which of the following are electrical hazards osha quizlet which of the following are electrical hazards osha quizlet

0000001604 00000 n 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. OSHA: How Electricity Works Flashcards | Quizlet It's okay to use extension cords with worn insulation, as . Is the west coast of Africa a plate boundary? 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. 0000015549 00000 n d/E \VZvl$Y#nH,EIm /\"BQ>Rkl6xZWtAgfs True. Electrical hazards like frayed cords, missing ground pins, improper wiring or the harm that these hazards pose. NFPA 70E defines those special circumstances and sets rigid electrical safety limits on voltage exposures, work zone boundary requirements and necessary personal protective equipment (PPE). H\n0)M) 0Ir(,?FoKhdklz6zHG;mOqOh-tv.]NGv~d.m\S{|Fo-x-\"1X/niCYeq"ol8D~&?Kr V_/9yf 9JV%J899s{_G#R0="dL5,p: Suppose a volcano threw so much ash into the air that it blocked much of the sunlight. OSHA 30 Module 6: Personal Protective Equipme, OSHA 30 - Module 16: Recordkeeping & Reporting, OSHA 30 - Module 18: Safety and Health Progra, OSHA 30 - Module 11: Welding, Cutting and Bra, CRJ 200 Limitations (Official-ish) - MODDED (, SERE 100.2 Level A SERE (J3TA-US1329) (Civili, Fundamentals of Engineering Economic Analysis, David Besanko, Mark Shanley, Scott Schaefer, E. Russell Johnston, Ferdinand Beer, Phillip Cornwell. Noise, : ________ or heavy perspiration can cause electricity to take an unintended path. Which one of these methods MOST effectively protects machines, tools, and operators against damage from electrical current? Some of the causes of these are live wire s that may be lying around, overloaded circuits, explosions that are caused by flammable objects, etc. 0000002122 00000 n Use non-conductive wood or fiberglass ladders when working near power lines. 0000007741 00000 n d.A power tool, A GFCI is designed to: 0000003900 00000 n Examples of Equipment That Can Contact Power Lines. qnde>9!.,T2 :hw5 #OaPxkx=y7]J-yv*'H$jmVCq$ sx:R2$9SY+D!!LJ:n+.\#Hu~2VI O? 2.Yes, because he is using a portable power tool. One handle has a deadman's switch. 0000004921 00000 n In 2017, there were over ______________ electrical related violations cited by OSHA in the workplace. . b. d. No, because an extension cord would not provide enough power. 0000004273 00000 n c.A measurement of electricity What are the 4 main type of hazards? [Ultimate Guide!] Electrical Contractors Industry. -Rubber. A 29-year-old worker was electrocuted when he pushed a crane cable into a 7,200-volt power line. 0000055319 00000 n Ground metal parts of the following non-electrical equipment, as specified by the OSHA standard [, Frames and tracks of electrically operated. Question 3: A/an ____________ is a unit of measurement for electrical resistance. B. Wearing a baseball cap c.911 4 0 obj 0000003771 00000 n When used on the moon? d. 411, You are working with a 10-foot section of a conductive pipe near power lines. 0000108653 00000 n Then answer the questions below. a.Two-prong plug *Effects are for voltages less than about 600 volts. 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: c. Match the color of the tool to the color of the extension cord. You discover the electrical cord on a drill has been damaged and some of the cord's insulation is missing. hb``b``=p0X8n0lY0L#rK[V26h* @0H!XDl+!&FfUfo`h6l <>>> Protection is lost because it will not trip when the system's load has been exceeded. When he grasped the handle of the bucket to pull it down, the crane cable came into contact with the overhead line. When current travels through your body - Definition of electric shock. Cardiac arrest or death - A result of electrical shock. a) Ensure overhead power line safety b. OSHA 30 Construction Final Test Answer Key - Studylib -Voltage= a measure of electrical force. BIOLOGICAL HAZARDS: term effects) and strain (longAssociated with working with animals, people, or infectious plant materials. 1452 0 obj <> endobj SECTION #4 | Participant Guide 2 Electrical Safety mELECTRICAL SAFETYm mACTIVITY 1 - GROUNDINGm In your small group, read fact sheets A and B, and the following scenario. Isolating, Power lines may be located underground. 0000001116 00000 n Use only extension cords that are marked with a designation code for hard or extra-hard usage. Besides personal bodily injury, what other electrical hazards can be found in the workplace? 