a.A small current 1452 0 obj <> endobj 4.Cardiac arrest 2.Yes, because he is using a portable 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. 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. . Electrical Safety Standards in the Workplace - NFPA 70E - Grainger KnowHow 0000068035 00000 n 0000010155 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. 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. -Wood. Frequently inspect electrical systems to insure that the path to ground is continuous. The presence of ______ can turn you, your equipment, or insulators like wood, into conductors. a.Extension cords 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. 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. [. Co-workers provided CPR, but were unable to revive the victim. 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? -Damage to internal organs. 0000420277 00000 n 0000018681 00000 n Visually inspect all electrical equipment before use. Regarding hand protection employers should: A. A 56-year-old construction laborer was removing forms from a concrete wall poured several days earlier. 3.Something that causes current to flow through the . Using circuit breakers or fuses with the wrong rating for over-current protection, e.g. 0000004686 00000 n OSHA: Electrical Hazards Flashcards | Quizlet Best Practices with Power Lines Quiz OSHA 30 - Best d. 411, You are working with a 10-foot section of a conductive pipe near power lines. Course 812 Module 7 OSHA Focus Four Hazards: Electrocution - OSHAcademy B. OSHA 29 CFR 1910, Subpart P . c.911 OSHA-10: Avoiding Electrocution Hazards Flashcards | Quizlet Provide a safe path to earth ground for electricity. Gloves used for electrical work must be inspected and tested prior to use, and be certified every: A. 0000108653 00000 n 0000010603 00000 n Exercise their rights under the law without retaliation, including reporting an injury or raising health and safety concerns with their employer or OSHA. 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: This caused him to fall from the ladder and land in a puddle of water, still holding the saw. a.Supply power for tools or equipment on a temporary or short-term basis. a.Ground Fault Circuit Insulator 1.Damaged cover or insulation Both the operator and the victim failed to notice that the boom had contacted a 2,400-volt overhead power line. Additionally, the ground prongs were missing from the two cords. 0000022637 00000 n c.A measurement of electricity 10,000 milliamps (10 amps) Cardiac arrest and severe burns occur. Lockout/tagout procedures. OSHA 30 - Module 12: Electrical Safety Flashcards | Quizlet 0000002733 00000 n Question 4: Which of the following is a type of burn caused by electrical hazards? 0000005716 00000 n Use only cords, connection devices, and fittings that are equipped with strain relief. Many workers are unaware of the potential electrical hazards present in their work environment, which makes them more vulnerable to the danger of electrocution. 2.Loss of muscle control a. % b. Deductive objects Equipment used in manner prescribed. You need to evaluate the situation you are in and assess your . endobj Electrical Safety Quiz - OSHA.net PDF Electrical Safety - Occupational Safety and Health Administration Is not painted over 4,600. 0000005632 00000 n 3. Electricity must follow an uninterrupted loop from the power source to the equipment and back to the power source or ________. OSHA will keep all identities confidential. Electricity for power tools was supplied from an exterior 120-volt, grounded AC receptacle located at the back of the residence. b.Metal Of the following choices, which are frequent electrical hazards 2.Using extension cords or electrical tools properly. Using cords or tools with worn insulation or exposed wires. Explain the purpose and use of the MyPlate symbol. Stay at least 10 feet away from overhead power lines. OSHA Safety and Health Topics Page. The insulation on the extension cord was cut through and exposed bare, energized conductors which made contact with the ladder. 0000420887 00000 n c.Gasoline You discover the electrical cord on a drill has been damaged and some of the cord's insulation is missing. a.311 _.9u'2G_0 Ue]e"x5|Y Electricity becomes hazardous when it takes an unintended path to complete the ________. Which of the following are conductor of electricity? 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. 0000003413 00000 n What type of burns are the result of current flowing through and exiting the body? Explosion -Conductor= permits the free flow of electricity. vpfuI)],s PDF Name: Date: Test Electrical Safety Quiz SELECT THE BEST ANSWER. 4 0 obj Call ________ prior to digging to be connected with your local One Call Center to have all underground lines located by the utility company. Ground all power supply systems, electrical circuits, and electrical equipment. To avoid injury or death, you must understand and recognize hazards. Does the fall qualify as an electrical accident? b) By supplying GFCIs, or ground-fault circuit interrupters 2.The person's physical condition If you are touching any grounded material while using a power tool The NEC C. Suggestions . Study with Quizlet and memorize flashcards containing terms like Bob is asked to repair some overhead wiring, requiring the use a ladder. [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. If the insulation on the tool's power cord is damaged and you touch this area while grounded, the electricity will ________. Select the correct answer and then click DONE. Electrical Contractors Industry. 0000002195 00000 n 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. 1452 25 (A) Shotgun sticks. If a defective power tool gives you an electric shock, how might your muscles react? 0000007464 00000 n The individual's perspiration-soaked clothing/body contacted bare exposed conductors on one of the cords, causing an electrocution.
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