which of the following are electrical hazards osha quizlet

When selecting the right extension cord, a good rule of thumb is to match the thickness of the extension cord to the thickness of: Which of the following are conductor of electricity? Before work began, the company safety director made sure that insulated line hoses were placed over sections of the the power line near the jobsite and that a safety clearance zone was marked off for arriving cement trucks. b. High humidity Which of these can be used as insulating live-line tools for electrical protection. 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 . A 29-year-old worker was electrocuted when he pushed a crane cable into a 7,200-volt power line. using a 30-amp breaker in a system with 15- or 20-amp receptacles. startxref 5.Twitch, Electrical shock may result in: Additionally, the ground prong was missing and there was no GFCI protection. 0000007116 00000 n Which of the following part of you body can burn if you come in contact with electricity? 3.Clear Besides personal bodily injury, what other electrical hazards can be found in the workplace? You should? 0000108653 00000 n Is not broken, Question Text: Electrical tools should be grounded with a(n)________. Question 2: Which of the following is NOT a category of electrical burns? 0000010155 00000 n Select the correct answer and then click DONE. 1. xYmo -ER/&@[D,_! True. 0000002195 00000 n (See NFPA 70E-2021 Article 130 and OSHA subpart S part . What is the minimum clearance distance you must maintain from the power lines? Noise, : ________ or heavy perspiration can cause electricity to take an unintended path. A worker was removing a metal antenna when it made electrical contact with a 7200-volt power transmission line. h|UnH}+i-. 0000004444 00000 n 0000108920 00000 n As the victim climbed down a makeshift ladder, he shifted the saw from his right hand to his left, and was shocked. 3.No, because he will not be touching any grounded material when using the tool. 1476 0 obj <>stream a.Shut off power within a fraction of a second 3.Maintaining a safe distance of at least 10 feet from all overhead power lines. Metal partitions, grill work, and similar metal enclosures around equipment of over 1kV between conductors. 0000002150 00000 n 2.Something to transport the electrical current -- A conductor. Which of the following factors determine how severe an electrical injury might be? b.Yes, as it would be too expensive to install more permanent wiring and receptacles. Remove cords from receptacles by pulling on the plugs, not the cords. He plans to use it over a period of at least six months. 2.Loose screws The small electrical current enters his body through his left leg. 2.Using extension cords or electrical tools properly. Select the correct answer and then click DONE. When it completes a circuit through the body. d. 411, You are working with a 10-foot section of a conductive pipe near power lines. Use only extension cords that are marked with a designation code for hard or extra-hard usage. %PDF-1.5 0000000816 00000 n 4. xref d.Water, Other electrical hazards in the workplace include: B. 0000003603 00000 n Select the correct answer and then click DONE. 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. 1.When you are using electricity near water Examples of Equipment That Can Contact Power Lines. 1.Extension cords gYpV:+ Use non-conductive wood or fiberglass ladders when working near power lines. trailer Dust This may damage your equipment and cause employee injuries. Best practices with power lines include: trailer <<11AC4BACEBCA4B32A885F1120BD3A307>]>> startxref 0 %%EOF 153 0 obj <>stream 2. Does the fall qualify as an electrical accident? @*@;z}IAH@3MsgU1Dnf@agLahpCn@&b|-^;b0k*!3VYy,jy%( Z%|\Jg"dRp-Wbz3QJS%k9p_WtZ Test your knowledge with our electrical safety quiz below. 0000004793 00000 n Electricity becomes hazardous when it takes an unintended path to complete the ________. 1.Is faulty View Answer Answer: 600v 4 . c.911 4. Select the correct answer and then click DONE. 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. 0000002386 00000 n Select the correct answer and then click DONE. What was Latoya's first mistake? 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 % 1.Pain 0000007427 00000 n stream -Wood. 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). 0000021516 00000 n 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$]r**-I!o66PqK.z "*D De-energizing 0000008392 00000 n 3. 0000005050 00000 n As a result, the ground prong of the welder plug did not insert into the ground terminal of the cord, so that as soon as a connection was made, the outside metal case of the welder became energized, electrocuting the victim. Which group would be more accurate when used in an accelerating spaceship? 4.Damaged cover or insulation, When using electric-powered hand tools, do not overload: Explain the purpose and use of the MyPlate symbol. One handle has a deadman's switch. 