2.Using an aluminum ladder when the possibility exists for contact with electricity. A laborer carried a piece of wire reinforcement (10 feet long by 8 inches wide) along the top section of the scaffold and contacted the power line with it. d.Adapter, What is a GFCI? Explain the process that prevents the poles from steadily cooling off and the tropics from heating up over time. 1,[-c|"&u[Fu>wjte8j:xRk )"m_!6awT J,byp?fRBf?p|b3/Um\7"|+@5vvWAa5J^y*q,l b)Ftt4 :4,-J`! The victim signaled the operator of the crane to extend the boom and lower the hoist cable. How might this event affect the ability of animals to obtain energy to live? b.Shut off power within five minutes of the imbalance Hazards are created when cords, cord connectors, receptacles, and cord- and plug connected equipment are improperly used and maintained. Others, such as office workers and sales people, work with electricity indirectly and may also be exposed to electrical hazards. The NEC C. Suggestions Flexible Cord Not 3-Wire, Hard Service Variety: A worker received a fatal shock when he was cutting drywall with a metal casing router. 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. Deductive objects Get All Answers to OSHA 30 Construction Final Exam. Match the length from job to outlet. If you are touching any grounded material while using a power tool a.311 %PDF-1.4 % 0000004793 00000 n Ground all exposed metal parts of equipment. Use only cords, connection devices, and fittings that are equipped with strain relief. 2.Loose screws 2.Grounding 0000002876 00000 n Select the correct answer and then click DONE. Quiz Question 10: Ground-fault circuit interrupters must be used for all of the following except? 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. Visually inspect all electrical equipment before use. In which of the following workplace situations are you at risk for coming into contact with live electrical . c.15 feet <> Short Confined spaces Machinery-related hazards (lockout/tagout, boiler safety, forklifts, etc.) Best practices with power lines include: Draw a line from the item on the left that corresponds to the match on the right. 2.Placed along a wall. 0000422244 00000 n c.Power lines Carly needs to use an extension cord with her corded nail gun. Do not remove ground prongs from cord- and plug-connected equipment or extension cords. xYmo -ER/&@[D,_! Latoya is using a mixing motor to mix pool chemicals in a plastic drum. OSHA requires the testing of a volt meter after a voltage test on voltage above_____. -Current= the movement of electrical charge. 0000007116 00000 n 2.Complete You need to evaluate the situation you are in and assess your . 0000005406 00000 n 4.The amount of current, An electrical burn may affect: 4 0 obj Dust 0000013999 00000 n In addition to contact with power lines, the top electrical hazards include: 0000003413 00000 n H\n@0vj@/R#tnvihavopnS1>v8Z6zLpOCRU.O^6pImjgk{xv6%zp\,{|7_WqNfhu09$U?kW}: }y}]OIL5~W*8D~%W-yww;sORYbfspA.%YJV L%=Kx&0W+ 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. 0000110659 00000 n Which of the following can be the result of electric shock? 0000004884 00000 n 128 0 obj <> endobj xref 128 26 0000000016 00000 n Easy to identify 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? c.falls. 0000004946 00000 n 3.Vapor He yelled for his co-workers to disconnect the power, which they did. Follow manufacturers' recommended testing procedure to insure GFCI is working correctly. Use the terms (freezing, gas, liquid, physical changes, solubility, solution, temperature, volume) to complete the sentence. Is not painted over 0000421627 00000 n B. outdoors. Be sure equipment that has been shop fabricated or altered is in compliance. 0000022637 00000 n 0000068035 00000 n gYpV:+ Using circuit breakers or fuses with the wrong rating for over-current protection, e.g. Use only extension cords that are 3-wire type. using a 30-amp breaker in a system with 15- or 20-amp receptacles. specifically addresses electrical protective devices. Muscular contraction and nerve damage occur; death likely. c.Wood The floor is covered in water and she is barefoot. 0000001672 00000 n 1.The humidity of the environment (E) a, b, and c. 2. Lockout/tagout procedures. What was Latoya's first mistake? 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 Select the correct answer and then click DONE. Use only equipment that is approved to meet OSHA standards.