NFPA 70E 2024-2025 Establishing an Electrically Safe Work Condition Exam with correct answ, Exams of Nursing

Download NFPA 70E 2024-2025 Establishing an Electrically Safe Work Condition Exam with correct answ and more Exams Nursing in PDF only on Docsity! NFPA 70E 2024-2025 Establishing an Electrically Safe Work Condition Exam with correct answers Electrically Safe Work Condition - correct answer -When the conductors or circuit parts: -Have been disconnected, locked out or tagged out, verified to have been disconnected, temporarily grounded An electrically safe work condition needed: -If an employee is going to be within the limited approach boundary -If an employee is interacting with the equipment in a manner that poses an increased likelihood of injury from an arc flash hazard Hazard elimination is the most effective way to safeguard employees from exposure to electrical hazards. Process for Establishing an Electrically Safe Work Condition - correct answer -1. Identify all sources of power 2. Interrupt load and open disconnects 3.Visually verify that contacts are open, if possible 4. Release or block stored energy 5. Apply lockout/tagout devices and procedures 6. Test for absence of voltage Release or Block Stored Energy - correct answer -Electrical energy may be stored in capacitors or other electrical components. Mechanical Energy that could re-energize the system must be released. Springs must be released or physical restraint must be applied when necessary to immobilize mechanical equipment. NFPA 70E 2024-2025 Establishing an Electrically Safe Work Condition Simple and Complex LOTO - correct answer -Simple LOTO involve one or more qualified persons de- energizing only one set of conductors or circuit part source Complex LOTO is permitted where multiple energy sources, crews, crafts, locations, or employers are involved in a process. Lockout Equipment - correct answer -Locking Means: -Applying the lock must remain in place with or without the lock installed Portable Locking Means -Locks to be used for equipment that don't require to have permanent provisions for a locking device Lockout Device with Tag - Tags are used to identify the person who placed the lock. -Tags must contain a statement prohibiting unauthorized operation of the disconnecting means or removal of the tag Test for Absence of Voltage - correct answer -Test Instruments must be: -Rated for selected use -Designed for the environment -Used in accordance with any instructions provided by the manufacturer -Inspected before each use and repaired when necessary Warnings and Listings: -All manufacturer's instructions must be followed, including any warnings marked on the test instrument. Voltage and Category Ratings: -Voltage ratings are for the nominal voltage to which the tester will be applied NFPA 70E 2024-2025 Establishing an Electrically Safe Work Condition