Nec article 250 - Study guides, Class notes & Summaries

What is the result if the neutral wire becomes open on a multiwire circuit having unequal loads? Select one: a. The load of higher resistance would overheat and probably be damaged. b. The load of lesser resistance would overheat and probably be damaged. c. No effect until one load is turned off or opens. d. No effect. The load of higher resistance would overheat and probably be damaged. Refer to Figure 128.202. ___ volts are applied across the water heater element. S...

Which Article of the NEC covers grounding? : article 250 Which of the following is a 90 degree, explosion proof fitting? : GUAL What is a dropout plate? : Metal plate with a curved surface for cable to follow as it passes from the tray All of the following are common service voltages in the United States EXCEPT: : 372/575 3-PHASE, 4-WIRE What does a GFCI breaker do? : Opens a circuit to prevent operation of an electrical device What will happen when one or more coils in a winding are g...

NFPA 70 NEC 2020 Exam Questions with Answers Article 90 - Answer-Intro Article 100 - Answer-Definitions Article 110.26 - Answer-Working Space Article 210 - Answer-Branch Circuits Article 210.8 - Answer-GFCI Protection Article 210.12 - Answer-AFCI Protection Table 210.24 - Answer-Branch Circuit Summary Article 210.52 - Answer-Dwelling Receptacle Outlets Article 215 - Answer-Feeders Article 220 - Answer-Branch, Feeder, Service Calculations Table 220.55 - Answer-Rang...

Which article of the NEC covers grounding? CORRECT ANSWER Article 250 What is a dropout plate? CORRECT ANSWER Metal plate with a curve surface for cable to follow as it passes from the tray All of the following are common service voltages in the United States Except: CORRECT ANSWER 372/575 3-Phase, 4-wire What does a GFCI breaker do? CORRECT ANSWER Opens a circuit to prevent operation of an electrical device What will happen when one or more coils in a winding are grounded? CORRECT A...

IEC Year 1 Final Exam Tested Questions & Revised Correct Answers 1) To minimize conductor insulation damage and arcing damage to electrical equipment during a ground fault or a short circuit, ___ should be minimized. Select one: a. time duration of the fault b. ampere level of the fault current c. both a and b d. neither a nor b - ANSWER time duration of the fault 2) Article ___ in the NEC® covers grounding and bonding of electrical systems. Select one: a.422...

Electrician's Licensing Exam Questions and Answers NEC Article ______ defines breakers and fuses. -Answer-According to NEC Article 100, a device that opens and closes a circuit by nonautomatic means automatically closes for a predetermined overcurrent. Annex _____ of NEC covers conduit fill. -Answer-Annex C of NEC covers conduit and tubing fill for conductors and fixture wire fill. NEMA stands for National Electrical Manufacturers Association -Answer-True - NEMA is the acronym for Nation...

Electrician's Licensing Exam Questions And Answers Latest Top Score. NEC Article ______ defines breakers and fuses. - correct answer. According to NEC Article 100, a device that opens and closes a circuit by nonautomatic means automatically closes for a predetermined overcurrent. Annex _____ of NEC covers conduit fill. - correct answer. Annex C of NEC covers conduit and tubing fill for conductors and fixture wire fill. NEMA stands for National Electrical Manufactu...

NEC Article ______ defines breakers and fuses. - ANSWERS-According to NEC Article 100, a device that opens and closes a circuit by nonautomatic means automatically closes for a predetermined overcurrent. Annex _____ of NEC covers conduit fill. - ANSWERS-Annex C of NEC covers conduit and tubing fill for conductors and fixture wire fill. NEMA stands for National Electrical Manufacturers Association - ANSWERS-True - NEMA is the acronym for National Electrical Manufacturers Association. Wha...

Electrician NCCER Exam Questions And Answers All Verified A+ Graded Which article of the NEC covers grounding? - ANS Article 250 What is a dropout plate? - ANS Metal plate with a curved surface for cable to follow as it passes from the tray All of the following are common service voltages in the United States Except: - ANS 372/575 3-Phase, 4-wire What does a GFCI breaker do? - ANS Opens a circuit to prevent operation of an electrical device What will happen when one or mo...

NEC Article ______ defines breakers and fuses. - Answer According to NEC Article 100, a device that opens and closes a circuit by nonautomatic means automatically closes for a predetermined overcurrent. Annex _____ of NEC covers conduit fill. - Answer Annex C of NEC covers conduit and tubing fill for conductors and fixture wire fill. NEMA stands for National Electrical Manufacturers Association - Answer True - NEMA is the acronym for National Electrical Manufacturers Association. What d...