Cardiac arrest or death - A result of electrical shock. Study with Quizlet and memorize flashcards containing terms like OSHA's electrical standards are based on: A. ANSI standards B. The factors that determine the severity of an electrical injury include: Using tools and equipment that can contact power lines increases the risk. 0000002479 00000 n c.A measurement of electricity c) Establish and enact an assured equipment grounding conductor program (AEGCP) 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 0000004946 00000 n 10,000 milliamps (10 amps) Cardiac arrest and severe burns occur. Electrical Hazards Electrical hazards can be found in nearly every roofing work site. On the day of the incident, the victim plugged in a damaged extension cord and laid it out towards the bulkhead. 0000012360 00000 n Apply a warning tag to any defective tool and do not use it until the problem has been corrected. Extension cords had poor splices, no grounds, and reversed polarity. 0000001495 00000 n b.Ground Fault Critical Interrupter When an electric shock occurs, your muscles may: 3.ack of ground fault protection. xYmo -ER/&@[D,_! c. Inductive objects Work performed on an electrical system within reaching distance of energized components is_____work. 0000001646 00000 n Most of the hydrides of Group 1A and Group 2A metals are ionic. b.Yes, because Bob was on . 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. Regarding hand protection employers should: A. b.A fast-acting switch monitoring current flow Using circuit breakers or fuses with the wrong rating for over-current protection, e.g. 0000015549 00000 n Among all of the safety measures that can and should be used to prevent electrical shock, which one is the most essential? 5>vB35Plm$\4{U[lU`t~.vJGmFO^@+ cGPzNY*oS(m%q{Agp a) Door or window edges Many workers are unaware of the potential electrical hazards present in their work environment, which makes them more vulnerable to the danger of electrocution. Should Ajay use a GFCI? Protection is lost because it will not trip when the system's load has been exceeded. A measure of the energy of motion of the particles in a substance is its _____. Easy to identify 0000011060 00000 n An 18-year-old worker at a construction site was electrocuted when he touched a light fixture while descending from a scaffold for his afternoon break. _.9u'2G_0 Ue]e"x5|Y 1 0 obj )KL3C?e%Y92$,]^)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'. 1.Missing or broken path to ground. [Flexible Cords and Power Tools]. Continually audit cords on-site. 0000021516 00000 n True. 3. 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? 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 d.Ground Fault Circuit Interrupter, : Another electrical hazard that can cause injury or death in the workplace is a ________ path to ground. -Rubber. Question 1: Each year, approximately __________ workers suffer from electricity related injuries. !DP#vr-\DM<6V-2'I5l6)Z@^m=}c3-aUOo6rr V-Y3d6HABmjD $TQCvK*eg&|Y596#H\ -If current passes through the body near the heart or brain. s\A0W+GA?~G?nnnnnnnnnnnn>>{Wrbrbrbrb sbZef'N(:QvD":1vbo7o7o7W*_bTs6ivyU,;dFW` { endstream endobj 191 0 obj [/ICCBased 211 0 R] endobj 192 0 obj <> endobj 193 0 obj <> endobj 194 0 obj <> endobj 195 0 obj <> endobj 196 0 obj <>stream How might this event affect the ability of animals to obtain energy to live? Use non-conductive wood or fiberglass ladders when working near power lines. Using a dry wood ladder when the possibility exists for contact with electricity. 0000003900 00000 n Use only cords, connection devices, and fittings that are equipped with strain relief. 0000421920 00000 n The workers administered CPR to the victim, but to no avail. b. The insulation on the extension cord was cut through and exposed bare, energized conductors which made contact with the ladder. If you are touching any grounded material while using a power tool d) All of the above. b) Staples b.Match the thickness of the extension cord to the thickness of the nail gun's power cord. The victim signaled the operator of the crane to extend the boom and lower the hoist cable. 0000419562 00000 n Overview. 0000414648 00000 n 0000003603 00000 n Know glove capability VS hazard anticipated (exposure to chemicals, heat, or flames). The \rule{1cm}{1pt} artery carries deoxygenated blood from the heart to the lungs. 