Which of the following part of you body can burn if you come in contact with electricity? b. 2.Grease Hand-operated metal shifting ropes or cables of electric elevators. c.40,000 volts Quiz Question 2: Which is acceptable when using powdered tools? 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. b.Ground Fault Critical Interrupter 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. As he removed the forms, he wrapped them with a length of cable called a choker, which was to be attached to a crane. A 20-year-old bricklayer standing on the work platform in contact with the main scaffold was electrocuted. SCENARIO: You encounter a co-worker on a residential remodeling job. Study with Quizlet and memorize flashcards containing terms like OSHA's electrical standards are based on: A. ANSI standards B. Use only extension cords that are marked with a designation code for hard or extra-hard usage. The factors that determine the severity of an electrical injury include: d.Ground Fault Circuit Interrupter, : Another electrical hazard that can cause injury or death in the workplace is a ________ path to ground. An employee was texturing a wall using an air compressor. 0000414648 00000 n Used across walkways. 3. 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). (E) a, b, and c. 2. Short Confined spaces Machinery-related hazards (lockout/tagout, boiler safety, forklifts, etc.) Quiz Question 5: A/an ___________ is a unit of measurement for electrical resistance. c.911 2 0 obj Yes, because he will be using electricity near water. a.Two-prong plug 0000427811 00000 n c.falls. OSHA Safety and Health Topics Page. 1.Is faulty b. Deductive objects Apparently, his hand contracted and he was "locked" to the saw. View Answer Answer: 600v 4 . b.The tool's power cord. 3. Ground metal parts of the following non-electrical equipment, as specified by the OSHA standard [, Frames and tracks of electrically operated. 1. A. indoors. 1,[-c|"&u[Fu>wjte8j:xRk )"m_!6awT J,byp?fRBf?p|b3/Um\7"|+@5vvWAa5J^y*q,l b)Ftt4 :4,-J`! -Glass. 0000005042 00000 n trailer <<11AC4BACEBCA4B32A885F1120BD3A307>]>> startxref 0 %%EOF 153 0 obj <>stream PDF SAFETY HAZARDS: These are the most PHYSICAL HAZARDS: CHEMICAL HAZARDS OSHA 10-Hour Safety Course - Electrical Safety Page 5 of 5 Use the three-stage safety model to stay safe: recognize, evaluate, and control hazards. 4. 0000007116 00000 n 3. Dirk, a 28-year-old mechanic, is performing maintenance on a piece of equipment when he is shocked. Freeze (D) None of the above. Select the correct answer and then click DONE. Metal partitions, grill work, and similar metal enclosures around equipment of over 1kV between conductors. 0000420887 00000 n What do tripped circuit breakers and blown fuses indicate? 0000002385 00000 n 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. The source of the shocks -- the saw -- was not replaced. 0000005716 00000 n BE SAFE! d.50,000 volts. 0000004965 00000 n In addition to contact with power lines, the top electrical hazards include: Best Practices with Power Lines Quiz OSHA 30 - Best The workers administered CPR to the victim, but to no avail. 4.Dirt build-up, Use only approved and authorized power tools in areas where the following hazards may be present: 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. Select the correct answer and then click DONE. Which of the following are insulators of electricity? I;C`_;LV'd,|#H--e`( ')'RpAgA7O`?%68SB Select the choices that accurately define the common electrical term. Fatal electrocution is the main risk, but burns and falls from elevations are also hazards. 0000011060 00000 n Extension cords had poor splices, no grounds, and reversed polarity. c.Three-prong plug . The floor is covered in water and she is barefoot. Additionally, the ground prong was missing and there was no GFCI protection. C 277v. 0000002195 00000 n 3.Loss of eyesight 2.Using an aluminum ladder when the possibility exists for contact with electricity. Select the correct answer and then click DONE. 0000068035 00000 n Working with electricity can be dangerous. Call ________ prior to digging to be connected with your local One Call Center to have all underground lines located by the utility company. 1.Pain It is important to note that NFPA 70E is a . Question 4: Which of the following is a type of burn caused by electrical hazards? [Flexible Cords and Power Tools]. 1.Is firmly connected When he grasped the handle of the bucket to pull it down, the crane cable came into contact with the overhead line. Damaged Extension Cord Leaves Arc Welder Ungrounded: A 29-year-old welder attempted to connect a portable arc welder to an electrical outlet using an extension cord. 3. One handle has a deadman's switch. Which of these can be used as insulating live-line tools for electrical protection. Using cords or tools with worn insulation or exposed wires. d) All of the above. -Voltage= a measure of electrical force. Question 3: Employers are not required to enforce lock out/tag out practices in the workplaces. b.10 feet B. q>NmnLNmb$"Iyx1bD9.