Nfpa 70E Final

True or False: A mandatory rule can have exceptions. - correct answer False True or False: Permissive rules are allowed but not required to be performed - correct answer true What does NEC stand for? - correct answer National Electrical Code What do chapters 1-4 of the NEC cover - correct answer General electric installations What do chapters 5-7 of the NEC cover - correct answer Special equipment and loctations What does chapter 8 of the NEC cover - correct answer Communication systems What does chapter 9 of the NEC cover - correct answer tables What is an arc flash - correct answer Release of radiant energy in the form of heat and light What is the cause of an arc flash - correct answer Major short circuit or a ground fault what is an arc blast - correct answer an explosive event that comes with an arc flash What is the best way to avoid electrical hazards - correct answer create an environment that has all electric power removed What is an arc flash suit - correct answer suit designed to protect workers body from flashes what does FR stand for - correct answer fire resistant what is an arc hazard - correct answer anything in which arc conditions exist arc rating - correct answer measures the performance of the suit after being exposed to arc flash de-energized - correct answer all electrical energy has been removed incident energy - correct answer Energy lost in an arc flash how do we calculate incident energy - correct answer Cal/cm^2 shock hazard - correct answer Anything that can cause injury or death due to shock Disconnect Switch - correct answer A switch designed to disconnect electrical power from a circuit or electrical equipment How is a fuse like a circuit breaker - correct answer Used to protect from overcurrent Bonding Conductor or Jumper - correct answer Insulated conductor used to electrically connect two metal parts together Ground fault - correct answer contact between ungrounded conductor and the grounding path where should you put gfci's - correct answer wet locations such as a kitchen or bathroom Grounding Electrode Conductor - correct answer The conductor used to connect the grounding electrode to the service panel Branch Circuit - correct answer The circuit conductors between the final over-current device