0000009628 00000 n a.Extension cords Explosion. Co-workers provided CPR, but were unable to revive the victim. endobj Study with Quizlet and memorize flashcards containing terms like OSHA's electrical standards are based on: A. ANSI standards B. 3. 0000004273 00000 n The contact lasts for 5 seconds before someone is able to shut off the power. Electricity must follow an uninterrupted loop from the power source to the equipment and back to the power source or ________. b.811 2.Is working properly -Conductor= permits the free flow of electricity. 5>vB35Plm$\4{U[lU`t~.vJGmFO^@+ cGPzNY*oS(m%q{Agp . a.Conductive objects No GFCI's were used. The first worker knocked the auger off the victim, but saw that the electric cord was wrapped around the victim's thigh. 0000421627 00000 n 0000007464 00000 n 0000002385 00000 n 0000003413 00000 n 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 Should he use an extension cord to power it? Electrical current travels through insulated ________. Freeze )KL3C?e%Y92$,]^)kmR/!8\ JF N'bT\U1+tc+&:'ZuGi!UeUrE [?CrU.&|#@Ed,=2UF]r/n/{v-;v>%/~;[*AxBU,-#!uyFGR,Wv[ cOzObnZfI4ob:pf "~ .iBE@mOs:Os5U9cnU` Vd"F'4Bm?>}hyRQyrX0U026h7#L'. Intentionally creating a low-resistance path that connects to the earth. (a) Describe the reaction between the hydride ion and water in terms of a Bronsted acid-base reaction. As he is working on the wiring, he receives an electrical shock that knocks him backward and causes him to fall off the ladder. Wearing a baseball cap 1.A source of electrical current to flow. Call ________ prior to digging to be connected with your local One Call Center to have all underground lines located by the utility company. Select the correct answer and then click DONE. q>NmnLNmb$"Iyx1bD9.~Ll. If the insulation on the tool's power cord is damaged and you touch this area while grounded, the electricity will ________. Extension cords had poor splices, no grounds, and reversed polarity. Using the wrong light bulb wattage; Overloading power strips and outlets; Unprotected electrical outlets; Poor wiring; Defective electrical wires 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: The ground wire was not attached on the male end of the cord's plug. Question 3: Employers are not required to enforce lock out/tag out practices in the workplaces. A measure of the energy of motion of the particles in a substance is its _____. [Flexible Cords and Power Tools]. Question 4: When a worker receives an electric shock, first aid must start within ___________ minutes. Question 4: Which of the following is a type of burn caused by electrical hazards? Use only extension cords that are 3-wire type. B. outdoors. How will she choose the correct cord? Remove from service any equipment with frayed cords, missing ground prongs, cracked tool casings, etc. How fast would the ball be moving at the moment of release? 0000421920 00000 n A fault occurred, and with no grounding and no GFCI protection, the worker was electrocuted. endobj b.The tool's power cord. 2.Grounding He may have dropped the extension cord at the site and not heard the connector break. <>>> Should Ajay use a GFCI? c.Three-prong plug Burns. -Damage to internal organs. Question 1: Each year, approximately __________ workers suffer from electricity related injuries. -Falls. This is action is also known as creating or completing an electrical circuit. When inspecting extension cords, look for: Potential hazards of electricity are preventable if you do which of the following listed below? The victim provided a path to ground and was electrocuted. Draw a line from the item on the left that corresponds to the match on the right. OSHA will keep all identities confidential. -Severe skin burns. Do not remove ground prongs from cord- and plug-connected equipment or extension cords. OSHA 29 CFR 1910, Subpart S . 0000006893 00000 n Electrical safety quiz answers are given below. b.burns. a.Standing in water 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. 0000010603 00000 n Short Confined spaces Machinery-related hazards (lockout/tagout, boiler safety, forklifts, etc.) ZR)!=w|; @uT C0? 1.Missing d.Metal, Over half of all deaths caused by electricity result from contact with ________. OSHA Pros, LLC is an authorized provider of 360 Training, an OSHA-Accepted Provider, offering training and certification courses for NFPA 70E-Standard, and 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. The length of time the body is in the circuit, in contact with electricity - Factor determining the severity of an electrical . d.Alert workers of any water in the area, GFCI is an acronym for: -Current= the movement of electrical charge. Electrical hazards like frayed cords, missing ground pins, improper wiring or the harm that these hazards pose. 1. 3.The length of time the body is in contact with electricity Use only equipment that is approved to meet OSHA standards. 0000005632 00000 n 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).

which of the following are electrical hazards osha quizlet 2023