250 grounding and bonding - 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...

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...

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...

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. Select one: a. 120 b. 240 c. ...

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...

T/f Specific methods of bonding of metal raceways installed in a hazardous (classified) location are required even if there is an EGC or equipment bonding jumper installed inside the raceway. True The NEC has special requirements for grounding and bonding in hazardous (classified) locations. These requirements can be found in ? . Select one: a.Section 501.30 for Class I locations b.Section 502.30 for Class II locations c.Section 503.30 for Class III locations d.All of the above d.All of ...

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...

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...

NEC Article ______ defines breakers and fuses. 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. Annex C of NEC covers conduit and tubing fill for conductors and fixture wire fill. Brainpower Read More NEMA stands for National Electrical Manufacturers Association True - NEMA is the acronym for National Electrical Manufacturers Association. ...

Electrician's Licensing Exam Questions with Correct Answers What kind of information does NEC Section 250-66 cover? - Answer-Covers the sizes of alternating current grounding electrode conductors. NEC Section 250-102 is devoted to equipment _____. - Answer-Equipment Bonding Jumpers Give guidelines for using sheet metal screws as bonding agents. - Answer-Electricians can use sheet metal screws for bonding when those screws are green and have hexagonal heads (NEC 250.8), but it is genera...