0000007464 00000 n a. Question 1: Which of these is a type of Ground Fault Circuit Adapter? 0000004686 00000 n a.Supply power for tools or equipment on a temporary or short-term basis. 0000001604 00000 n <>/ExtGState<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 792 612] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> Question 4: When a worker receives an electric shock, first aid must start within ___________ minutes. Supply power for tools or equipment on a long-term basis. Draw a line from the item on the left that corresponds to the match on the right. A 56-year-old construction laborer was removing forms from a concrete wall poured several days earlier. It is important to note that NFPA 70E is a . c) Establish and enact an assured equipment grounding conductor program (AEGCP) D. Have an ANSI sticker and an expiration date. Does the fall qualify as an electrical accident? De-energize and ground lines when working near them. Looking for NFPA 70E Certification? The following hazards are the most frequent causes of electrical injuries Contact with Power Lines, Lack of Ground-fault Protection, Path to Ground Missing or Discontinuous, Equipment Not Used in Manner Prescribed, and Improper Use of Extension and Flexible Cords. The factors that determine the severity of an electrical injury include: Quiz Question 3: Power cords can be damaged by which of the following? OSHA Pros, LLC is an authorized provider of 360 Training, an OSHA-Accepted Provider, offering training and certification courses for NFPA 70E-Standard, and b. Select the correct answer and then click DONE. 0000056642 00000 n Underground electrical hazards are: A. 2.Placed along a wall. c.falls. <> The auger then fell across the other worker, the 24-year-old victim. <> d) All of the above. 0000011060 00000 n -Current= the movement of electrical charge. 3.Clear . This is action is also known as creating or completing an electrical circuit. a.related to muscle damage. OSHA 29 CFR 1910, Subpart P . Which of these can be used as insulating live-line tools for electrical protection. What was Latoya's first mistake? Both the operator and the victim failed to notice that the boom had contacted a 2,400-volt overhead power line. On the day of the incident, the victim plugged in a damaged extension cord and laid it out towards the bulkhead. The small electrical current enters his body through his left leg. 2.Skin Select the correct answer and then click DONE. <<7628BB2D46738F42B2FC6393656F4718>]>> 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 0 obj a.Conductive objects [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. Exercise their rights under the law without retaliation, including reporting an injury or raising health and safety concerns with their employer or OSHA. a.Shut off power within a fraction of a second Potential hazards of electricity are preventable if you do which of the following listed below? % b.Ground Fault Critical Interrupter Carly needs to use an extension cord with her corded nail gun. Take any defective equipment out of service. Overview. xref 4.Cardiac arrest 0000005050 00000 n 0000010603 00000 n d. Match the outlet prongs to the extension cord. -Voltage= a measure of electrical force. c.Touching the motor Electrical Safety Quiz Electrical safety is an important topic that you and your workers need to know about. Remove from service any equipment with frayed cords, missing ground prongs, cracked tool casings, etc. 4 0 obj OSHA 10 General Industry Test Answer Key WALKING. Extension cords had poor splices, no grounds, and reversed polarity. How fast would the ball be moving at the moment of release? 0000007741 00000 n 0 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. What is the most common, non-fatal, electrical shock-related injury? Select the correct answer and then click DONE. 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. 2.Something to transport the electrical current -- A conductor. 0000004921 00000 n Isolating, Power lines may be located underground. Provide a safe path to earth ground for electricity. What do tripped circuit breakers and blown fuses indicate? [Flexible Cords and Power Tools]. 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). Question 3: Employers are not required to enforce lock out/tag out practices in the workplaces. Which one of these methods MOST effectively protects machines, tools, and operators against damage from electrical current? 0000002385 00000 n d.50,000 volts. 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 modification of the plug was not an intended use or prescribed by the manufacturer. -If current passes through the body near the heart or brain. HWMo#7v#h>6,Z4- H. Select the correct answer and then click DONE. d.Constructive objects, Select all answers that apply to the following statement and then click DONE. 4.Good condition of moveable parts, Items that could encourage overheating and cause tools to malfunction or start a fire include: Call ________ prior to digging to be connected with your local One Call Center to have all underground lines located by the utility company. 