She finds several available in the shop. The light fixture, which served as a ground, was known to be faulty for at least 5 months before the incident. Lockout/tagout procedures. 10,000 milliamps (10 amps) Cardiac arrest and severe burns occur. 1 0 obj Wearing a baseball cap Question 1: Which of these is a type of Ground Fault Circuit Adapter? 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). 3. Short Confined spaces Machinery-related hazards (lockout/tagout, boiler safety, forklifts, etc.) 1.Clench Use only equipment that is approved to meet OSHA standards. 1. The modification of the plug was not an intended use or prescribed by the manufacturer. 0000011060 00000 n 4.Good condition of moveable parts, Items that could encourage overheating and cause tools to malfunction or start a fire include: 0000010155 00000 n As she is adding in the chemicals, her hand touches the motor and it becomes energized. 1. 0000001861 00000 n Electrical current travels through insulated ________. a.Your thumb. When it completes a circuit through the body. 0000004965 00000 n 0000004444 00000 n He plans to use it over a period of at least six months. 2. b.Match the thickness of the extension cord to the thickness of the nail gun's power cord. Of the following choices, which are frequent electrical hazards ZR)!=w|; @uT C0? Quiz: Electrical Hazards. Which of the following are caused by contact with electricity? 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. 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. 1.Cuts 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). 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. [Flexible Cords and Power Tools]. !DP#vr-\DM<6V-2'I5l6)Z@^m=}c3-aUOo6rr V-Y3d6HABmjD $TQCvK*eg&|Y596#H\ 0000108920 00000 n HWMo#7v#h>6,Z4- You need to evaluate the situation you are in and assess your . After the wall was poured, one driver cleaned the loading chute of his cement truck with a water hose mounted on the truck. d. Power outlets, ________ are anything that can transmit electrical current. 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 Bob is asked to repair some overhead wiring, requiring the use a ladder. Among all of the safety measures that can and should be used to prevent electrical shock, which one is the most essential? A 29-year-old worker was electrocuted when he pushed a crane cable into a 7,200-volt power line. Fire 1452 0 obj <> endobj Used across walkways. 0000004793 00000 n xYmo -ER/&@[D,_! When used on the moon? The pole had not been inspected by the city and was not in compliance with code requirements (it was not grounded). 0000021516 00000 n He may have dropped the extension cord at the site and not heard the connector break. While attempting to unplug the compressor from the extension cord, the employee was fatally shocked. d.Metal, Over half of all deaths caused by electricity result from contact with ________. One hand drill was not grounded, and the other had no safety plate. 0000002479 00000 n 0000005632 00000 n Question 4: When a worker receives an electric shock, first aid must start within ___________ minutes. OSHA 10 - Exit Routes, Emergency Action Plans, The Analysis and Design of Linear Circuits, Albert J. Rosa, Gregory J. Toussaint, Roland E. Thomas. This standard also includes safe work practices for employees performing other work activities that can expose them to electrical hazards as well as safe work practices for the following: (1) Installation of conductors and equipment that connect to the supply of electricity (2) Installations used by the electric utility, such as office . Most of the hydrides of Group 1A and Group 2A metals are ionic. Reportedly, he was shocked throughout the morning, and he had replaced one of the extension cords in an effort to eliminate the shocks. Ground metal parts of the following non-electrical equipment, as specified by the OSHA standard [, Frames and tracks of electrically operated. endobj Select the correct answer and then click on DONE. Does the fall qualify as an electrical accident? The scaffold had been constructed only 21 horizontal inches across from a 7,620-volt power line. Which of the following are conductor of electricity? Short In Power Saw/Ungrounded Temporary Power Supply: On July 10, 1986, a 22-year-old carpenter was working at the construction site of large apartment complex, using a portable electric saw to construct the wooden framework of a laundry building. b.burns. c. No, because the electricity is needed on a long-term basis. OSHA requires the testing of a volt meter after a voltage test on voltage above_____. 0000010603 00000 n Use only extension cords that are marked with a designation code for hard or extra-hard usage. OSHA: Air Monitoring & Medical Surveillance, WebQuest: Biomes, Ecosystems and Habitats. a.Two-prong plug Safe operation of hand and portable powered tools and other hand-held equipment. Water Explosion 1) The _____ created the Occupational Safety and Health Administration (OSHA) to set and enforce protective workplace safety and health standards. Exercise their rights under the law without retaliation, including reporting an injury or raising health and safety concerns with their employer or OSHA. q>NmnLNmb$"Iyx1bD9.~Ll. Select the correct answer and then click DONE. Using tools and equipment that can contact power lines increases the risk. Select the correct answer and then click DONE. De-energize and ground lines when working near them. |tYny@YE>LkNj4-czZf"Usw>j\sv3fn},>},KeA s 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. 0000006893 00000 n List the four main types of electrical injuries, Using the illustration, select the answer that matches the picture, Identify the illustration by selecting the appropriate answer. 