She has an older drill with a steel housing and a 3-prong plug. Study with Quizlet and memorize flashcards containing terms like OSHA's electrical standards are based on: A. ANSI standards B. Hazards are created when cords, cord connectors, receptacles, and cord- and plug connected equipment are improperly used and maintained. 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? 0000089142 00000 n 2. Do not remove ground prongs from cord- and plug-connected equipment or extension cords. 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. B. outdoors. Latoya is using a mixing motor to mix pool chemicals in a plastic drum. 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. c) Age Examples Of Electrical Hazards. True. %PDF-1.5 vpfuI)],s (B) Switch sticks. When the victim reached down to connect the choker to the hoist cable, he suddenly collapsed. Water Others, such as office workers and sales people, work with electricity indirectly and may also be exposed to electrical hazards. 0000007464 00000 n No Ground-Fault Circuit Interrupters (GFCIs): A journeyman HVAC worker was installing metal duct work using a double-insulated drill connected to a drop light cord. <>/ExtGState<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 792 612] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> Question 2: Which of the following are ways . 1.A source of electrical current to flow. endobj 0000007116 00000 n Select the correct answer and then click DONE. If you are touching any grounded material while using a power tool 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. b.Yes, as it would be too expensive to install more permanent wiring and receptacles. d.Water, Other electrical hazards in the workplace include: Which of the following can be caused by exposure to an arc flash? View Best Practices with Power Lines Quiz OSHA 30.docx from OSHA 30 at Columbia Southern University. 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 . As he is working on the wiring, he receives an electrical shock that knocks him backward and causes him to fall off the ladder. Then answer the questions below. !DP#vr-\DM<6V-2'I5l6)Z@^m=}c3-aUOo6rr V-Y3d6HABmjD $TQCvK*eg&|Y596#H\ 3.Clear Even when the power system is properly grounded, electrical equipment can instantly change from safe to hazardous because of extreme conditions and rough treatment. d.Adapter, What is a GFCI? b.Yes, because Bob was on . Using modified cords or tools, e.g., removing ground prongs, face plates, insulation, etc. a.related to muscle damage. 4.Flex 0000002122 00000 n OSHA CONSTRUCTION FINAL EXAM Question and Answer Part 10. ly/homeo3b700 Which of the following is a resource within the. ZR)!=w|; @uT C0? 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. The following are electrical hazards: Shock. Electrical safety requirements necessary for the practical safeguarding of employees in the workplace. Extension cords had poor splices, no grounds, and reversed polarity. Co-workers provided CPR, but were unable to revive the victim. OSHA Pros, LLC is an authorized provider of 360 Training, an OSHA-Accepted Provider, offering training and certification courses for NFPA 70E-Standard, and 1. An employee was texturing a wall using an air compressor. I;C`_;LV'd,|#H--e`( ')'RpAgA7O`?%68SB When current travels through your body - Definition of electric shock. 0000000016 00000 n Question 1: Which of these is a type of Ground Fault Circuit Adapter? 1.Flammable liquids %%EOF Select the correct answer and then click DONE. The victim collapsed into the lake and sank 4-1/2 feet to the bottom. 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. Protection is lost because it will not trip when the system's load has been exceeded. -Wood. b. Deductive objects (C) Hot sticks. Question 3: A/an ____________ is a unit of measurement for electrical resistance. c.911 Among all of the safety measures that can and should be used to prevent electrical shock, which one is the most essential? She finds several available in the shop. De-energizing SCENARIO: You encounter a co-worker on a residential remodeling job. Draw a line from the item on the left that corresponds to the match on the right. 1.Using a fiberglass ladder when the possibility exists for contact with electricity. d. 20 feet. Using multi-receptacle boxes designed to be. Equipment used in manner prescribed. 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). Get All Answers to OSHA 30 Construction Final Exam. specifically addresses electrical protective devices. d. heart attacks. Using the wrong light bulb wattage; Overloading power strips and outlets; Unprotected electrical outlets; Poor wiring; Defective electrical wires (See NFPA 70E-2021 Article 130 and OSHA subpart S part 1910.333 (a) (1)- (2) and (c) for complete details.) The ground wire was not attached on the male end of the cord's plug. Question 4: When a worker receives an electric shock, first aid must start within ___________ minutes. 1. The pole had not been inspected by the city and was not in compliance with code requirements (it was not grounded). D. Have an ANSI sticker and an expiration date. Which of the following are insulators of electricity? As the victim climbed down a makeshift ladder, he shifted the saw from his right hand to his left, and was shocked. 128 0 obj <> endobj xref 128 26 0000000016 00000 n b.30,000 volts <<7628BB2D46738F42B2FC6393656F4718>]>> 3.Cramp BIOLOGICAL HAZARDS: term effects) and strain (longAssociated with working with animals, people, or infectious plant materials. 1. a.Your thumb. 4.Damaged cover or insulation, When using electric-powered hand tools, do not overload: d.Add more outlets. If the insulation on the tool's power cord is damaged and you touch this area while grounded, the electricity will ________. 2. Fire Which of the following can be the result of electric shock? Quiz Question 5: A/an ___________ is a unit of measurement for electrical resistance. 2.Is working properly Easy to identify If a worker has been retaliated against for using their rights, they 3.Draped over equipment. 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. 0000003771 00000 n Effective means of controlling power line hazards include: b.Match the thickness of the extension cord to the thickness of the nail gun's power cord. 4,600. 3. 4.Running through doorways. (3,2,1), (5,4,3). 0000427811 00000 n View Answer Answer: 600v 4 . 182 0 obj <> endobj xref 182 41 0000000016 00000 n a.Supply power for tools or equipment on a temporary or short-term basis. The victim was part of a crew that was constructing a concrete wall. This may damage your equipment and cause employee injuries. OSHA Safety and Health Topics Page. he most common shock-related injuries are: <> 2.Loose screws c.Gasoline Question 1: Each year, approximately __________ workers suffer from electricity related injuries. Hand-operated metal shifting ropes or cables of electric elevators. 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. d.Ground Fault Circuit Interrupter, : Another electrical hazard that can cause injury or death in the workplace is a ________ path to ground. Wearing a baseball cap Underground electrical hazards are: A. 1) The _____ created the Occupational Safety and Health Administration (OSHA) to set and enforce protective workplace safety and health standards. When inspecting extension cords, look for: 0000000816 00000 n RZyd stream Electrocution. (a) Describe the reaction between the hydride ion and water in terms of a Bronsted acid-base reaction. 3.Loss of eyesight 0000414648 00000 n b.Shut off power within five minutes of the imbalance Select the correct answer and then click DONE. 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. (E) a, b, and c. 2. Electrical Contractors Industry. 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. [29 CFR 1926.416(a)(1)]. Supply power for tools or equipment on a long-term basis. A worker was operating a " electric chisel when an electrical fault occurred in the casing of the tool, causing him to be fatally electrocuted. Which of the following injuries can occur when muscles flex or twitch from an electrical shock? 0000003640 00000 n 1. b.Ground Fault Critical Interrupter No GFCI's were used. <>>> Damaged Extension Cord Leaves Arc Welder Ungrounded: A 29-year-old welder attempted to connect a portable arc welder to an electrical outlet using an extension cord.

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