4.Running through doorways. He yelled for his co-workers to disconnect the power, which they did. If the power supply to the electrical equipment at your site is not grounded or the path has been broken, fault current may travel through a worker's body, causing electrical burns or death. 0000001116 00000 n Electricity to the auger was supplied by a series of 50-foot extension cords running to an adjacent property. If a worker has been retaliated against for using their rights, they 1452 0 obj <> endobj 0000007116 00000 n 0000002557 00000 n D 600v. What do tripped circuit breakers and blown fuses indicate? Select the correct answer and then click DONE. High humidity What is the primary purpose of properly grounding equipment? Frequently inspect electrical systems to insure that the path to ground is continuous. 2.The person's physical condition xref Outlets Of the following choices, which are frequent electrical hazards Best practices with power lines include: Water True. Underground electrical hazards are: A. What factors determine the severity of Dirk's injuries? 0000007694 00000 n . You need to evaluate the situation you are in and assess your . Question 2: It's okay to use extension cords with worn insulation, as long as you are careful about it. 2.Yes, because he is using a portable power tool. Electrocution was the second leading cause of worker deaths on construction sites in the United States in 2011. Using the wrong light bulb wattage; Overloading power strips and outlets; Unprotected electrical outlets; Poor wiring; Defective electrical wires Lx*jWP# /c2)|]NXqAx>=~'[ -Glass. 0000004274 00000 n Switch trailer <<11AC4BACEBCA4B32A885F1120BD3A307>]>> startxref 0 %%EOF 153 0 obj <>stream a.Yes, as it is a mobile engine testing station. Quiz Question 10: Ground-fault circuit interrupters must be used for all of the following except? The ________ keeps the electricity on its intended path through the conductor. 0000003715 00000 n Unless you know otherwise, assume that overhead lines are energized. Electrocution. After the wall was poured, one driver cleaned the loading chute of his cement truck with a water hose mounted on the truck. 4,600. Call ________ prior to digging to be connected with your local One Call Center to have all underground lines located by the utility company. h|UnH}+i-. Which of the following injuries can occur when muscles flex or twitch from an electrical shock? 0000002876 00000 n Electrical safety requirements necessary for the practical safeguarding of employees in the workplace. 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. Computers a.Electricity 12 months C. 6 months D. Never Q23. As the victim climbed down a makeshift ladder, he shifted the saw from his right hand to his left, and was shocked. Get resources on specific hazards and their control, including identification, risk assessment and inspections, to keep your workplace healthy and safe. c.40,000 volts <> 2.Flooding %PDF-1.4 % startxref 3.Loss of eyesight Carly needs to use an extension cord with her corded nail gun. 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. Question 4: Which of the following is a type of burn caused by electrical hazards? What three things must be present for a current to flow through a conductor. ( 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. gYpV:+ 3.Clear a.Shut off power within a fraction of a second Exercise their rights under the law without retaliation, including reporting an injury or raising health and safety concerns with their employer or OSHA. Looking for NFPA 70E Certification? 0000421627 00000 n De-energize and ground lines when working near them. Question 3: A/an ____________ is a unit of measurement for electrical resistance. Overhead and buried power lines at your site are especially hazardous because they carry extremely high voltage. 0000000816 00000 n Which of the following are insulators 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. While attempting to unplug the compressor from the extension cord, the employee was fatally shocked. Potential hazards of electricity are preventable if you: Electricity must always travel in a(n) ________, ________ circuit. 2. d.50,000 volts. -Severe skin burns. endobj Take any defective equipment out of service. 0000002150 00000 n A 29-year-old worker was electrocuted when he pushed a crane cable into a 7,200-volt power line. c. No, because the electricity is needed on a long-term basis. 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) Ensure overhead power line safety b.The tool's power cord. a.Standing in water