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. b.Shut off power within five minutes of the imbalance Get resources on specific hazards and their control, including identification, risk assessment and inspections, to keep your workplace healthy and safe. No Ground-Fault Circuit Interrupters (GFCIs): A journeyman HVAC worker was installing metal duct work using a double-insulated drill connected to a drop light cord. What is the primary purpose of properly grounding equipment? Using circuit breakers or fuses with the wrong rating for over-current protection, e.g. a.Yes, as it is a mobile engine testing station. Electricity will form a "path" or "loop". D. Have an ANSI sticker and an expiration date. startxref c.Touching the motor 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. Quiz Question 3: Power cords can be damaged by which of the following? Easy to identify 1.Fingernails 1. 3.Needs to be reset -If current passes through the body near the heart or brain. BE SAFE! (B) Switch sticks. Latoya is using a mixing motor to mix pool chemicals in a plastic drum. Many workers are unaware of the potential electrical hazards present in their work environment, which makes them more vulnerable to the danger of electrocution. =EAn`u!d, |\~Y>ZF( dnLN\2vP6 >sSjgh2:Lmqx#a[G2{h$zW]_:@Lvr)2T:R-/ `&~O4j)>1P*M 5>F:1B.g!AR 0000002195 00000 n Additionally, the ground prongs were missing from the two cords. 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. 0000001116 00000 n d.Ground Fault Circuit Interrupter, : Another electrical hazard that can cause injury or death in the workplace is a ________ path to ground. 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 Other protective measures include guarding or insulating the lines. 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 Electrical Hazards Electrical hazards can be found in nearly every roofing work site. View Answer Answer: 600v 4 . These short objective type questions with answers are very important for competitive exams as well as Board exams. 0000004921 00000 n Continually audit cords on-site. c.Guaranteed Fault Circuit Interrupter c) Establish and enact an assured equipment grounding conductor program (AEGCP) 1.Pain 0000000816 00000 n Be sure equipment that has been shop fabricated or altered is in compliance. b. 1.Is firmly connected When selecting the right extension cord, a good rule of thumb is to match the thickness of the extension cord to the thickness of: Overview. 0000002150 00000 n d.Alert workers of any water in the area, GFCI is an acronym for: Apply a warning tag to any defective tool and do not use it until the problem has been corrected. 2. 2. Besides personal bodily injury, what other electrical hazards can be found in the workplace? The victim signaled the operator of the crane to extend the boom and lower the hoist cable. A) Identify; Castigate; C) Evaluate; D) Modify; 3. 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+ [29 CFR 1926.416(a)(1)]. 0000110659 00000 n 0000001604 00000 n Should Ajay use a GFCI? 3.The length of time the body is in contact with electricity specifically addresses electrical protective devices. b.Not wearing insulating shoes or boots when she was handling electrical equipment Attaching ungrounded, two-prong adapter plugs to three-prong cords and tools. -Wood. Draw a line from the item on the left that corresponds to the match on the right. b.Rod D 600v. V1?`T`P``ya W3 |"H36K1A@, rO(V[|NAT30 qI? endstream endobj 221 0 obj <>/Filter/FlateDecode/Index[30 152]/Length 27/Size 182/Type/XRef/W[1 1 1]>>stream Working with electricity can be dangerous. b) By supplying GFCIs, or ground-fault circuit interrupters When he grasped the handle of the bucket to pull it down, the crane cable came into contact with the overhead line. a.Extension cords 0000001646 00000 n B. Flexible Cord Not 3-Wire, Hard Service Variety: A worker received a fatal shock when he was cutting drywall with a metal casing router. -Severe skin burns. 1.Flammable liquids Use tools and equipment according to the instructions included in their listing, labeling or certification. Adapter For 3-Prong Cord Not Grounded To Outlet: On May 27, 1986, two workers were using a 110-volt auger to install tie-down rods for a manufactured home. You can classify scales for weighing objects as those that use springs and those that use standard masses to balance unknown masses. 0000007464 00000 n How might this event affect the ability of animals to obtain energy to live? d.Water, Other electrical hazards in the workplace include: This may damage your equipment and cause employee injuries. vpfuI)],s Which of the following factors determine how severe an electrical injury might be? As the victim climbed down a makeshift ladder, he shifted the saw from his right hand to his left, and was shocked. 12 months C. 6 months D. Never Q23. b.Yes, as it would be too expensive to install more permanent wiring and receptacles. Potential hazards of electricity are preventable if you do which of the following listed below? Others, such as office workers and sales people, work with electricity indirectly and may also be exposed to electrical hazards. A 56-year-old construction laborer was removing forms from a concrete wall poured several days earlier. 1. Which of the following part of you body can burn if you come in contact with electricity? 2.Loose bolts 3.Maintaining a safe distance of at least 10 feet from all overhead power lines. 4 0 obj Select the correct answer and then click DONE. 2.Complete Electrical Contractors Industry. To verify an electrically safe work condition, all these conditions should be confirmed EXCEPT: Effective training of employees includes all of the following EXCEPT: How to operate power tools in wet conditions. If a defective power tool gives you an electric shock, how might your muscles react? (E) a, b, and c. 2. Select the correct answer and then click DONE.