What is an arc flash Study guides, Class notes & Summaries

True or False: A mandatory rule can have exceptions. - Answer-False True or False: Permissive rules are allowed but not required to be performed - Answer-true What does NEC stand for? - Answer-National Electrical Code What do chapters 1-4 of the NEC cover - Answer-General electric installations What do chapters 5-7 of the NEC cover - Answer-Special equipment and loctations What does chapter 8 of the NEC cover - Answer-Communication systems What does chapter 9 of the NEC cover -...

IAAI CFI Exam Questions With Verified Answers Latest Update 2024/2025 | Graded A+. A liquid with a flash point ABOVE 100F - correct answers Combustible Liquid If the current flowing out from an electrical panel is 12.5 amps, and it then flows through an electrical load of 1500 watts, what is the amperage of the remaining current flow of the return circuit? - correct answers 12.5 If a hair dryer draws 8.3amps (in a home with 120-volt service), what is the wattage? *Power (P) = current (I) ...

IAAI CFI & NFPA 921 Final Exam Questions and Answers Latest Updated 2024/2025 | Graded A+. "Rule of Nines" Medical concept, where major body areas are represented by increments of 9% *For example the head equals 9% 109F In hyperthermia, what core body temperature is generally fatal within minutes unless treated? 4.0 to 10 w.c. The typical water column range for gas service lines 4th Amendment The amendment concerning search and seizure *Remember "knocking" 5th Amendment The amendmen...

IAAI CFI & NFPA 921 Exam Questions With Answers Latest Updated 2024/2025 | Scored A+. "Rule of Nines" correct answers Medical concept, where major body areas are represented by increments of 9% *For example the head equals 9% 109F correct answers In hyperthermia, what core body temperature is generally fatal within minutes unless treated? 4.0 to 10 w.c. correct answers The typical water column range for gas service lines 4th Amendment correct answers The amendment concerning search and s...

The mildest type of burn which involves only the top layer of skin, is considered a _____. First degree burn A ______ degree burn involves all layers of the skin and my involve tissues. Third Wearing proper _____ will greatly reduce the possibility of burns. PPE List the three aspects of Electricity Hazards. Shock, Arc's, and Blast At current flows of _______ or greater, the danger of death or severe damage increases tremendously. 10 milliamps Voltages ab...

IAAI CFI Exam Questions With Verified Answers Latest Update 2024/2025 Rated A+. A liquid with a flash point ABOVE 100F - correct answers Combustible Liquid If the current flowing out from an electrical panel is 12.5 amps, and it then flows through an electrical load of 1500 watts, what is the amperage of the remaining current flow of the return circuit? - correct answers 12.5 If a hair dryer draws 8.3amps (in a home with 120-volt service), what is the wattage? *Power (P) = current (I) x v...

Nfpa 70e Exam Questions and Answers 100% AccurateNfpa 70e Exam Questions and Answers 100% AccurateNfpa 70e Exam Questions and Answers 100% Accurate Three main electrical hazards working on energized circuit - ANSWER-Shock, fire, arc What is an arc flash? - ANSWER-A type of electrical explosion or discharge that results from low impedance connection through air to ground or another phase. What is an arc blast? - ANSWER-The explosive burst of energy that occurs during an arc flash.

Study Guide Exam for NFPA 70E FINAL 2024 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 ...

Three main electrical hazards working on energized circuit - ANSWER Shock, fire, arc What is an arc flash? - ANSWER A type of electrical explosion or discharge that results from low impedance connection through air to ground or another phase. What is an arc blast? - ANSWER The explosive burst of energy that occurs during an arc flash. What determines the effects of shock on the body? - ANSWER Time, path, amount of current What is the onset of second-degree burn - ANSWER 1.2 cal/cm^2 ...

5/1 NFPA70E Final: NFPA 70E - ELECTRICAL SAFETY TRAINING Exam_2023. NFPA 70E, Standard for Electrical Safety in the Workplace, consists of ? chapters; 17 informative annexes; the Foreword to NFPA 70E; and Article 90, Introduction. Chapter 1 is divided into ? articles. The appointment of the NFPA 70E Committee was announced on January 7, ? , and was formed to assist ? in preparing electrical safety standards that would serve its requirements. The 1995 edition of NFPA 70E included the con...