RZyd Provide a safe path to earth ground for electricity. 0000028595 00000 n 0000021516 00000 n a.311 Determine duration, frequency, degree of exposure to hazards and physical stress. Select the correct answer and then click DONE. 1.The humidity of the environment c.911 What factors determine the severity of Dirk's injuries? The scaffold had been constructed only 21 horizontal inches across from a 7,620-volt power line. stream 0000001908 00000 n -Grounding= a conductive connection to the earth which acts as a protective measure. It's okay to use extension cords with worn insulation, as . a.A small current BIOLOGICAL HAZARDS: term effects) and strain (longAssociated with working with animals, people, or infectious plant materials. D. Communicate the hazard to the crew and subs, use signs and bar E. Both C and D Q22. NFPA 70E defines those special circumstances and sets rigid electrical safety limits on voltage exposures, work zone boundary requirements and necessary personal protective equipment (PPE). (See NFPA 70E-2021 Article 130 and OSHA subpart S part . 0000089142 00000 n 0000002733 00000 n When the energized conductor made contact with the ladder, the path to ground included the worker's body, resulting in death. Among all of the safety measures that can and should be used to prevent electrical shock, which one is the most essential? In which of the following workplace situations are you at risk for coming into contact with live electrical . Noise, : ________ or heavy perspiration can cause electricity to take an unintended path. Extension cords are used to: Additionally, the ground prongs were missing from the two cords. 0000012944 00000 n d/E \VZvl$Y#nH,EIm /\"BQ>Rkl6xZWtAgfs Protection is lost because it will not trip when the system's load has been exceeded. The ________ keeps the electricity on its intended path through the conductor. 0000002557 00000 n b.Metal Most of the hydrides of Group 1A and Group 2A metals are ionic. 0000005042 00000 n . 0000004921 00000 n B. outdoors. 0 Select the correct answer and then click DONE. Carly needs to use an extension cord with her corded nail gun. 0000012360 00000 n d. 411, You are working with a 10-foot section of a conductive pipe near power lines. Extension cords may become a trip hazard when: Which one of these methods MOST effectively protects machines, tools, and operators against damage from electrical current? D. near other electrical equipment. % endobj While attempting to unplug the compressor from the extension cord, the employee was fatally shocked. 0000006152 00000 n 3.The length of time the body is in contact with electricity c.The outlet. The power switch on the welder was already in the "on" position, and the female end of the extension cord, which was spring loaded, had apparently been dropped and broken. b. A measure of the energy of motion of the particles in a substance is its _____. The insulation on the extension cord was cut through and exposed bare, energized conductors which made contact with the ladder. How will she choose the correct cord? Of the following choices, which are frequent electrical hazards :$#k9BPnZ{Qqe/reKy,'ZlB# The factors that determine the severity of an electrical injury include: 0000002195 00000 n Study with Quizlet and memorize flashcards containing terms like Bob is asked to repair some overhead wiring, requiring the use a ladder. lex has set up a mobile engine testing station in the maintenance area. The modification of the plug was not an intended use or prescribed by the manufacturer. xref Take any defective equipment out of service. Computers 0000017336 00000 n Using equipment outdoors that is labeled for use only in dry, indoor locations. The small electrical current enters his body through his left leg. Which group would be more accurate when used in an accelerating spaceship? DHPP0MHLHIPPXc f2LXL"dgJ:@ ys`llr-shH,Y@Z 23J0a_TXD;X,;&0i,i&f&T8h R/ v`,l. 440!2D9482q={LPXs +( endstream endobj 129 0 obj <> endobj 130 0 obj <> endobj 131 0 obj <>/ColorSpace<>/Font<>/ProcSet[/PDF/Text/ImageB]/ExtGState<>>> endobj 132 0 obj <> endobj 133 0 obj <> endobj 134 0 obj <> endobj 135 0 obj <>stream Ground metal parts of the following non-electrical equipment, as specified by the OSHA standard [, Frames and tracks of electrically operated. specifically addresses electrical protective devices. When inspecting extension cords, look for: B. Electrical Safety Multiple Choice Questions and Answers for competitive exams. Which of the following factors determine how severe an electrical injury might be? 0000000016 00000 n OSHA Safety and Health Topics Page. -Wood. b.Shut off power within five minutes of the imbalance Quiz: Electrical Hazards. 4. endobj [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. A worker was removing a metal antenna when it made electrical contact with a 7200-volt power transmission line. a. a. Gaseous matter 0000006866 00000 n 2.Placed along a wall. Question 2: It's okay to use extension cords with worn insulation, as long as you are careful about it. 