which of the following are electrical hazards osha quizlet

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 d. 20 feet. % <> @*@;z}IAH@3MsgU1Dnf@agLahpCn@&b|-^;b0k*!3VYy,jy%( Z%|\Jg"dRp-Wbz3QJS%k9p_WtZ A fault occurred, and with no grounding and no GFCI protection, the worker was electrocuted. The normal wear and tear on extension and flexible cords at your site can loosen or expose wires, creating hazardous conditions. Using equipment outdoors that is labeled for use only in dry, indoor locations. Reportedly, he was shocked throughout the morning, and he had replaced one of the extension cords in an effort to eliminate the shocks. De-energizing When used on the moon? 0000420277 00000 n D. Communicate the hazard to the crew and subs, use signs and bar E. Both C and D Q22. What is the most common, non-fatal, electrical shock-related injury? 1.The humidity of the environment 0000015549 00000 n When current travels through your body - Definition of electric shock, Choose the primary cause of an electric shock, Electric shock is caused when current travels through the body, the exits the ground. 2.Flooding Before using the equipment, be sure that the ground wire: 2. The victim was totally deaf in one ear and suffered diminished hearing in the other. 3. 0000001116 00000 n c. No, because the electricity is needed on a long-term basis. b.Yes, because Bob was on . D. near other electrical equipment. Gloves used for electrical work must be inspected and tested prior to use, and be certified every: A. endobj 1 0 obj 0000057373 00000 n 4. Metal partitions, grill work, and similar metal enclosures around equipment of over 1kV between conductors. Find the volume of the parallelepiped determined by the vertices (1,1,1),(4,7,2) . Question 1: Which of the following is a danger of electricity? 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. -Glass. 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) 120v . OSHA 29 CFR 1910, Subpart P . 1. Death is probable. Two of the extension cords had no ground prongs, and some of them were repaired with electrical tape. <> When the energized conductor made contact with the ladder, the path to ground included the worker's body, resulting in death. b. Deductive objects [, Use all equipment according to the manufacturer's instructions. Is the west coast of Africa a plate boundary? She has an older drill with a steel housing and a 3-prong plug. 2. An employee was texturing a wall using an air compressor. If the electrical conductors become exposed, there is a danger of shocks, burns, or fire. When it completes a circuit through the body. 0000414648 00000 n The most dangerous place to use electrical equipment is? Electrical hazards expose workers to the following: Burns: Three types; electrical, arc flash, or thermal contact. What is the primary purpose of properly grounding equipment? The victim used two extension cords to supply power: a home-made cord plugged into an ungrounded receptacle on the pole, and a UL-approved cord extending from the homemade cord to the saw. Intentionally creating a low-resistance path that connects to the earth. Fire D. Have an ANSI sticker and an expiration date. Quiz: Electrical Hazards. Best Practices with Power Lines 1. d.Add more outlets. startxref 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. xb```VVF A10p,``Pp`hhdpn``r`L:[ I,aZ4Knj21 `ny; Ge7t@OrMx)"cx&e:[~J%aUJ\*t % The NEC C. Suggestions a.20,000 volts The light fixture, which served as a ground, was known to be faulty for at least 5 months before the incident. Safe operation of hand and portable powered tools and other hand-held equipment. Stay at least 10 feet away from overhead power lines. High humidity 2. 2. [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. 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 0000006866 00000 n c.Absorb any water around the area Equipment used in manner prescribed. Determine duration, frequency, degree of exposure to hazards and physical stress. 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). Looking for NFPA 70E Certification? Select the correct answer and then click DONE. 4.The amount of current, An electrical burn may affect: Select the correct answer and then click on DONE. c.911 -Rubber. 4.Broken. The auger has a one-quarter horsepower motor encased in a metal housing with two handles. 2.Skin 0000001861 00000 n Take any defective equipment out of service. 0000006893 00000 n Then answer the questions below. hb``b``=p0X8n0lY0L#rK[V26h* @0H!XDl+!&FfUfo`h6l On the day of the incident, the victim plugged in a damaged extension cord and laid it out towards the bulkhead. While attempting to unplug the compressor from the extension cord, the employee was fatally shocked. d. 411, You are working with a 10-foot section of a conductive pipe near power lines. d.50,000 volts. c.Guaranteed Fault Circuit Interrupter 0000110659 00000 n b) By supplying GFCIs, or ground-fault circuit interrupters 0000108653 00000 n 5. C. near water. Which of the following factors determine how severe an electrical injury might be? The following are electrical hazards: Shock. b.Match the thickness of the extension cord to the thickness of the nail gun's power cord. How fast would the ball be moving at the moment of release? 