4.Broken. 2.Using extension cords or electrical tools properly. How might this event affect the ability of animals to obtain energy to live? True. 0000004793 00000 n c.Gasoline 0000089142 00000 n Electrical safety quiz answers are given below. (C) Hot sticks. %PDF-1.5 Hazards are created when cords, cord connectors, receptacles, and cord- and plug connected equipment are improperly used and maintained. Using cords or tools with worn insulation or exposed wires. Select the correct answer and then click on DONE. 0000108653 00000 n . Others, such as office workers and sales people, work with electricity indirectly and may also be exposed to electrical hazards. OSHA 29 CFR 1910, Subpart S . =EAn`u!d, |\~Y>ZF( dnLN\2vP6 >sSjgh2:Lmqx#a[G2{h$zW]_:@Lvr)2T:R-/ `&~O4j)>1P*M 5>F:1B.g!AR Is the west coast of Africa a plate boundary? xb```VVF A10p,``Pp`hhdpn``r`L:[ I,aZ4Knj21 `ny; Ge7t@OrMx)"cx&e:[~J%aUJ\*t Protection is lost because it will not trip when the system's load has been exceeded. There are many types of hazards - chemical, ergonomic, physical, and psychosocial, to name a few - which can cause harm or adverse effects in the workplace. he most common shock-related injuries are: 0000003603 00000 n 4.Damaged cover or insulation, When using electric-powered hand tools, do not overload: Question 2: Which of the following are ways employers must protect their employees on the workplace? Visually inspect all electrical equipment before use. a. Short In Power Saw/Ungrounded Temporary Power Supply: On July 10, 1986, a 22-year-old carpenter was working at the construction site of large apartment complex, using a portable electric saw to construct the wooden framework of a laundry building. 0000110659 00000 n Some of the causes of these are live wire s that may be lying around, overloaded circuits, explosions that are caused by flammable objects, etc. C 277v. HJ=S~68438IR/:VR C Y<7H*$F>ya)N1bTa+'OdzydV9QS]b{}(=q?pH,mt8{Ag ]wp?2N$AfnhBL!jV=6ho)5jA8H`Bkh{T[v\G%b|4| Eo*cF ]TBGjB[r6)WzCkQ;Bx(]*JG;&o0TV.P=s4Gs(&e~}j76,-6at$]r**-I!o66PqK.z "*D NFPA 70E: Standard for Electrical Safety in the Workplace 3.The length of time the body is in contact with electricity 3.ack of ground fault protection. c. Match the color of the tool to the color of the extension cord. The scaffold had been constructed only 21 horizontal inches across from a 7,620-volt power line. The victim was totally deaf in one ear and suffered diminished hearing in the other. Engineers, electricians, and other professionals work with electricity directly, including working on overhead lines, cable harnesses, and circuit assemblies. 1.Fingernails a.A small current Extension cords had poor splices, no grounds, and reversed polarity. Safe operation of hand and portable powered tools and other hand-held equipment. 0000002876 00000 n The light fixture, which served as a ground, was known to be faulty for at least 5 months before the incident. Select the correct answer and then click DONE. endobj [Power Tools]. 2 0 obj Becoming part of the circuit exposes you to ________, the most dangerous electrical hazard. d.The body of the power tool. Co-workers provided CPR, but were unable to revive the victim. 0000013999 00000 n 1.Is firmly connected which of the following are electrical hazards osha quizlet She has an older drill with a steel housing and a 3-prong plug. The auger has a one-quarter horsepower motor encased in a metal housing with two handles. 0000005042 00000 n Potential hazards of electricity are preventable if you: Electricity must always travel in a(n) ________, ________ circuit. Which group would be more accurate when used in an accelerating spaceship? 0000015549 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. d. heart attacks. 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? b. Which of the following can be caused by exposure to an arc flash? Burns. Frequently inspect electrical systems to insure that the path to ground is continuous. %PDF-1.4 % Osha 10 test answers 2021 quizlet - Math Questions 2.The person's physical condition d.Ground Fault Circuit Interrupter, : Another electrical hazard that can cause injury or death in the workplace is a ________ path to ground. b.A fast-acting switch monitoring current flow d.Adapter, What is a GFCI? 0000022637 00000 n 1.Clench What factors determine the severity of Dirk's injuries? Select the correct answer and then click DONE. Potential hazards of electricity are preventable if you do which of the following listed below? 0000414648 00000 n Suppose a volcano threw so much ash into the air that it blocked much of the sunlight. 1. When selecting the right extension cord, a good rule of thumb is to match the thickness of the extension cord to the thickness of: 0000000816 00000 n 2. 0000056642 00000 n Noise, : ________ or heavy perspiration can cause electricity to take an unintended path. A 120v. It is important to note that NFPA 70E is a . 0000420887 00000 n Use only extension cords that are 3-wire type. Gloves used for electrical work must be inspected and tested prior to use, and be certified every: A. lb MKS As he removed the forms, he wrapped them with a length of cable called a choker, which was to be attached to a crane. Use only extension cords that are marked with a designation code for hard or extra-hard usage. As she is adding in the chemicals, her hand touches the motor and it becomes energized. Ground all exposed metal parts of equipment. -Rubber. gYpV:+ d.Metal, Over half of all deaths caused by electricity result from contact with ________. After the wall was poured, one driver cleaned the loading chute of his cement truck with a water hose mounted on the truck. c.falls. 