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. Select the correct answer and then click DONE. Equipment used in manner prescribed. xYmo -ER/&@[D,_! True. 1476 0 obj <>stream 1.When you are using electricity near water Death. Quiz Question 1: Which of the following is not a category of electrical burns? Working with electricity can be dangerous. (C) Hot sticks. d.Add more outlets. 182 0 obj <> endobj xref 182 41 0000000016 00000 n What type of burns are the result of current flowing through and exiting the body? This is action is also known as creating or completing an electrical circuit. Visually inspect all electrical equipment before use. g]+fn_m{mja_0Y w endstream endobj 189 0 obj <> endobj 190 0 obj <>stream 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 . C. near water. To be safe, you must think about your job and plan for hazards. Question 4: Which of the following is a type of burn caused by electrical hazards? Exercise their rights under the law without retaliation, including reporting an injury or raising health and safety concerns with their employer or OSHA. The most dangerous place to use electrical equipment is? [Power Tools]. 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. Power was supplied through two extension cords from a nearby residence. Freeze Muscular contraction and nerve damage occur; death likely. 3 OSHA requires the testing of a volt meter after a voltage test on voltage above_____. The driver stopped the truck under the power line, and the victim, not realizing that the truck had moved, swung the boom to position the bucket behind the truck. xb```VVF A10p,``Pp`hhdpn``r`L:[ I,aZ4Knj21 `ny; Ge7t@OrMx)"cx&e:[~J%aUJ\*t A. wrap tape around the damaged spot to prevent electrical shocks. 3.Loss of eyesight What do tripped circuit breakers and blown fuses indicate? The following are electrical hazards: Shock. What is the most common, non-fatal, electrical shock-related injury? Other protective measures include guarding or insulating the lines. The normal wear and tear on extension and flexible cords at your site can loosen or expose wires, creating hazardous conditions. C 277v. When current travels through your body - Definition of electric shock. 0000002385 00000 n Electrical safety quiz answers are given below. gYpV:+ 0000000816 00000 n On the day of the incident, the victim plugged in a damaged extension cord and laid it out towards the bulkhead. d.Ground Fault Circuit Interrupter, : Another electrical hazard that can cause injury or death in the workplace is a ________ path to ground. 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. 0000000816 00000 n 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. A) 120v . Which of the following part of you body can burn if you come in contact with electricity? c.falls. 3 0 obj 4.Combustible dust, Fundamentals of Engineering Economic Analysis, David Besanko, Mark Shanley, Scott Schaefer. Is split !DP#vr-\DM<6V-2'I5l6)Z@^m=}c3-aUOo6rr V-Y3d6HABmjD $TQCvK*eg&|Y596#H\ As he is working on the wiring, he receives an electrical shock that knocks him backward and causes him to fall off the ladder. d. Not checking to make sure that the motor was properly grounded, If the circuit does not turn off when testing the GFCI, the GFCI: Question 2: Which of the following are ways . OSHA 29 CFR 1910.147 . c.Absorb any water around the area a. 0000005632 00000 n qnde>9!.,T2 :hw5 #OaPxkx=y7]J-yv*'H$jmVCq$ sx:R2$9SY+D!!LJ:n+.\#Hu~2VI O? These short objective type questions with answers are very important for competitive exams as well as Board exams. 0000004686 00000 n A fan connected to a 120-volt electrical system via an extension cord provided ventilation for a worker performing a chipping operation from an aluminum stepladder. b. Deductive objects Electricity must follow an uninterrupted loop from the power source to the equipment and back to the power source or ________. 0000427811 00000 n 0000001646 00000 n b.Yes, as it would be too expensive to install more permanent wiring and receptacles. Effective means of controlling power line hazards include: Hazards are created when cords, cord connectors, receptacles, and cord- and plug connected equipment are improperly used and maintained. What is the minimum clearance distance you must maintain from the power lines? 