which of the following are electrical hazards osha quizlet

[Power Tools]. The auger has a one-quarter horsepower motor encased in a metal housing with two handles. Lockout/tagout procedures. d. Match the outlet prongs to the extension cord. Electricity for power tools was supplied from an exterior 120-volt, grounded AC receptacle located at the back of the residence. Electrical hazards expose workers to the following: Burns: Three types; electrical, arc flash, or thermal contact. Improper Use of Extension and Flexible Cords. d. 411, You are working with a 10-foot section of a conductive pipe near power lines. 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. 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. Using cords or tools with worn insulation or exposed wires. d. Power outlets, ________ are anything that can transmit electrical current. <> 1.When you are using electricity near water Isolating, Power lines may be located underground. The \rule{1cm}{1pt} artery carries deoxygenated blood from the heart to the lungs. Select the correct answer and then click DONE. 4.Dirt build-up, Use only approved and authorized power tools in areas where the following hazards may be present: d) All of the above. d.The body of the power tool. Both could have prevented the accident from occuring. . Computers 2. hazard or that their employer is not following OSHA's rules. Both the operator and the victim failed to notice that the boom had contacted a 2,400-volt overhead power line. [, Use all equipment according to the manufacturer's instructions. Identify the oxidizing and reducing agents. a.Standing in water Which group would be more accurate when used in an accelerating spaceship? Muscular contraction and nerve damage occur; death likely. Bob is asked to repair some overhead wiring, requiring the use a ladder. trailer <<11AC4BACEBCA4B32A885F1120BD3A307>]>> startxref 0 %%EOF 153 0 obj <>stream |tYny@YE>LkNj4-czZf"Usw>j\sv3fn},>},KeA s This caused him to fall from the ladder and land in a puddle of water, still holding the saw. Provide a safe path to earth ground for electricity. Ground all exposed metal parts of equipment. Quiz Question 6: Which of these is not a type of Ground Fault Circuit Adapter? g]+fn_m{mja_0Y w endstream endobj 189 0 obj <> endobj 190 0 obj <>stream 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 Regarding hand protection employers should: A. The workers administered CPR to the victim, but to no avail. 0000110659 00000 n Suppose a volcano threw so much ash into the air that it blocked much of the sunlight. A co-worker disconnected the power cord to the saw, too late to save the victim. Using circuit breakers or fuses with the wrong rating for over-current protection, e.g. specifically addresses electrical protective devices. 0000055319 00000 n When current travels through your body - Definition of electric shock. a. 0000002876 00000 n Use the terms (freezing, gas, liquid, physical changes, solubility, solution, temperature, volume) to complete the sentence. b.Shut off power within five minutes of the imbalance Equipment used in manner prescribed. Looking for NFPA 70E Certification? 3.Loss of eyesight *Effects are for voltages less than about 600 volts. 0000013999 00000 n -Glass. 0000420887 00000 n Examples of Equipment That Can Contact Power Lines. d. 20 feet. b.burns. OSHA 10 General Industry Test Answer Key WALKING. 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. One handle has a deadman's switch. What three things must be present for a current to flow through a conductor. Quiz Question 2: Which is acceptable when using powdered tools? 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. Know glove capability VS hazard anticipated (exposure to chemicals, heat, or flames). 2.Grease Quiz Question 4: Which is a preventive measure to prevent hazards while working with power lines? 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). A Safety Electrical One Line Diagram should be used to _____ all sources of electrical energy. Stay at least 10 feet away from overhead power lines. b.The tool's power cord. What is the most common, non-fatal, electrical shock-related injury? <>>> 1.Missing or broken path to ground. 0000021516 00000 n Select the correct answer and then click DONE. <> RZyd (See NFPA 70E-2021 Article 130 and OSHA subpart S part 1910.333 (a) (1)- (2) and (c) for complete details.) :$#k9BPnZ{Qqe/reKy,'ZlB# b.Yes, because Bob was on . 4 0 obj 0000010155 00000 n b.Not wearing insulating shoes or boots when she was handling electrical equipment 3. A) 120v . 4 0 obj Examples Of Electrical Hazards. [Flexible Cords and Power Tools]. 0000004274 00000 n 3.Needs to be reset One hand drill was not grounded, and the other had no safety plate. b.Ground Fault Critical Interrupter 1. 