~Ll. Visually inspect all electrical equipment before use. PDF C. 2.Yes, because he is using a portable power tool. 4.The amount of current, An electrical burn may affect: 0000007427 00000 n The victim was totally deaf in one ear and suffered diminished hearing in the other. 0000003900 00000 n To avoid injury or death, you must understand and recognize hazards. hazard or that their employer is not following OSHA's rules. 0000001116 00000 n PDF Electrical Safety - Occupational Safety and Health Administration 1. Bob is asked to repair some overhead wiring, requiring the use a ladder. -Damage to internal organs. 0000008392 00000 n Check your employee's electrical safety knowledge through an electrical safety quiz. Question 4: When a worker receives an electric shock, first aid must start within ___________ minutes. Computers A doubly ionized lithium atom (Li2+,Z=3)\left(\mathrm{Li}^{2+}, \mathrm{Z}=3\right)(Li2+,Z=3) is in n=4n=4n=4 Bohr orbit. B. outdoors. c.Touching the motor a) Ensure overhead power line safety 4.Cardiac arrest A Safety Electrical One Line Diagram should be used to _____ all sources of electrical energy. 0000000016 00000 n D. Have an ANSI sticker and an expiration date. Lockout/tagout procedures. !DP#vr-\DM<6V-2'I5l6)Z@^m=}c3-aUOo6rr V-Y3d6HABmjD $TQCvK*eg&|Y596#H\ 2. %PDF-1.4 % 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. Using a dry wood ladder when the possibility exists for contact with electricity. A 56-year-old construction laborer was removing forms from a concrete wall poured several days earlier. 0000003771 00000 n 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. Two of the extension cords had no ground prongs, and some of them were repaired with electrical tape. 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. He may have dropped the extension cord at the site and not heard the connector break. You should? b. b.Yes, as it would be too expensive to install more permanent wiring and receptacles. Best Practices with Power Lines 1. Electricity for power tools was supplied from an exterior 120-volt, grounded AC receptacle located at the back of the residence. Then answer the questions below. View Best Practices with Power Lines Quiz OSHA 30.docx from OSHA 30 at Columbia Southern University. d.Water, Other electrical hazards in the workplace include: 0000421920 00000 n 0000002876 00000 n ZR)!=w|; @uT C0? trailer d. 20 feet. 0000003603 00000 n When inspecting extension cords, look for: a. Using modified cords or tools, e.g., removing ground prongs, face plates, insulation, etc. @*@;z}IAH@3MsgU1Dnf@agLahpCn@&b|-^;b0k*!3VYy,jy%( Z%|\Jg"dRp-Wbz3QJS%k9p_WtZ Reportedly, he was shocked throughout the morning, and he had replaced one of the extension cords in an effort to eliminate the shocks. b.burns. 0000022637 00000 n 2.Loss of muscle control 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. [29 CFR 1926.416(a)(1)]. 3.No, because he will not be touching any grounded material when using the tool. 0000005520 00000 n 0000004444 00000 n specifically addresses electrical protective devices. endobj c) Establish and enact an assured equipment grounding conductor program (AEGCP) 1.Using a fiberglass ladder when the possibility exists for contact with electricity. 0000421627 00000 n You discover the electrical cord on a drill has been damaged and some of the cord's insulation is missing. Regarding hand protection employers should: A. endobj OSHA: Air Monitoring & Medical Surveillance, 5 ANO - RETOMANDO ARTIGO, SUBSTANTIVO E ADJE. 0000003413 00000 n a.Standing in water 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. hb``b``=p0X8n0lY0L#rK[V26h* @0H!XDl+!&FfUfo`h6l 0000057373 00000 n -Severe skin burns. ( % Underground electrical hazards are: A. 4.Good condition of moveable parts, Items that could encourage overheating and cause tools to malfunction or start a fire include: -Grounding= a conductive connection to the earth which acts as a protective measure. A 29-year-old worker was electrocuted when he pushed a crane cable into a 7,200-volt power line. Out of several possible scenarios, the most likely was contact between the exposed wires of an extension cord and a screw that protruded from the receptacle, which had its face plate removed. 4. a.Extension cords c.The outlet. PDF Electrical Hazards - Occupational Safety and Health Administration b.Match the thickness of the extension cord to the thickness of the nail gun's power cord. 0 Overview. Remove cords from receptacles by pulling on the plugs, not the cords. Which of the following are insulators of electricity? While attempting to unplug the compressor from the extension cord, the employee was fatally shocked. This is action is also known as creating or completing an electrical circuit. 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 a.311 This may damage your equipment and cause employee injuries. 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. Select the choices that accurately define the common electrical term.