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. 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. Select the correct answer and then click DONE. When the victim reached down to connect the choker to the hoist cable, he suddenly collapsed. g]+fn_m{mja_0Y w endstream endobj 189 0 obj <> endobj 190 0 obj <>stream [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. 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. 3.ack of ground fault protection. 0000022637 00000 n 128 0 obj <> endobj xref 128 26 0000000016 00000 n b.30,000 volts A co-worker disconnected the power cord to the saw, too late to save the victim. Potential hazards of electricity are preventable if you do which of the following listed below? HWMo#7v#h>6,Z4- Ajay needs to use a dewatering pump to drain standing water on a construction site. A 120v. a.Conductive objects uVNSF!UTRQ91uR,6@hCH}]GAlaPh)NeT$iQ89S9|?4wahU ltz9 PH[$I&VX9WG%K~1{u8M:D"+HLEy 3@NR^z!rB^?RyOj;'Lof. . 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. %PDF-1.4 % Latoya is using a mixing motor to mix pool chemicals in a plastic drum. Examples Of Electrical Hazards. 4.On equipment that must run unattended for long periods of time, Manufacturing equipment may be grounded using a wire connected to a rod driven into the earth. H. 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. OSHA requires the testing of a volt meter after a voltage test on voltage above_____. 0000003715 00000 n Cardiac arrest or death - A result of electrical shock. 0000419562 00000 n (b) The same reaction can also be classified as a redox reaction. 3.Body tissue You need to evaluate the situation you are in and assess your . gYpV:+ 1. Muscular contraction and nerve damage occur; death likely. Hazards are created when cords, cord connectors, receptacles, and cord- and plug connected equipment are improperly used and maintained. The floor is covered in water and she is barefoot. d) All of the above. Supply power for tools or equipment on a long-term basis. Engineers, electricians, and other professionals work with electricity directly, including working on overhead lines, cable harnesses, and circuit assemblies. Water hazard or that their employer is not following OSHA's rules. Electrical hazards like frayed cords, missing ground pins, improper wiring or the harm that these hazards pose. True. As he is working on the wiring, he receives an electrical shock that knocks him backward and causes him to fall off the ladder. <>/ExtGState<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> b.Not wearing insulating shoes or boots when she was handling electrical equipment 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 0000012944 00000 n Using multi-receptacle boxes designed to be. BE SAFE! As she is adding in the chemicals, her hand touches the motor and it becomes energized. c.Gasoline trailer <]/Prev 500768/XRefStm 1495>> startxref 0 %%EOF 222 0 obj <>stream 3 0 obj Post warning signs. b.burns. Select the correct answer and then click DONE. 1. 1.When you are using electricity near water 2.Loose bolts Hand-operated metal shifting ropes or cables of electric elevators. Quiz Question 5: A/an ___________ is a unit of measurement for electrical resistance. *Effects are for voltages less than about 600 volts. The scaffold had been constructed only 21 horizontal inches across from a 7,620-volt power line. d) All of the above. Other protective measures include guarding or insulating the lines. Lx*jWP# /c2)|]NXqAx>=~'[ 0000004686 00000 n 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. Use only cords, connection devices, and fittings that are equipped with strain relief. 2.Yes, because he is using a portable power tool. Besides personal bodily injury, what other electrical hazards can be found in the workplace? 0000017163 00000 n B. 1.Is faulty 0000007116 00000 n 2.Using extension cords or electrical tools properly. Underground electrical hazards are: A. 3.Clear The individual's perspiration-soaked clothing/body contacted bare exposed conductors on one of the cords, causing an electrocution. 0000007694 00000 n Question 3: A/an ____________ is a unit of measurement for electrical resistance. b.A fast-acting switch monitoring current flow In addition to contact with power lines, the top electrical hazards include: lex has set up a mobile engine testing station in the maintenance area. Which of the following are insulators of electricity? Electrical Hazards Electrical hazards can be found in nearly every roofing work site. Ground metal parts of the following non-electrical equipment, as specified by the OSHA standard [29 CFR 1926.404(f)(7)(v)]: Frames and tracks of electrically operated cranes. The factors that determine the severity of an electrical injury include:

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