1.Missing or broken path to ground. Using a dry wood ladder when the possibility exists for contact with electricity. Short Confined spaces Machinery-related hazards (lockout/tagout, boiler safety, forklifts, etc.) endobj 4.Dirt build-up, Use only approved and authorized power tools in areas where the following hazards may be present: Gloves used for electrical work must be inspected and tested prior to use, and be certified every: A. [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. <>/ExtGState<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> OSHA: Air Monitoring & Medical Surveillance, 5 ANO - RETOMANDO ARTIGO, SUBSTANTIVO E ADJE. BE SAFE! A) Identify; Castigate; C) Evaluate; D) Modify; 3. Do not remove ground prongs from cord- and plug-connected equipment or extension cords. View Answer Answer: 600v 4 . Improper Use of Extension and Flexible Cords. c.A measurement of electricity The source of the electricity was apparently a short in a receptacle, but examination revealed that the electrical equipment used by the contractor was in such poor condition that it was impossible to make a certain determination of the source of the short. d.Metal, Over half of all deaths caused by electricity result from contact with ________. Looking for NFPA 70E Certification? a.Ground Fault Circuit Insulator True. Apply a warning tag to any defective tool and do not use it until the problem has been corrected. <> 4 0 obj B 208v. 2.Grounding c) Age Fire Lx*jWP# /c2)|]NXqAx>=~'[ Two of the extension cords had no ground prongs, and some of them were repaired with electrical tape. Know glove capability VS hazard anticipated (exposure to chemicals, heat, or flames). Explosion 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 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. d.50,000 volts. Question 2: Which of the following are ways employers must protect their employees on the workplace? d. No, because an extension cord would not provide enough power. 2.The person's physical condition 3.No, because he will not be touching any grounded material when using the tool. Ground all exposed metal parts of equipment. Electricity for power tools was supplied from an exterior 120-volt, grounded AC receptacle located at the back of the residence. -Damage to internal organs. Electric current cannot exist without an unbroken path to and from the conductor. Underground electrical hazards are: A. How might this event affect the ability of animals to obtain energy to live? 4.Damaged cover or insulation, When using electric-powered hand tools, do not overload: 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. =EAn`u!d, |\~Y>ZF( dnLN\2vP6 >sSjgh2:Lmqx#a[G2{h$zW]_:@Lvr)2T:R-/ `&~O4j)>1P*M 5>F:1B.g!AR 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 0000056642 00000 n 5. 0000005406 00000 n OSHA 10 - Exit Routes, Emergency Action Plans, The Analysis and Design of Linear Circuits, Albert J. Rosa, Gregory J. Toussaint, Roland E. Thomas. The accident site was wet; also, humidity was high and the victim was sweating. 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. The auger has a one-quarter horsepower motor encased in a metal housing with two handles. d.Constructive objects, Select all answers that apply to the following statement and then click DONE. 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. The router's 3-wire power cord was spliced to a 2-wire cord and plug set which was not rated for hard service. 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. 0000003254 00000 n *Effects are for voltages less than about 600 volts. 0000068035 00000 n 0000010603 00000 n Contact utilities for buried power line locations. The contact lasts for 5 seconds before someone is able to shut off the power. The presence of ______ can turn you, your equipment, or insulators like wood, into conductors. A 120v. [Flexible Cords and Power Tools]. This caused him to fall from the ladder and land in a puddle of water, still holding the saw. 0000420277 00000 n 2.Something to transport the electrical current -- A conductor. Electrical current travels through insulated ________. (b) The same reaction can also be classified as a redox reaction. 2.Flooding Select the correct answer and then click DONE. 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. Remove from service any equipment with frayed cords, missing ground prongs, cracked tool casings, etc. If you are touching any grounded material while using a power tool Select the correct answer and then click DONE. 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. Many workers are unaware of the potential electrical hazards present in their work environment, which makes them more vulnerable to the danger of electrocution. b.Electrical tools 1. 1) The _____ created the Occupational Safety and Health Administration (OSHA) to set and enforce protective workplace safety and health standards. b.Ground Fault Critical Interrupter OSHA 10 General Industry Topic Exams Answer Key TOPIC EXAM 1: INTRO TO OSHA 1. 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. Quiz Question 5: A/an ___________ is a unit of measurement for electrical resistance. d. 20 feet. The pole had not been inspected by the city and was not in compliance with code requirements (it was not grounded). Electricity becomes hazardous when it takes an unintended path to complete the ________. 