1.Missing or broken path to ground. 0000421920 00000 n c) Age % 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. indoors. 0000002403 00000 n trailer <]/Prev 500768/XRefStm 1495>> startxref 0 %%EOF 222 0 obj <>stream c.Wood 4.Flex Question 3: If following lock out/tag out procedures, what step should be taken BEFORE you shut down the equipment? 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. specifically addresses electrical protective devices. %PDF-1.5 True. Is not broken, Question Text: Electrical tools should be grounded with a(n)________. |tYny@YE>LkNj4-czZf"Usw>j\sv3fn},>},KeA s Explain the purpose and use of the MyPlate symbol. Question 2: It's okay to use extension cords with worn insulation, as long as you are careful about it. 1. Should he use an extension cord to power it? 0000001646 00000 n b.A fast-acting switch monitoring current flow Select the correct answer and then click on DONE. 0000002557 00000 n b.Yes, as it would be too expensive to install more permanent wiring and receptacles. 2.Yes, because he is using a portable power tool. Extension cords are used to: x_HSqnwmky54YLzeStJi# TZObFT*.#BQF/Q a.Two-prong plug OSHA 29 CFR 1910.147 . d.Adapter, What is a GFCI? %PDF-1.5 -Glass. 0000002479 00000 n Quiz Question 4: Which is a preventive measure to prevent hazards while working with power lines? How might this event affect the ability of animals to obtain energy to live? Question 3: A/an ____________ is a unit of measurement for electrical resistance. 4.Broken. Quiz: Electrical Hazards. . 4. Identify the oxidizing and reducing agents. c.A measurement of electricity c.Gasoline (See NFPA 70E-2021 Article 130 and OSHA subpart S part 1910.333 (a) (1)- (2) and (c) for complete details.) 1.Clench Select the correct answer and then click DONE. 3. Muscular contraction and nerve damage occur; death likely. 1 0 obj 1452 25 Death. Which of the following can be caused by exposure to an arc flash? I;C`_;LV'd,|#H--e`( ')'RpAgA7O`?%68SB 2.Using extension cords or electrical tools properly. b.Metal 1.Damaged cover or insulation Best Practices with Power Lines 1. b.burns. Select the correct answer and then click DONE. Frequently inspect electrical systems to insure that the path to ground is continuous. Seven employees of a masonry company were erecting a brick wall from a tubular, welded-frame scaffold approximately 24 feet high. 1) The _____ created the Occupational Safety and Health Administration (OSHA) to set and enforce protective workplace safety and health standards. How will she choose the correct cord? BIOLOGICAL HAZARDS: term effects) and strain (longAssociated with working with animals, people, or infectious plant materials. b.Rod [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. The accident site was wet; also, humidity was high and the victim was sweating. Electrical safety requirements necessary for the practical safeguarding of employees in the workplace. b) By supplying GFCIs, or ground-fault circuit interrupters 1.Is firmly connected 4.Must be replaced, Always use a GFCI: Using tools and equipment that can contact power lines increases the risk. If a defective power tool gives you an electric shock, how might your muscles react? Apparently, his hand contracted and he was "locked" to the saw. Ground all exposed metal parts of equipment. 0000003771 00000 n Visually inspect all electrical equipment before use. 1.Extension cords Using circuit breakers or fuses with the wrong rating for over-current protection, e.g. a.Electricity 0000001861 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. Electrical Safety Multiple Choice Questions and Answers for competitive exams. gYpV:+ The most dangerous place to use electrical equipment is? The normal wear and tear on extension and flexible cords at your site can loosen or expose wires, creating hazardous conditions. Apply a warning tag to any defective tool and do not use it until the problem has been corrected. 0000018681 00000 n Quiz Question 5: A/an ___________ is a unit of measurement for electrical resistance. This caused him to fall from the ladder and land in a puddle of water, still holding the saw. C. near water. Working with electricity can be dangerous. 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? 1.Missing <>>> OSHA requires the testing of a volt meter after a voltage test on voltage above_____. Using the wrong light bulb wattage; Overloading power strips and outlets; Unprotected electrical outlets; Poor wiring; Defective electrical wires Question 1: Each year, approximately __________ workers suffer from electricity related injuries. The first worker knocked the auger off the victim, but saw that the electric cord was wrapped around the victim's thigh. 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.
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