0000414648 00000 n If a worker has been retaliated against for using their rights, they c.Absorb any water around the area 12 months C. 6 months D. Never Q23. 4.Damaged cover or insulation, When using electric-powered hand tools, do not overload: 3.No, because he will not be touching any grounded material when using the tool. c.The outlet. 0000014257 00000 n 1 0 obj Latoya is using a mixing motor to mix pool chemicals in a plastic drum. 0000005716 00000 n This is action is also known as creating or completing an electrical circuit. B 208v. Lx*jWP# /c2)|]NXqAx>=~'[ The workers had removed their shirts and were sweating. In 2017, there were over ______________ electrical related violations cited by OSHA in the workplace. If electrical equipment is used in ways for which it is not designed, you can no longer depend on safety features built in by the manufacturer. Co-workers provided CPR, but were unable to revive the victim. In addition to contact with power lines, the top electrical hazards include: What type of burns are the result of current flowing through and exiting the body? trailer 0000003413 00000 n OSHA Safety and Health Topics Page. 2 0 obj 1) The _____ created the Occupational Safety and Health Administration (OSHA) to set and enforce protective workplace safety and health standards. The light fixture, which served as a ground, was known to be faulty for at least 5 months before the incident. % Best Practices with Power Lines 1. 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: x_HSqnwmky54YLzeStJi# TZObFT*.#BQF/Q 182 0 obj <> endobj xref 182 41 0000000016 00000 n Which of the following factors determine how severe an electrical injury might be? The small electrical current enters his body through his left leg. 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 Test your knowledge with our electrical safety quiz below. Which of the following can be caused by exposure to an arc flash? The ground wire was not attached on the male end of the cord's plug. 0000006152 00000 n Due to the dynamic, rugged nature of construction work, normal use of electrical equipment at your site causes wear and tear that results in insulation breaks, short-circuits, and exposed wires. Electricity to operate portable power tools was supplied by a temporary service pole 50 feet away. Which of the following are insulators of electricity? The first worker knocked the auger off the victim, but saw that the electric cord was wrapped around the victim's thigh. Fatal electrocution is the main risk, but burns and falls from elevations are also hazards. 4.No, because he does not need to use an extension cord. 0000001672 00000 n %PDF-1.4 % A worker was removing a metal antenna when it made electrical contact with a 7200-volt power transmission line. 2.Something to transport the electrical current -- A conductor. Question 2: It's okay to use extension cords with worn insulation, as long as you are careful about it. Use only extension cords that are marked with a designation code for hard or extra-hard usage. 4.The amount of current, An electrical burn may affect: Hand-operated metal shifting ropes or cables of electric elevators. Quiz Question 9: Conductor insulation must be approved for the ___________ of use? 3 OSHA requires the testing of a volt meter after a voltage test on voltage above_____. 2.Flooding Exercise their rights under the law without retaliation, including reporting an injury or raising health and safety concerns with their employer or OSHA. You can classify scales for weighing objects as those that use springs and those that use standard masses to balance unknown masses. Get resources on specific hazards and their control, including identification, risk assessment and inspections, to keep your workplace healthy and safe. c. Inductive objects Question 4: When a worker receives an electric shock, first aid must start within ___________ minutes. Death is probable. 1. 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. She has an older drill with a steel housing and a 3-prong plug. Apply a warning tag to any defective tool and do not use it until the problem has been corrected. OSHA 29 CFR 1910, Subpart S . 0000004793 00000 n b.Rod c.Gasoline vpfuI)],s Water d.A power tool, A GFCI is designed to: 3.Something that causes current to flow through the . 5. b+t6W' te+.W_{8u7Dt@1c. 1. 0000421920 00000 n Provides information about the hazards that electrical workers may experience as a part of their jobs. -Wood. 0000007427 00000 n Study with Quizlet and memorize flashcards containing terms like Bob is asked to repair some overhead wiring, requiring the use a ladder. The ________ keeps the electricity on its intended path through the conductor. a.Two-prong plug 0000001116 00000 n 1452 25 0 (E) a, b, and c. 2. If you are touching any grounded material while using a power tool 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. 