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 0 obj Death is probable. [, Do not modify cords or use them incorrectly. When used on the moon? a.Shut off power within a fraction of a second Dirk, a 28-year-old mechanic, is performing maintenance on a piece of equipment when he is shocked. -Conductor= permits the free flow of electricity. Select the correct answer and then click DONE. 1452 25 0000002403 00000 n Check your employee's electrical safety knowledge through an electrical safety quiz. 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. 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. Explosion. Question 1: Which of the following is a danger of electricity? Select the correct answer and then click DONE. 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. a.Yes, because the electrical shock caused the fall. a) Ensure overhead power line safety 3. c.Power lines Water 1.Pain You can classify scales for weighing objects as those that use springs and those that use standard masses to balance unknown masses. Using tools and equipment that can contact power lines increases the risk. c.Touching the motor Work performed on an electrical system within reaching distance of energized components is_____work. |tYny@YE>LkNj4-czZf"Usw>j\sv3fn},>},KeA s 4. 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. 0000420564 00000 n 1.Fingernails If the electrical conductors become exposed, there is a danger of shocks, burns, or fire. 0000004946 00000 n Quiz Question 10: Ground-fault circuit interrupters must be used for all of the following except? Ground all power supply systems, electrical circuits, and electrical equipment. @*@;z}IAH@3MsgU1Dnf@agLahpCn@&b|-^;b0k*!3VYy,jy%( Z%|\Jg"dRp-Wbz3QJS%k9p_WtZ c. Extend the reach of the power tool. In addition to contact with power lines, the top electrical hazards include: a.Yes, as it is a mobile engine testing station. c. No, because the electricity is needed on a long-term basis. Adapter For 3-Prong Cord Not Grounded To Outlet: On May 27, 1986, two workers were using a 110-volt auger to install tie-down rods for a manufactured home. Study with Quizlet and memorize flashcards containing terms like OSHA's electrical standards are based on: A. ANSI standards B. Using the wrong light bulb wattage; Overloading power strips and outlets; Unprotected electrical outlets; Poor wiring; Defective electrical wires 1. 5>vB35Plm$\4{U[lU`t~.vJGmFO^@+ cGPzNY*oS(m%q{Agp Reportedly, he was shocked throughout the morning, and he had replaced one of the extension cords in an effort to eliminate the shocks. 0000022637 00000 n 4.The amount of current, An electrical burn may affect: Burns. x_HSqnwmky54YLzeStJi# TZObFT*.#BQF/Q 2.Is working properly Question 3: A/an ____________ is a unit of measurement for electrical resistance. As she is adding in the chemicals, her hand touches the motor and it becomes energized. 0000419562 00000 n The \rule{1cm}{1pt} artery carries deoxygenated blood from the heart to the lungs. Question 3: Employers are not required to enforce lock out/tag out practices in the workplaces. hb``b``=p0X8n0lY0L#rK[V26h* @0H!XDl+!&FfUfo`h6l a.Electricity Question 2: Which of the following is NOT a category of electrical burns? )KL3C?e%Y92$,]^)kmR/!8\ JF N'bT\U1+tc+&:'ZuGi!UeUrE [?CrU.&|#@Ed,=2UF]r/n/{v-;v>%/~;[*AxBU,-#!uyFGR,Wv[ cOzObnZfI4ob:pf "~ .iBE@mOs:Os5U9cnU` Vd"F'4Bm?>}hyRQyrX0U026h7#L'. Cardiac arrest or death - A result of electrical shock. De-energizing 3.Draped over equipment. He may have dropped the extension cord at the site and not heard the connector break. You should? 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. d. Match the outlet prongs to the extension cord. b. 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. Does the fall qualify as an electrical accident? A 29-year-old worker was electrocuted when he pushed a crane cable into a 7,200-volt power line. If the insulation on the tool's power cord is damaged and you touch this area while grounded, the electricity will ________. He yelled for his co-workers to disconnect the power, which they did. The victim provided a path to ground and was electrocuted. To avoid injury or death, you must understand and recognize hazards. Electrical Hazards Electrical hazards can be found in nearly every roofing work site. 0000001861 00000 n Electrical hazards like frayed cords, missing ground pins, improper wiring or the harm that these hazards pose. 1.A source of electrical current to flow. As he began to pull away, the crew supervisor yelled to him, asking if the crew could use his water hose to wash out their cement bucket suspended from the crane. 1. Bob is asked to repair some overhead wiring, requiring the use a ladder. Test your knowledge with our electrical safety quiz below. b+t6W' te+.W_{8u7Dt@1c. 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. 