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. Extension cords had poor splices, no grounds, and reversed polarity. (See NFPA 70E-2021 Article 130 and OSHA subpart S part 1910.333 (a) (1)- (2) and (c) for complete details.) 0000028595 00000 n 0000003413 00000 n Which of the following factors determine how severe an electrical injury might be? C. near water. 0000004965 00000 n gYpV:+ 1.Damaged cover or insulation Arc Flash. hazard or that their employer is not following OSHA's rules. The normal wear and tear on extension and flexible cords at your site can loosen or expose wires, creating hazardous conditions. One hand drill was not grounded, and the other had no safety plate. 12 months C. 6 months D. Never Q23. d. Match the outlet prongs to the extension cord. endobj What is the most common, non-fatal, electrical shock-related injury? No GFCI's were used. 3.Loss of eyesight 4.Must be replaced, Always use a GFCI: 4.Damaged cover or insulation, When using electric-powered hand tools, do not overload: 1 0 obj c.Absorb any water around the area Is not broken, Question Text: Electrical tools should be grounded with a(n)________. Select the correct answer and then click DONE. specifically addresses electrical protective devices. 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 3.Draped over equipment. Select the correct answer and then click DONE. In which of the following workplace situations are you at risk for coming into contact with live electrical . b. 3.Loose nuts Quiz Question 5: A/an ___________ is a unit of measurement for electrical resistance. 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. 0000005042 00000 n 0000003900 00000 n 1. 1452 0 obj <> endobj What is the output of the program in Exercise 17, if first = 26 and second = 8? 0000002122 00000 n As he is working on the wiring, he receives an electrical shock that knocks him backward and causes him to fall off the ladder. Among all of the safety measures that can and should be used to prevent electrical shock, which one is the most essential? OSHA Pros, LLC is an authorized provider of 360 Training, an OSHA-Accepted Provider, offering training and certification courses for NFPA 70E-Standard, and When an electric shock occurs, your muscles may: Which of the following are caused by contact with electricity? Wearing a baseball cap Draw a line from the item on the left that corresponds to the match on the right. To be safe, you must think about your job and plan for hazards. c) Establish and enact an assured equipment grounding conductor program (AEGCP) 182 0 obj <> endobj xref 182 41 0000000016 00000 n OSHA 10 - Electrical Flashcards | Quizlet Electrical Safety Multiple Choice Questions and Answers for competitive exams. a. stream Safe operation of hand and portable powered tools and other hand-held equipment. Electrical Safety Quiz Electrical safety is an important topic that you and your workers need to know about. CCOHS: Electrical Safety - Basic Information . 4.Circuit breakers, When inspecting power tools, look for: 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: SCENARIO: You encounter a co-worker on a residential remodeling job. Ajay needs to use a dewatering pump to drain standing water on a construction site. OSHA requires the testing of a volt meter after a voltage test on voltage above_____. Unless you know otherwise, assume that overhead lines are energized. [, Use all equipment according to the manufacturer's instructions. Hand-operated metal shifting ropes or cables of electric elevators. Intentionally creating a low-resistance path that connects to the earth. 128 0 obj <> endobj xref 128 26 0000000016 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. b.Yes, as it would be too expensive to install more permanent wiring and receptacles. Explosion. Apply a warning tag to any defective tool and do not use it until the problem has been corrected. 0000002385 00000 n a) Ensure overhead power line safety (D) None of the above. OSHA: Common Electrical Hazards Flashcards | Quizlet 0000003603 00000 n PDF C. 0000004793 00000 n d.Add more outlets. Osha 10 test answers 2021 quizlet - Math Questions 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 The victim provided a path to ground and was electrocuted. Switch The length of time the body is in the circuit, in contact with electricity - Factor determining the severity of an electrical . The floor is covered in water and she is barefoot. Look for overhead power lines and buried power line indicators. 0000003640 00000 n 0000068035 00000 n The presence of ______ can turn you, your equipment, or insulators like wood, into conductors. . Select the correct answer and then click DONE. Continually audit cords on-site. Using a dry wood ladder when the possibility exists for contact with electricity. 1.Is firmly connected Select the correct answer and then click DONE. 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. Freeze 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. d.Ground Fault Circuit Interrupter, : Another electrical hazard that can cause injury or death in the workplace is a ________ path to ground. 0000002403 00000 n As the victim climbed down a makeshift ladder, he shifted the saw from his right hand to his left, and was shocked. 