Download NFPA 70E Electrical Hazard Safety Questions and Answers 2024 and more Exams Advanced Education in PDF only on Docsity! NFPA 70E Electrical Hazard Safety Questions and Answers 2024 The 3 hazards of electricity are? - CORRECT ANSWERS-Shock, Arc Flash, Ark Blast When an individual disconnect device in an energized MMC has been locket out, that MCC is... - CORRECT ANSWERS-Still a potential Arc Flash risk When working within the restricted approach boundary which is REQUIRED in order to perform non-electrical work near energized equipment? - CORRECT ANSWERS- The Crushed Gravel in an electrical substation is intended to... - CORRECT ANSWERS-Increase the resistance of worker to ground An example of elimination as a risk control method is... - CORRECT ANSWERS- Scheduling off-shift maintenance The purpose of the NFPA 70 E is... - CORRECT ANSWERS-Practical safe working requirements relative to the hazards from the use of electricity For the purpose of on the job learning and when escorted by a qualified person, an unqualified person may cross the... - CORRECT ANSWERS-limited approach boundary An example of administrative control is... - CORRECT ANSWERS-worker rotation One example of specific employee responsibility is... - CORRECT ANSWERS- Inspection of PPE before use You open a circuit breaker and expect a specific motor to shut down, but it continues to run, the best course of action is... - CORRECT ANSWERS-Stop and obtain further direction before proceeding The amount of heat energy required to raise the temperature of 1 gram of water by 1 degree Celsius is a... - CORRECT ANSWERS-Calorie Ruled-base, Knowledge-based, Skill-based are ______ ______ modes. - CORRECT ANSWERS-Human Performance The 3 basic cause of electrical incidents include unsafe conditions, unsafe equipment and ... - CORRECT ANSWERS-unsafe acts The highest voltage class for gloves is what color/number? - CORRECT ANSWERS- Class 4 Color Orange The ATPV of a material is how long it withstand thermal energy before there is a 50% probability that it will... - CORRECT ANSWERS-Create a hole in the material The color code for a class 1 glove is... - CORRECT ANSWERS-White A shock risk assessment should identify... - CORRECT ANSWERS-The presence of concealed, covered, or guarded energized parts that would be exposed when a boundary or barrier is bypassed. The purpose of an arc flash risk assessment is to... - CORRECT ANSWERS-Anticipate incident energy and set the arc flash boundary Temporary ground jumpers are connected first... - CORRECT ANSWERS-to ground then to line In an arc flash risk assessment, the presumed working distance for low voltage MCC's and panel is... - CORRECT ANSWERS-18" What is the minimum CAT rating to test a 120v receptacle? - CORRECT ANSWERS- CAT 2 Justification for work on live electrical include... - CORRECT ANSWERS-equipment design creates a greater hazard According to NFPA 70 E 110.6(c), emergency response training includes... - CORRECT ANSWERS-Selection of PPE and insulated tools The energized electrical work permit process is used to... - CORRECT ANSWERS-Plan and authorize the work Regarding safe work practices, Which is TRUE? - CORRECT ANSWERS-Perform only the planned work Regarding working energized (Live), a worker has a right to... - CORRECT ANSWERS- Refuse to do the job if they feel its unsafe or unqualified The minimum category of meter for a distribution panel is... - CORRECT ANSWERS- CAT 4 Energized conductors or circuit parts must be put into an electrically safe work condition before an employee... - CORRECT ANSWERS-Works within the limited approach boundary
