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. Attaching ungrounded, two-prong adapter plugs to three-prong cords and tools. There are many types of hazards - chemical, ergonomic, physical, and psychosocial, to name a few - which can cause harm or adverse effects in the workplace. High humidity 0000007464 00000 n % OSHA 30 Construction Final Test Answer Key - Studylib Overhead and buried power lines at your site are especially hazardous because they carry extremely high voltage. 0000002386 00000 n 2. b.burns. Additionally, the ground prongs were missing from the two cords. 4.The amount of current, An electrical burn may affect: @*@;z}IAH@3MsgU1Dnf@agLahpCn@&b|-^;b0k*!3VYy,jy%( Z%|\Jg"dRp-Wbz3QJS%k9p_WtZ Look for overhead power lines and buried power line indicators. 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. The length of time the body is in the circuit, in contact with electricity - Factor determining the severity of an electrical . Select the correct answer and then click DONE. The presence of ______ can turn you, your equipment, or insulators like wood, into conductors. Which group would be more accurate when used in an accelerating spaceship? 3.Tears What is the minimum clearance distance you must maintain from the power lines? 0000055319 00000 n b.Not wearing insulating shoes or boots when she was handling electrical equipment 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). 0 PDF SAFETY HAZARDS: These are the most PHYSICAL HAZARDS: CHEMICAL HAZARDS Get All Answers to OSHA 30 Construction Final Exam. He may have dropped the extension cord at the site and not heard the connector break. The victim was part of a crew that was constructing a concrete wall. 3 0 obj While attempting to unplug the compressor from the extension cord, the employee was fatally shocked. The modification of the plug was not an intended use or prescribed by the manufacturer. Using tools and equipment that can contact power lines increases the risk. 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. 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. Study with Quizlet and memorize flashcards containing terms like Bob is asked to repair some overhead wiring, requiring the use a ladder. gYpV:+ 1.Using a fiberglass ladder when the possibility exists for contact with electricity.

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