2.Complete [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. 3. Best Practices with Power Lines 1. 0000008392 00000 n d.Adapter, What is a GFCI? Which of the following can be the result of electric shock? 3. 0000000816 00000 n The plug of the compressor and an extension cord had been modified to fit a wall outlet for a common household clothes dryer (220 V). d. 411, You are working with a 10-foot section of a conductive pipe near power lines. The victim was part of a crew that was constructing a concrete wall. xYmo -ER/&@[D,_! 0000021516 00000 n -Voltage= a measure of electrical force. Quiz: Electrical Hazards. Attaching ungrounded, two-prong adapter plugs to three-prong cords and tools. Electricity to the auger was supplied by a series of 50-foot extension cords running to an adjacent property. The victim collapsed into the lake and sank 4-1/2 feet to the bottom. %PDF-1.4 % Of the following choices, which are frequent electrical hazards What three things must be present for a current to flow through a conductor. 1.Fingernails 1.Missing or broken path to ground. 4.Organs, The presence of ________ can turn you, your equipment, or insulators like wood into conductors. 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. 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. Ground all exposed metal parts of equipment. Select the correct answer and then click DONE. If the insulation on the tool's power cord is damaged and you touch this area while grounded, the electricity will ________. Examples of Equipment That Can Contact Power Lines. Using cords or tools with worn insulation or exposed wires. 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. Draw a line from the item on the left that corresponds to the match on the right. Fire 1.Clench 0000001731 00000 n As he removed the forms, he wrapped them with a length of cable called a choker, which was to be attached to a crane. c.Wood _.9u'2G_0 Ue]e"x5|Y 0000003715 00000 n PDF Electrical Hazards - Occupational Safety and Health Administration 2 0 obj trailer <<11AC4BACEBCA4B32A885F1120BD3A307>]>> startxref 0 %%EOF 153 0 obj <>stream 1476 0 obj <>stream Post warning signs. Use only cords, connection devices, and fittings that are equipped with strain relief. lex has set up a mobile engine testing station in the maintenance area. 1. s\A0W+ % Question 3: Employers are not required to enforce lock out/tag out practices in the workplaces. Which of the following are insulators of electricity? Remove from service any equipment with frayed cords, missing ground prongs, cracked tool casings, etc. Improper Use of Extension and Flexible Cords. The first worker knocked the auger off the victim, but saw that the electric cord was wrapped around the victim's thigh. 1.A source of electrical current to flow. 0000057373 00000 n 0000003254 00000 n a.Standing in water b.burns. 4. Death is probable. 4 0 obj 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. startxref 0000422244 00000 n BIOLOGICAL HAZARDS: term effects) and strain (longAssociated with working with animals, people, or infectious plant materials. c.A measurement of electricity 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. Determine duration, frequency, degree of exposure to hazards and physical stress. trailer <]/Prev 500768/XRefStm 1495>> startxref 0 %%EOF 222 0 obj <>stream -Falls. The auger has a one-quarter horsepower motor encased in a metal housing with two handles. When does electricity become hazardous to humans? View Best Practices with Power Lines Quiz OSHA 30.docx from OSHA 30 at Columbia Southern University. 1) The _____ created the Occupational Safety and Health Administration (OSHA) to set and enforce protective workplace safety and health standards. 0000007464 00000 n 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 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). D. Communicate the hazard to the crew and subs, use signs and bar E. Both C and D Q22. 1. The router's 3-wire power cord was spliced to a 2-wire cord and plug set which was not rated for hard service. %%EOF 3.No, because he will not be touching any grounded material when using the tool. c) Age OSHA: How Electricity Works Flashcards | Quizlet 30 days B. Select the correct answer and then click DONE. Best practices with power lines include: 2. 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. Underground electrical hazards are: A. Besides personal bodily injury, what other electrical hazards can be found in the workplace? 4 0 obj 0000002150 00000 n 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. The following are electrical hazards: Shock. (b) The same reaction can also be classified as a redox reaction. Explain the purpose and use of the MyPlate symbol. Find the volume of the parallelepiped determined by the vertices (1,1,1),(4,7,2) . Select the correct answer and then click DONE. A Safety Electrical One Line Diagram should be used to _____ all sources of electrical energy. =EAn`u!d, |\~Y>ZF( dnLN\2vP6 >sSjgh2:Lmqx#a[G2{h$zW]_:@Lvr)2T:R-/ `&~O4j)>1P*M 5>F:1B.g!AR Electricity must follow an uninterrupted loop from the power source to the equipment and back to the power source or ________.
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