1. Using tools and equipment that can contact power lines increases the risk. Quiz Question 5: A/an ___________ is a unit of measurement for electrical resistance. =EAn`u!d, |\~Y>ZF( dnLN\2vP6 >sSjgh2:Lmqx#a[G2{h$zW]_:@Lvr)2T:R-/ `&~O4j)>1P*M 5>F:1B.g!AR Check your employee's electrical safety knowledge through an electrical safety quiz. The contact lasts for 5 seconds before someone is able to shut off the power. 1.Is faulty 0000011060 00000 n Electrical Safety Multiple Choice Questions and Answers for competitive exams. 0000003715 00000 n 4,600. These short objective type questions with answers are very important for competitive exams as well as Board exams. b.Yes, as it would be too expensive to install more permanent wiring and receptacles. 1 0 obj Additional minimum clearance distance is required for power lines carrying over ________. (See NFPA 70E-2021 Article 130 and OSHA subpart S part . OSHA: Air Monitoring & Medical Surveillance, WebQuest: Biomes, Ecosystems and Habitats. As he is working on the wiring, he receives an electrical shock that knocks him backward and causes him to fall off the ladder. Explosion. <<7628BB2D46738F42B2FC6393656F4718>]>> Use only cords, connection devices, and fittings that are equipped with strain relief. 0000002479 00000 n 2. H. 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. Additionally, the ground prong was missing and there was no GFCI protection. Select the correct answer and then click DONE. 0000001814 00000 n (C) Hot sticks. (D) None of the above. Of the following choices, which are frequent electrical hazards Question 2: Which of the following are ways employers must protect their employees on the workplace? Gloves used for electrical work must be inspected and tested prior to use, and be certified every: A. B. 0000028595 00000 n The individual's perspiration-soaked clothing/body contacted bare exposed conductors on one of the cords, causing an electrocution. . xb```VVF A10p,``Pp`hhdpn``r`L:[ I,aZ4Knj21 `ny; Ge7t@OrMx)"cx&e:[~J%aUJ\*t 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. Using a dry wood ladder when the possibility exists for contact with electricity. Extension cords are used to: 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. BE SAFE! Death. 1.The humidity of the environment Quiz: Electrical Hazards. 1,[-c|"&u[Fu>wjte8j:xRk )"m_!6awT J,byp?fRBf?p|b3/Um\7"|+@5vvWAa5J^y*q,l b)Ftt4 :4,-J`! 2. 1. 0000427811 00000 n 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 equipment that is approved to meet OSHA standards. endobj Supply power for tools or equipment on a long-term basis. 3.Loose nuts !DP#vr-\DM<6V-2'I5l6)Z@^m=}c3-aUOo6rr V-Y3d6HABmjD $TQCvK*eg&|Y596#H\ Attaching ungrounded, two-prong adapter plugs to three-prong cords and tools. The accident site was wet; also, humidity was high and the victim was sweating. Select the choices that accurately define the common electrical term. b. It's okay to use extension cords with worn insulation, as . Is the west coast of Africa a plate boundary? -Conductor= permits the free flow of electricity. (B) Switch sticks. 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 . 3 0 obj He plans to use it over a period of at least six months. Explain the process that prevents the poles from steadily cooling off and the tropics from heating up over time. 0000004921 00000 n A. indoors. 0000008392 00000 n HWMo#7v#h>6,Z4- Potential hazards of electricity are preventable if you: Electricity must always travel in a(n) ________, ________ circuit. Select the correct answer and then click DONE. [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. 2. 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. High humidity Select the correct answer and then click on DONE. 1.Is firmly connected lb MKS 0000005632 00000 n The victim provided a path to ground and was electrocuted. Leaving or using electrical appliances near water - As electric current is transmitted faster in on wet surfaces, you stand a chance of getting an electric shock. -Damage to internal organs. Metal partitions, grill work, and similar metal enclosures around equipment of over 1kV between conductors. 4.Good condition of moveable parts, Items that could encourage overheating and cause tools to malfunction or start a fire include: Overhead and buried power lines at your site are especially hazardous because they carry extremely high voltage. 0000010603 00000 n Electricity will form a "path" or "loop". %PDF-1.5 startxref 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. 0000002386 00000 n d.Alert workers of any water in the area, GFCI is an acronym for: Post warning signs. Outlets A 120v. 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. (b) The same reaction can also be classified as a redox reaction. 3.When you are using portable power tools 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.