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. 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. 1.Extension cords Extension cords may become a trip hazard when: 0000000016 00000 n Does the fall qualify as an electrical accident? Should Ajay use a GFCI? d.Alert workers of any water in the area, GFCI is an acronym for: To be safe, you must think about your job and plan for hazards. When the victim reached down to connect the choker to the hoist cable, he suddenly collapsed. 3.No, because he will not be touching any grounded material when using the tool. OSHA 29 CFR 1910.147 . Post warning signs. 4.Circuit breakers, When inspecting power tools, look for: HWMo#7v#h>6,Z4- . Know glove capability VS hazard anticipated (exposure to chemicals, heat, or flames). 2.Skin 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? A 20-year-old bricklayer standing on the work platform in contact with the main scaffold was electrocuted. d. Match the outlet prongs to the extension cord. 0000001908 00000 n 2.Placed along a wall. 3.Body tissue 0000000816 00000 n c.Three-prong plug What do tripped circuit breakers and blown fuses indicate? <> A. wrap tape around the damaged spot to prevent electrical shocks. 5.Twitch, Electrical shock may result in: Power was supplied through two extension cords from a nearby residence. In which of the following workplace situations are you at risk for coming into contact with live electrical . 3. OSHA CONSTRUCTION FINAL EXAM Question and Answer Part 10. ly/homeo3b700 Which of the following is a resource within the. c.15 feet The individual's perspiration-soaked clothing/body contacted bare exposed conductors on one of the cords, causing an electrocution. 4.Flex c.40,000 volts 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. 0000004444 00000 n 0000001672 00000 n What is the primary purpose of properly grounding equipment? High humidity Unless you know otherwise, assume that overhead lines are energized. d/E \VZvl$Y#nH,EIm /\"BQ>Rkl6xZWtAgfs Using tools and equipment that can contact power lines increases the risk. c.A measurement of electricity OSHA 10 - Exit Routes, Emergency Action Plans, The Analysis and Design of Linear Circuits, Albert J. Rosa, Gregory J. Toussaint, Roland E. Thomas. Besides personal bodily injury, what other electrical hazards can be found in the workplace? b+t6W' te+.W_{8u7Dt@1c. 2.Grease Additional minimum clearance distance is required for power lines carrying over ________. Study with Quizlet and memorize flashcards containing terms like Bob is asked to repair some overhead wiring, requiring the use a ladder. 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. Quiz Question 1: Which of the following is not a category of electrical burns? Select the correct answer and then click DONE. One worker, holding the deadman's switch, received a shock from a ground fault in the auger and was knocked back from the machine. If you are touching any grounded material while using a power tool Work performed on an electrical system within reaching distance of energized components is_____work. b.Shut off power within five minutes of the imbalance 3. b. Deductive objects In 2017, there were over ______________ electrical related violations cited by OSHA in the workplace. [. 1. Only after a rescue squad arrived about 4 minutes later did anyone realize that the crane was in contact with a power line -- all those present had assumed that the victim had suffered a heart attack. Explain the purpose and use of the MyPlate symbol. 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. OSHA Safety and Health Topics Page. d. No, because an extension cord would not provide enough power. a.Yes, as it is a mobile engine testing station. True. b.Ground Fault Critical Interrupter Yes, because he will be using electricity near water. 0000108920 00000 n Most of the hydrides of Group 1A and Group 2A metals are ionic. Electricity must follow an uninterrupted loop from the power source to the equipment and back to the power source or ________. 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. 3. Electrical - Overview | Occupational Safety and Health Administration This is action is also known as creating or completing an electrical circuit. Match the length from job to outlet. Get All Answers to OSHA 30 Construction Final Exam. Before using the equipment, be sure that the ground wire: <> 0000004208 00000 n He plans to use it over a period of at least six months. 15,000 milliamps (15 amps) Lowest overcurrent at which a typical fuse or circuit breaker opens a circuit! Which of the following are caused by contact with electricity? (E) a, b, and c. 2. The accident site was wet; also, humidity was high and the victim was sweating. 1.Flammable liquids 0000008392 00000 n 1.Cuts Which of the following factors determine how severe an electrical injury might be? Best practices with power lines include: A 29-year-old worker was electrocuted when he pushed a crane cable into a 7,200-volt power line.