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. hbb``b``3N0 endstream endobj 183 0 obj <>/Metadata 28 0 R/Names 184 0 R/Outlines 23 0 R/Pages 27 0 R/StructTreeRoot 30 0 R/Type/Catalog/ViewerPreferences<>>> endobj 184 0 obj <> endobj 185 0 obj <>/ExtGState<>/Font<>/ProcSet[/PDF/Text]/Properties<>>>/Rotate 0/StructParents 0/TrimBox[0.0 0.0 612.0 792.0]/Type/Page>> endobj 186 0 obj <> endobj 187 0 obj <> endobj 188 0 obj <>stream 1.Is firmly connected OSHA: Air Monitoring & Medical Surveillance, WebQuest: Biomes, Ecosystems and Habitats. 0000001896 00000 n A fault occurred, and with no grounding and no GFCI protection, the worker was electrocuted. View Best Practices with Power Lines Quiz OSHA 30.docx from OSHA 30 at Columbia Southern University. b.A fast-acting switch monitoring current flow 0000013999 00000 n Electricity will form a "path" or "loop". <<7628BB2D46738F42B2FC6393656F4718>]>> The victim collapsed into the lake and sank 4-1/2 feet to the bottom. 4.Broken. Find the energy required to raise an electron from the n=4n=4n=4 state to the n=5n=5n=5 state in Li2+\mathrm{Li}^{2+}Li2+ and in hydrogen atom. 0000001814 00000 n OSHA requires the testing of a volt meter after a voltage test on voltage above_____. What was Latoya's first mistake? The source of the shocks -- the saw -- was not replaced. <>>> -If current passes through the body near the heart or brain. a.20,000 volts 4. Electrical Contractors Industry. 0000003603 00000 n d.Alert workers of any water in the area, GFCI is an acronym for: Select the correct answer and then click DONE. 3.Maintaining a safe distance of at least 10 feet from all overhead power lines. 2.Loose bolts 1.Damaged cover or insulation 0000002150 00000 n 0000007694 00000 n 3.ack of ground fault protection. Draw a line from the item on the left that corresponds to the match on the right. he most common shock-related injuries are: -Rubber. 2 0 obj 3.Vapor trailer <<11AC4BACEBCA4B32A885F1120BD3A307>]>> startxref 0 %%EOF 153 0 obj <>stream Electrical hazards are life threatening incidents that could happen due to electricity. One hand drill was not grounded, and the other had no safety plate. The following references aid in recognizing hazards associated with electrical work. a.Standing in water 0000007741 00000 n Additionally, the ground prong was missing and there was no GFCI protection. HWMo#7v#h>6,Z4- <>>> %PDF-1.4 % Quiz Question 9: Conductor insulation must be approved for the ___________ of use? 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. Metal partitions, grill work, and similar metal enclosures around equipment of over 1kV between conductors. 2.Grease a.Extension cords Should Ajay use a GFCI? vpfuI)],s D. Have an ANSI sticker and an expiration date. b.30,000 volts 0000001672 00000 n Both the operator and the victim failed to notice that the boom had contacted a 2,400-volt overhead power line. She finds several available in the shop. Get All Answers to OSHA 30 Construction Final Exam. Select the correct answer and then click DONE. Even when the power system is properly grounded, electrical equipment can instantly change from safe to hazardous because of extreme conditions and rough treatment. gYpV:+ c. Inductive objects Unless you know otherwise, assume that overhead lines are energized. Select the correct answer and then click on DONE. 2. Frames of non-electrically driven elevator cars to which electric conductors are attached. 0000057373 00000 n The auger then fell across the other worker, the 24-year-old victim. What is the output of the program in Exercise 17, if first = 26 and second = 8? _.9u'2G_0 Ue]e"x5|Y Using cords or tools with worn insulation or exposed wires. In 2017, there were over ______________ electrical related violations cited by OSHA in the workplace. 0000422244 00000 n (3,2,1), (5,4,3). d.Adapter, What is a GFCI? Examples Of Electrical Hazards. 0000001116 00000 n using a 30-amp breaker in a system with 15- or 20-amp receptacles. You discover the electrical cord on a drill has been damaged and some of the cord's insulation is missing. 2.Using an aluminum ladder when the possibility exists for contact with electricity. Select the correct answer and then click DONE. 2.Yes, because he is using a portable power tool. uVNSF!UTRQ91uR,6@hCH}]GAlaPh)NeT$iQ89S9|?4wahU ltz9 PH[$I&VX9WG%K~1{u8M:D"+HLEy 3@NR^z!rB^?RyOj;'Lof. 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). 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. b.burns. b) Staples High humidity 0000002122 00000 n One handle has a deadman's switch. a.Conductive objects Intentionally creating a low-resistance path that connects to the earth. Before using the equipment, be sure that the ground wire: When does electricity become hazardous to humans? 1 0 obj Electrical Safety Quiz Electrical safety is an important topic that you and your workers need to know about. OSHA 29 CFR 1910, Subpart P . 4.Must be replaced, Always use a GFCI: H. 1.Clench Using multi-receptacle boxes designed to be. 3. As he removed the forms, he wrapped them with a length of cable called a choker, which was to be attached to a crane.
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which of the following are electrical hazards osha quizlet